Thermodynamics has a black
body and all the engineering
students must be well
aware of that already.
Based on the understanding of the
black body, there are hundreds
of concepts that are studied
in the thermal engineering
and so many problems are solved in the
industries since so many years now.
Black hole is just one and the same
like the black body of thermodynamics.
Nearest black hole to Earth is just
1600 light years away from the planet.
Is that safer?
Certainly yes, that is
completely safest distance
to not to bother about
what is happening
in that black hole which is located almost
on the centre of the Milky Way galaxy.
Does it mean that there is no threat from
the cosmic space to the planet earth?
One can give no guarantee
on that part at any time.
It is just because of the
humongous size of the
universe earth is safer
for humans to live here.
Yet, it is not completely
safe because of the fact
that there are so many
asteroids, craters and meteors
that are continuously being flung onto
the space by the so many supernova
chemical actions that are happening
on the cosmos intermittently.
A fragment from a distant
star is alone good
enough to change the destiny
of the whole world.
Yet, there are safety features that
are specialty offered by nature,
with the unique benefits of
being part of the solar system.
The entire solar system is far
away from the black holes and the
other major threats that can suck
away our whole planet earth.
Can anyone survive a black hole?
Event horizon
The surface rings of the black
holes are the event horizon.
It is pretty important
for the humans to not to
send satellites closer
to these event horizons.
The moment it reaches the
proximity of the black
holes, they are swallowed
through these even horizons.
These are outer rings of the
black holes which otherwise
can be called as the mouth
of the black hole monster.
How long is the effect of the black holes?
Till how much distance the
astral objects can move safely
without being snatched into
the claws of the black holes?
All these questions remain
unanswered even all
until now as it is one of
the complicated subjects
to study about something
that is magnanimous
and hard to follow from
such a huge distance.
Jump into a black hole
simulation to understand
the conservation of
energy examples better.
The black hole sound effect can be
felt and wondered when anyone does so.
Over the years of the black holes
existence on the galaxy, it keeps bulging
on and on with whatever objects that
it has sucked inside voraciously.
It means the mass that it can
gain can reach a maximum
potential of about 50 billion
times the size of the sun.
After that point the black
hole gets shredded.
How are black holes formed for kids
to understand about the concept?
It is not something so easy to show exactly
on what happens to time in a black hole.
Yet, smaller level of simulations
is being made in the planetariums.
Just like anything else
in the cosmos, the
black holes do have their
own birth and death.
Nothing lasts long for infinity in
the material universe and that is
true with the case of universe and
its magnanimous black holes too.
Two black holes colliding simulation
This is a possibility and there
are intermediate black holes too.
When this happens that is supernova.
So, what do scientists
look for in space that
might indicate the
presence of a black hole?
It is the difference in the environment
that shows the potential possibilities
for a black hole to be present in
the confined space of the cosmos.
Acceleration is greater for a satellite
when it is at the brink of the black hole.
Understanding that the path
has to be deviated instantly.
Else the satellite goes mad
after some time only travelling
towards the point of the event
horizon of the black hole.
Get to know the event horizon
definition and by then it
is easy to understand if anyone
can survive a black hole.
All the galaxies do have
black holes and these black
holes are like dust bins
that keep the galaxy clean.
Say for instance the number of stars in
your galaxy is 1000 in the year 2012.
Over a period of time, in the year 2022,
some hundreds of stars are dying.
What happens to the dying star?
The dying star moves away from its point
of location where it was stationary or
revolving for thousands of year’s moves
away to get completely deteriorated,
shredded and disappears
finally when the gases
are no more contained
together as one star.
Learners often ask the question
on how the speed of earth’s
orbit around the sun would
change if the earth's mass.
If there is a change in the mass
in earth then certainly that
is going to affect the gravity
between the sun and the planet.
That means the path can get
shifted from its path right now.
The path will go off farther from
the sun, to a certain extent
rather than being pulled
inside to go close to the sun.
Mass on earth is contributed
by its central core
which is nothing but pure
lava or magma inside.
That is the reason for the
gravity to exist all until now.
When the mass decreases, then the
gravity is supposed to decrease
and in turn the distance between
the sun and the earth goes wider.
It means the orbit is not the
one and the same anymore.
The best way to understand this is to
see the black hole simulation video.
What could happen by then?
The dying black hole is supposed
to collapse before its death.
The entire objects insider or the gases
deform and flung into the cosmos.
Changes are devastating at
that time in that galaxy.
Size of the hole determines
the changes, though.
What happens to things that
go into a black hole is the
same when things are getting
thrown out of it too.
Temperature is high and the
speed is high as well.
Is there gravity in a vacuum?
When there is no air, then
there is still gravity.
Yet, the time taken for free fall
is just one and the same for all
the objects regardless of whether
it is a stone or a feather.
Mass is not affecting the speed
anymore as there is no air.
Vacuum can bring in only
that type of change
but not the change in
gravity as a whole.
If anyone are wondering about the
worst and the weirdest mysterious
objects of the cosmos, then that can
be this super massive black holes.
These are part of almost every
big galaxy in the universe but
hidden in the hearts of the
galaxies, to be hard to figure out.
These voracious black holes are heavier
than our sun by billion times.
Clouds of unfortunate gas
and the stars are sucked by
these super massive black
holes that are hungry ever.
Gravitational claws that can snatch
the stars that pass by, merrily
with powerful attraction, belongs
to super massive black holes.
Why is there no gravity on the moon?
Imagine what happens when the two black
holes collide sound hits the environment.
Get an understanding.
This is because of the simple fact
that there is super gravity collision.
There is gravity in
moon but that is micro
gravity, unlike the above
mentioned example.
This is continuously happening in every
other galaxy that anyone observe and that
is all just because of the black holes
that are sucking the objects to grow up
to a maximum of about 50 million times like
the size of the sun of our solar system.
The equation for the speed of an
object in circular orbit is totally
variant from that of what is happening
in the gravitational field.
That is how a black hole is formed
and why is it so powerful too.
The weightlessness
definition can be understood
and felt better when one
is travelling to space.
Interactive black hole simulation
is not necessary by then.
Supernova to neutron star bombardments
can be understood better when
anyone can view these happenings lively
through the Electron microscopes.
It is easy to understand exactly on
where a force should be applied on
a lever arm and to grasp the idea of
the types of black holes as well.
Researchers make the black
hole video with the idea on
what they get to see in the
telescopes like Hubble.
How are black holes born is not a question
to ask anymore after seeing these videos.
The event horizon destiny and the
microgravity vs. zero gravity are
important something to learn in
the beginning classes in schools.
The Event horizon of the black
hole pattern can be used in
creating many other inventions to
improvise our technology today.
Guess what happens when a black
hole meets a white hole?
Why not the technology be used in
different ways in the industries
to come up with something
superior than what exists today.
Understanding about how many
times larger than our sun's mass
can a black hole has can make
one create a black hole movie.
That can make others
to learn easily on the
astronauts in space can
be mass less as well.
So, what is at the center of the universe?
There is nothing stationary
in that position.
Moon gravity acceleration cannot be
understood better as it is so small.
That is the same reason here as well.
It is not possible to make predictions
in the magnanimous universe.
The Dark Matter Theory can
explain certain facts though.
Learn on how does the Schwarzschild radius
of a black hole depend on its mass?
When anyone is learning these
essentials then it is easy to
grasp and idea on how do
astronomers detect black holes?
They are not hunting for the black holes.
What they do is observations.
They allot certain areas as their
own responsibilities to observe.
The areas of allocation vary from one
researcher to that of the other.
When the allocated area is for a
particular team then the responsibility
of the team is to make sure
that at least a ten member team
is continuously watching
all the areas in that
particular space, and
each and every move is
logged for the supervisors
or the senior scientists
to regularly see and
monitor the happenings.
It means, the most experienced researchers
on top of the organization will know
precisely about any important changes
that are being logged by the juniors.
Immediately the needful
attention is taken to focus
more on that particular
area, with close eyes
for details by the entire
team and if needed with
much more people to join
the research instantly.
Describe what a black
hole looks like using
one of the different
ways of seeing the sky.
It is not easy to understand
anything at all, by seeing the sky.
Even the telescope is not
useful for the common man, to
understand or see anything
in the range of black hole.
How does anyone detect the presence
of stellar mass black holes?
It is the environmental changes that
denote the presence of the stellar holes.
The boundary of a black
hole beyond which light
cannot escape is called
the event horizon.
Dying stars are creating
the stellar black holes.
Even our own galaxy has a
black hole in the center.
The Milky Way galaxy has a
black hole in the centre
as it is predicted by the
scientists recently.
Watch out for that.
So what happens if anyone gets
pulled into a black hole?
No one can go even near
a black hole as humans.
So, there is no point
in asking about what
happens if anyone gets
caught in a black hole.
Understand what black holes are.
Understand the types of black holes.
Play the travel inside a black hole
game and then it is easy to ascertain
or understand that there is no
gravity in space true or false.
There are super massive black holes.
Resolve the super massive black hole muse.
Understanding the super massive black
hole definition is not easier though.
With only that fractional
second experience no
researcher can come to
any complete conclusion.
It is the sheer calculations
that are done based on the
observation to do extrapolations
based on the logs of the past
that can help to assume certain
things about the black
holes as well as the behavior
of many astral bodies.
There are stars that are 20 times
bigger than the sun in our own galaxy.
When the nuclear fuel inside the sun is
completely over, sun dies out quietly.
Same is the case with the stars too.
When that happens then the
stellar black holes are formed.
Strength of gravitational fields
What units are used to measure the
strength of gravitational fields?
Event horizon explained
better in the research
materials of University
of California.
When the gravity overwhelms with no
fuel resource inside then the pressure
created is sure to fling out the layers
of the stars or sun into the space.
This is what that creates
the black hole in
that area where the layers
were there earlier.
The remaining core that is
existing there with infinite
density but no volume
turns into a black hole.
Stellar black holes facts
When a star is coming closer to the black
hole, it gets hotter, and it starts to
travel at a very faster rate bleeding bad
to finally fall into the black hole.
At this juncture, the star matter
is seen brightest in the X-rays.
This is one study done by the one
segment of scientists in NASA.
Yet, there are so many thousands
of such studies are made by the so
many researchers and scientists
from various parts of the globe.
Some of the key findings give us shallow
ideas about how to proceed with the
researches and studies further to
understand these cosmic objects better.
Yes, these studies are sure to help us
to know more and more about space and
its various movements which in turn
help us to arrive at special formulae.
The special formulae found can also
facilitate us to bring in some
revolutionary changes in the technology
that anyone ought to use today.
These changes that anyone are
bringing in the technology may even
make it possible for us to travel
to farther distances into the space
and do better researches
from close destinations
to the other planetary
bodies of the cosmos.
Improvisations come in and
anyone can become super humans.
These are step by step
improvements that can
strengthen the man kind
to act upon the upcoming
challenges that are
predicted with vision by
the visionary scientists
of the present times.
They see threats and assistance
too, to come in from the aliens.
There are fiction stories
that trigger such opinions
amidst the commons but
there are also scientists
like Stephen Hawking who
mentioned about these
potential possibilities
with scientific evidences.
What are a black hole’s
only physical properties?
The event horizon movie
theory and the ligo chirp
mp3 explains the gravitational
wave sound effects.
Anyone can learn on how and who
discovered the law of conservation
of energy which is the basis to
understand the Black Holes Theory.
Black holes collide sound
With that said, if one is willing
to know what is happening
in the cosmos and especially
in case of these black holes,
then the only choices is to learn the
basics of time and space and then
observe the moments of the astral bodies,
continuously for years together.
Remember, the age of the
humans is negligible compared
to the ages of the black
holes for that matter.
White holes formed
Black holes are necessary for the galaxies
for all the reasons mentioned above.
The gravity of the black holes
is superior that the light
energy entering into the black
holes cannot escape out.
All the light that hits
the border is sucked
in by the black hole,
without any reflections.
How does a galaxy that contains a
quasar differ from an ordinary galaxy?
What is special now about
the black holes is that
they are super capable enough
to have the best of the
gravitational forces to
suck in the asteroids that
pass by, the meteors that
pass by and so forth.
What happens if a black hole can
suck the material objects that
are sent from the earth‘s surface
to do researches on the cosmos?
How about the alien?
Are they taking due measures too, to
counter the threats from the black holes?
Do they have the means
to not to allow their
satellites getting sucked
into the black holes?
What is the technology
that is being followed
to counter the gravity
of the black holes?
Interactive black hole simulation
Some of the basic gravity
questions and answers explain
one on why do astronauts
feel weightless in orbit.
It is based on the conservation
of energy equation fluids.
It is not easy to comprehend precisely
about the weightlessness on earth on space
and the Milky Way black hole without
knowing the time – space gradients well.
Moon has gravity but it is pretty
less to be felt by us as anyone
are from earth which has a higher
gravity compared to the moon.
Moon doesn’t have big gravity
because of the cold internal core.
The core is not as hot as that
of the sun or earth or even
the other planets that are
farther away from the earth.
So, who discovered black holes
and why that has super gravity?
White holes formed are the best
explanations to prove a point here.
The white hole is just contradictory fact
to the formation of the black holes.
There are so many studies that are
going on currently to find out where
anyone go if anyone fall into a black
hole or what is the gravity in space.
Yet, the success rates are not that higher.
There are not adequate tools with use to
find out what is inside a black hole.
Whatever anyone are seeing
today or reading today
in the simulations,
graphs and diagrams are
purely based on the theories
that are put forth by
either Newton or the post
Newtonian scientists.
Jupiter gravity
12 moons found in Jupiter
orbiting around the
planet are not alone but
there are so many small
asteroids that are also
revolving around the Jupiter
which can also be termed
as moons of Jupiter.
If that is the case then there
are 63 planetary bodies that are
moving around the biggest planet
of solar system, the Jupiter.
The gravity is on the
higher side here as well.
It is 7 times higher than what
earth has but it is still
farther away from earth,
just because of the mass.
Even if a researcher spends all his or her
life time in studying the moments of the
black holes, there are larger chances for
nothing to happen in all that time period.
It is just like a fractional
second passing without
much activity in the
life of the black hole.
According to Einstein’s theory of
general relativity it is not easy to
understand the black hole facts with
the present technology in hand.
What is the event horizon of a black hole
quilt and what happens when black holes
die or in which direction does the force
of earth's gravitational field always act?
It is all something that
anyone can hardly figure out.
It is essential to research
more to find on what would
happen to someone falling
into a black hole and
the theory that mass curves
space quilt as well as
the precise, gravitational
force of a black hole.
There are two layers in
the new black hole that
is formed on the spot
where the star is dead.
One is the inner core which
at least three times
equivalent to the mass
of the sun of ours.
The next one is the outer ring shapes
opening that riggers the gravity.
This is the point where the smaller
comes objects gets sucked in.
this is where the food comes in
from the massive black holes.
What mass of neutron stars
must turn into black holes?
The study about the black holes and the way
they are born and the process of sucking
cosmos objects voraciously is studies and
researches in the England universities
and the explanation is
presented in the year 2016.
Yet, further clarifications were
also offered recently just a year
before abutted real potential of these
black holes and their life time.
Law of conservation of energy definition
is the basis to understand on how is
a black hole formed step by step and
how much would one weigh on the moon.
Imagine if there is a fall into a black
hole simulation game for the children.
They can understand on how are black holes
made and what do black holes give off.
This is the key towards learning
process for the researchers too.
There are demonstrations made
to them at the higher levels,
on why are astronauts weightless
in the space station quilt.
Even there the case is the
same about the fall into a
black hole animation and the
gravity in space facts.
Yet, that is done on a massively larger
scale with technical components coming
in between to explain and illustrate on
falling into a black hole simulation.
Gravity in space for kids to
understand is not easier, though.
That is how the black holes formed.
There are questions from the children
on is there gravity on earth.
There are movies from
black hole NASA division
to explain on how black
holes are detected.
So, what is true about satellites?
How does anyone protect
them from the black holes?
How a black hole is formed
and why is it so powerful?
The fabric of space time is severely
warped by the massive black holes.
Light eventually slows down
and comes to a stop when
it touches the event
horizon of the black hole.
It means it is a dead end where time
space gradients or light is no more.
It is not possible to see a
black hole with naked eye.
It is not possible to sense
it through the instruments
that anyone has in hand
today in the earth.
Anyone may be using any type of
electromagnetic radiations just
like the X-rays or the UV rays or
whatsoever anyone wants to use,
but still anyone may not
be able to comprehend
on what is happening
inside the black hole.
It is only understood
better through the
environmental effects near
the hole; just because
of the changes that are
happening inside, anyone
learn more and more
about the black holes.
The observations made by our
ancestors, like Aristotle or Pluto
or Newton is highly useful for us
to come to lots of predictions.
That leads to identifying so many facts.
This is how the set up
is all now, with no big
advancements coming in for
even thousands of years.
If there are not any revolutionary
inventions that are coming in the
next few years, then it is hard to
understand better about the universe
and its intricate secrets
so easily for any one of
us or even for the next
few generations to come.
Gravity facts
There are not facts about gravity
falls in any pages on the web today.
It is a subject matter of research all now.
So, event horizon too and
the theory that mass
curves space is all not
getting valid answers.
If the sun buckled to
become a black hole, the
earth's gravitational magnetism
to it would be what?
By the time sun becomes a black hole,
there will be no earth at all.
The sound of black holes merging
can kill the solar system.
A singular black hole can be
detected quilt and the largest black
hole in the universe is being
observed to understand these effects.
As the universe is constantly
expanding, one cannot
figure out exactly on what is
the centre of the universe.
Earth is considered to be the
centre of universe by some
researchers and philosophers
of the plutonian times.
Yet, that is not right as per the
findings of the latest times.
There are bigger galaxies and
very big number of cosmos
objects that are infinite to get
an idea about the universe.
How can anyone determine a
center for the universe which
is expanding out of proportions
every day and night?
That is not possible to our
knowledge as of today.
Sound of two black holes colliding Colbert
There are so many studies
that are furthered today
about the law of conservation
of energy formula
chemistry so as to learn
on what is needed to
calculate the orbital
speed of a satellite.
Of course there are miniature black holes.
This is base to learn well on what
happens when one fall into a black hole.
With the black hole
simulation video it is easy
to comprehend about how
do black holes die?
Yet, studies based on
assumptions and theories of the
past, had given a few answers
to all the questions
mentioned above in a smooth
manner but it is not
sure that if these answers
are totally right.
The technology in earth today is not
so advanced that all the moments
in the cosmos can be rightly interpreted
in the exact manner how it is.
Black hole simulation online
It is the distance between
the planets and the
sun that determines the
gravity range as well.
It is the reason why the gravity on the
mars is a bit higher than the Pluto always.
How would the speed of
earth's orbit around the
sun change if earth's mass
increased by 4 times?
Guess for instance if anyone is
following the black hole from Hubble.
If the black hole can suck even
all the light that passes through
it leaving no escape for light to
be viewed by the outside worlds,
then what can one see
through the telescopes
observing the black holes
for years together?
Even if there are changes that are happening
constantly in the black holes, with
massive amount of gases contained in it
to induce several chemical reactions,
how to see on what is happening inside is
something that remains unanswered all now.
A star may form a black hole once it cannot
Dying stars are not forming
black holes always, though.
How in a black hole, the inward force of
gravity is balanced by which outward force?
This is something that needs
more research and study.
That is how anyone learns
better on what happens
when two super massive
black holes collide.
Simulations are there for the
two black holes collide 2016.
Learn on how a supernova
becomes a neutron star.
Feel on fall into a black hole flash game.
Study further the theories
to have a valid idea.
Such dying stars are moving out of
the location and they are falling
from where they were as if a lost
person wanders in the new city.
These stars or comets or
asteroids that are wandering
the space in that
particular galaxy are not
allowed to reach the
neighboring galaxies but
only absorbed by the same
galaxy’s black holes.
Falling into black hole
is witnessed often by
majority to learn the other
worldly experiences.
That is how a star becomes a neutron star.
So, what does the sky look
like by a black hole?
It is purely based on the law of
conservation of mechanical energy equation.
There are researches being conducted
on moon gravity, the event
horizon and the facts about a
singular black hole can be detected.
There are so many different types of
black holes that are found so far.
The size of some is just
of the size of an atom.
Some are huge like mountains.
The ones that are in the
center of the galaxies
are called the super
massive black holes.
These are 20 times bigger
than the mass of the sun.
There are some other stellar black holes
like what was explained above already.
Stellar black hole is not
the smallest black hole.
It is just like a Sagittarius.
The reddit black hole
simulation and the Pluto
gravity can explain
things better here.
Physics of black holes can be
quite complex for anyone to
make out things easily like
what is an ngc 1277 black hole.
What would happen to
a clock and a human
body if they were dropped
into a black hole?
It makes sense to learn the
weightlessness physics which can
illustrate on what would happen
if two galaxies collide.
How are the black holes
formed on the cosmic space?
How many years it took for them to gain
such massive strength through what?
Why it is located in the
heart of the galaxies?
Taking into consideration of all
these3 points, the first and
foremost thing what anyone needs to
understand about the black holes
is that they are formed due to nova
catalyst reactions that happen
on massive scales in the galaxies
during the death of a star.
The law of gravitation is
used to derive Kepler’s laws.
The planetary motion laws
explain the gravity on sun.
The gravity information explains on
the travel inside a black hole game.
So, which of the following planets
has the longest orbital period?
If anyone is keen to learn on according
to the law of conservation of mechanical
energy and the gravity on the earth then
there are ideal chances for that now.
For that there must be super
gravity in the black hole
to pull in those cosmic
objects that are passing by.
This super gravity of
the black holes makes
it easier for them to
swallow biggest of the
stars and the comets or asteroids too, without
leaving them to the outside galaxies.
In one way, it is a cleaning
action for the galaxy
and in other ways it is
a confinement of the
galaxies properties towards
itself without letting
the degraded objects or
gases to the next galaxy.
The event horizon is
believed to be a singularity
Watch out the videos of
black holes collide 2015.
That can show the super
capability of the cosmos.
How much gravity is in space is
best understood with that idea.
Everything about gravity can be
perceived in the right ways.
Lean on how are black holes made.
Yes, the sound of a black hole b flat.
Event horizon band is better
understood in the same manner.
Stellar mass black hole vs. super massive
black hole facts is analyzed better.
What if someone fall into a black
hole simulation game, is so
interesting experience to learn on
who discovered black holes and how.
It is a point where there
is no coming back.
As a matter of fact, there
is only menial knowledge
about the black holes,
even though several
scientists have mentioned
about the existence
of these black holes in
their presentations.
Papers from Newtonian times reveal this
fact about the black holes and the enormous
amount of gravity that is associated
with these super massive black holes.
There are different types of
black holes like stellar black
holes, super massive black
holes, white holes and so on.
Does anyone die in a black hole?
There is no doubt in that.
There is no possibility
to reach all until the
surroundings of the black
hole as human beings.
Technology today has found nothing that is
so advanced to withstand the temperature
and pressure that is good enough to
go closer to the sun or a black hole.
It is not easy to reach these
destinations as there are complex mixture
of gases that are not even identified
yet to be of what category
so that there can be preparations made
accordingly to go close to these points.
What kind of stars become black holes?
Stellar holes are formed by the dead stars.
There is not any specific type of
star or sun that creates these
stellar holes and not all the stars
will create one necessarily.
There are so many reasons
for that to happen, though.
Gravity in space station
is not uniform everywhere.
So, how are black holes detected?
The black hole simulation
online is not exactly
what is happening in
the real case, though.
The examples of weightlessness and
the event horizon wiki cannot
explain anyone everything about the
conservation of energy physics.
That is why it becomes hard for
us to rightly ascertain on what
happens if two black holes were
to collide with each other.
Yes, there comes in the next question.
Is there gravity in outer space
and how do black holes die?
When the size of the black
holes, are overwhelmingly
bigger, then eventually
they do collapse and die.
It is a dead end.
They would not come back at all.
What happens to matter in a black hole?
It gets sucked in and
shredded like what happens
in a shredder for a car
that is sent inside.
What happens inside a black hole
is something that anyone can learn
only through the continuous observations
made without any disparity.
What happens inside a
black hole is something
that is so curious for
everyone to learn about.
What happen in a black
hole are complex changes?
These changes cannot be
understood easily though.
Try playing a fall into a
black hole flash game.
It is possible to figure out by
then on what could be the actuality
when anyone gets to see on a
fall into black hole simulation.
Yet, that is not exactly it is.
There is a difference between
a mountain and a mole.
Even the milky way galaxy, is
just assumed to have one black
hole in the centre but it is not
proven all now yet, though.
It means it is not easy to
predict the exact borders
of the black hole in any
particular cosmos space
as the universe is constantly keep
on expanding in all the directions.
For us, who are not well versed
in studying the black holes
concept all until the discovery
of the X-ray telescopes,
it is not so easy to study about
the concept in detail so shortly.
Even though the presence of these
holes were assumed by the earlier
scientists, it is only after the
invention of the X-ray telescopes,
anyone were able to rightly come
to an idea about the concept.
