the image that you are watching on your
screen is the first-ever direct image of
a black hole this image is being
considered as one of the greatest
discoveries of recent times as this
image has accomplished what was
considered impossible almost 250 years
ago but not all of you know that what
motivated scientists to capture this
image was another landmark image and
that image was of cygnus x-1 the first
ever black hole discovered by humankind
this image proved that black holes do
exist and this image was taken with the
help of the Chandra x-ray telescope this
legendary telescope was named after
legendary scientist named Subrahmanyan
Chandrasekhar but why was this telescope
named after an Indian scientist let's
find out Subramanyam Chandra Shekar was
a Nobel Prize winning astrophysicist
and fellow of the Royal Society he was
born in Lahore then a part of India in
1910 in a Tamil Hindu family his father
was a deputy Auditor General of the
northwestern railways and brother of
none other than CV Raman was also a Nobel Prize winning physicist fellow of the
Royal Society and a Bharat Ratna he went
to the Hindu High School in Chennai
then Madras and later at the age of 14
went to study physics at the Presidency
College in Chennai at the tender age of
19 he graduated with a BSc honors
degree in physics he then decided to
move to United Kingdom after getting a
scholarship to study for a PhD degree at
the University of Cambridge while as
ordinary people usually enjoy a long
journey
Chandrasekhar decided to utilize his
travel time from Chennai to London in
reviewing the physics behind collapsing
stars and by the time he reached London
he developed a theoretical model
explaining the physics behind collapsing
stars in his theory when a star being
less than 1.4 times the mass of our Sun
dies he turns into a white dwarf while a
dying star having a mass greater than
1.4 times the mass of our Sun will form
a neutron star or a black hole with a
central singularity of infinite density
this limit came to be known as the
Chandrasekhar limit frustrated by the
lack of acceptance at Cambridge for his
theory he moved to the United States as
a research associate at the University
of Chicago after his fellowship ended he
remain affiliated with the Chicago
must be for the rest of his life he
received the Padma Vibhushan in 1968
which is India's second highest civilian
honor instead of the Bharat Ratna which
is India's highest civilian honor a title
which he totally deserves apart from
Chandra Shekar limit general Shekar
number which is the dimensionless number
asteroid 1958 Chandra the Chandra x-ray
telescope and the Himalayan Chandra
telescope which is situated in Hanle
in Ladakh in India are all named after
him all these groundbreaking theories of
his compelled us to include him in our
list of super Indians share this video
to spread the word and let's hope that
one day he gets awarded the Bharat Ratna
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