♪
The scariest thing to me
about Juno are the unknowns.
So much about the
environment
that we'll have to
withstand is unknown.
(Typing)
Nothing‘s really
certain about
what's going to happen.
♪
It's a monster.
It's unforgiving.
It's relentless.
It's spinnin'
around so fast.
Its gravity is like a giant
sling shot, slinging rocks,
dust, electrons,
whole comets.
Anything that gets close
to it, becomes its weapon.
(impact)
♪
It just so happens,
deep inside this body
are the secrets we're after.
Secrets about our
early solar system.
♪
It's the biggest and baddest
planet in the solar system
and the it's got the biggest
and baddest radiation
and the biggest and
baddest magnetic field.
The background radiation
that we're exposed to
on Earth is about a
third of a rad.
What we expect to
see at Jupiter
is about 20 million rad.
No spacecraft has ever
flown this close to Jupiter.
Flown this deep into
the radiation belts.
(whoosh)
So the real trick is,
we're gonna in close,
get the data
and get out.
And the first time we go in,
that's the most dangerous.
We call it Jupiter
Orbit Insertion.
(drum impact)
J...O...I. 
(drum impact and strings)
Nothing's really
certain about
what's going to happen.
