The eighth and most distant planet in the solar system
Neptune is a mysterious dark world
Because of its colossal distance from the Sun it has only ever been visited by the Voyager 2 spacecraft
Back in 1989 which captured the first close-up images of the Neptunian system
The planet's atmosphere is mostly made up of hydrogen and helium
But it's beautiful color comes from methane and other components in the upper atmosphere
absorbing red lights and reflecting it as a
Magnificent vivid blue Neptune has mostly been studied from ground-based telescopes
Which means the planet still holds many unanswered questions about its icy interior
but because of the incredible Voyager 2 spacecraft
and the data collected from Earth scientists have been able to study many aspects of Neptune's structure and
Composition giving them a greater understanding of what's inside of the multi ice giants. So let's jump into a science-fiction
Spacesuit and dive directly into this strange world to see what lurks deep below Neptune's
mysterious clouds
Because this mission is impossible for any human being let's assume that you have been equipped with
Special science fiction spacesuits suits that will take you all the way to the planets core and protect you from the devastating
environment that Neptune has to offer
such as the frigid and scorching temperatures deadly radiation lack of oxygen and it's colossal pressures as
You fall towards Neptune
you would have an incredible view of the planets immense storms raging below you you would be
descending at a similar speed to if you were falling towards Earth as
Neptune's gravity is only 40 percent stronger than our own planets
Because you are so far away from the Sun very little light reaches this distant part of the solar system
resembling a dim Twilight back on earth
You would first fall through the high white cirrus clouds made of methane ice crystals at about 0.5
Atmospheres which is half the atmospheric pressure at sea level on earth at this altitude
It is incredibly cold dropping to below minus 200 degrees Celsius
Around 30 miles down you'd enter into the ammonia and hydrogen sulfide cloud decks at about 5 atmospheres
Here the clouds move faster than the speed of sound on earth as Neptune
experiences the fastest wind in the solar system reaching speeds of up to
1,500 miles per hour but because of your super
Science-fiction spacesuit you are kept as steady and continue on your descent
Because of Neptune's thick clouds and distance from the Sun
No light can penetrate this deep and you would find yourself in a pitch-black
cold lonely
environments with violent winds whipping past your helmet
After falling for a long time you would be
100 miles into Neptune when huge flashes of lightning illuminates your dark surroundings
Revealing towering white water ice clouds that are causing rumbling thunderstorms to occur
As you pass through this cloud stage the pressure would increase to well above
50 atmospheres and the temperature would be around 26 degrees Celsius
using your high-tech
science-fiction helmet you can now see what's around you but you would quickly realize that the cloud layers were the easy part of your
adventure as
You emerge from the bottom of the water-ice clouds
The pressure would become intense and the temperature would drastically increase to above
1,000 degrees Celsius
After a very long time of sinking you would be around
4,000 miles into Neptune and within the planets mysterious
mantle
here your suit would have to withstand pressures greater than 10000 atmospheres and increasing temperatures higher than
4000 degrees Celsius this strange
Superheated layer is composed of water
Methane and ammonia ices that behave as a hot dense fluid under immense pressures
Because of these extreme pressures carbon atoms might also crystallize and form
Diamonds as you descend ever closer towards Neptune's core
These diamonds would rain down around you like glittering hailstones as they slowly sink through the liquid mantle
After a long time of sinking through this thick region with the pressures and temperatures continuing to drastically increase
Your adventure would come to an end
thousands of miles into the planet you would be standing on Neptune's core a
Surface roughly the same mass as Earth and made of rock iron and exotic ices
Possibly with a layer of nestled diamonds in this region
You would be stranded unable to travel further and unable to escape
You would be doomed to spend the rest of your life in a scorching environment with your science fiction suits having to withstand
temperatures of above
5,000 degrees Celsius and pressures of above 7 million atmospheres. I
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Thank you so much for watching and I'll see you next time
You