Name: The Oort Cloud | The Solar System's Shell by SEA
Duration: 23 min 57 s
Description: What lies at the edge of the Solar System? Far beyond the orbit of Neptune and the Kuiper Belt, deep into interstellar space, we find a vast, thick shell of icy space debris. We have never seen it directly, but we know it exists- because it is the source of the most distant comets that we see entering the Solar System. So why is it there? Today we'll find out.

Far beyond the reaches of the four rocky planets, we find our Solar System's showpiece worlds- the two gas giants, Jupiter and Saturn. As the two largest planets, both are tantalising targets for probes exploring the planetary neighbourhood. But both lie significantly farther from the sun than the Earth and its terrestrial neighbours. But in the early 1970s, the technology for deep space voyages was primed, and missions to both Jupiter and Saturn ensued.

Those missions make up the topic of our track today, in this second episode of our trilogy of Probes that Studied the Solar System.

Journey To The Gas Giants - No Soundtrack

Of all the spacecraft to have visited other worlds, there are two which have travelled further than any other, discovering more about the Solar System than their inventors ever could have imagined. They are the legendary pair of Voyager Probes; still the only spacecraft ever to have visited the Ice Giant planets, Uranus and Neptune. And the story of their 40 years in space makes up the topic of our video today- from the gas giants, to the ice worlds, and then out into the depths of interstellar space...

Merry Christmas everyone, thanks as always for watching my videos and I'll see you in 2024!

SOUNDTRACK: 
- Just a Shadow | CO.AG Music (https://youtu.be/pRDzXIV5yKg?si=Z4ooBaD1wZmV_Y7B) 
- Deep Sleep | Amber Waldron (Storyblocks)
- Beyond This Earth to the Stars | CO.AG Music (https://youtu.be/aPQl1d96_Bk?si=sLbl_gG8oqhcwuW0)
- Contemplative | Amber Waldron (Storyblocks)
- Spa Go | Gushito (Storyblocks) 
- Descend Into Horror 5 | CO.AG Music (https://youtu.be/Ev49l2ZGFmg?si=Cj4CUoob2wRCjSaQ)
- Guitar Drone Meditation | Humans Win (Storyblocks)
- SpaceShip | Jayson Wayne Brown (Storyblocks)

CO.AG's Channel: https://www.youtube.com/@co.agmusic

The Voyage Beyond the Solar System

Of all the spacecraft to have visited other worlds, there are two which have travelled further than any other, discovering more about the Solar System than their inventors ever could have imagined. They are the legendary pair of Voyager Probes; still the only spacecraft ever to have visited the Ice Giant planets, Uranus and Neptune. And the story of their 40 years in space makes up the topic of our video today- from the gas giants, to the ice worlds, and then out into the depths of interstellar space...

The Voyage Beyond the Solar System | No Soundtrack

What lies at the edge of the Solar System? Far beyond the orbit of Neptune and the Kuiper Belt, deep into interstellar space, we find a vast, thick shell of icy space debris. We have never seen it directly, but we know it exists- because it is the source of the most distant comets that we see entering the Solar System. So why is it there? Today we'll find out.

The Oort Cloud | The Solar System's Shell

Stars come in a wide range of sizes, but how do we calculate a star's size to determine which is the biggest? In this episode of OOTW, we will find out how stars are measured to determine their mind-blowing sizes, and above all, which of them are the largest stars.

Some songs by Chris Zabriskie were licensed under a Creative Commons Attribution 4.0 licence. https://creativecommons.org/licenses/by/4.0/ 
http://chriszabriskie.com/
https://www.youtube.com/c/chriszabriskie/

Dark Fog by Kevin MacLeod:
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1300031
Artist: http://incompetech.com/

Ice Demon by Kevin MacLeod:
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1200061
Artist: http://incompetech.com/

The Largest Stars | Stephenson 2-18

No matter where you are, you are always moving. The Earth orbits the sun, and the sun moves round the galaxy. But what is it that makes the galaxy move? That is going to be our topic today. Everything in our local galaxy supercluster, Laniakea, is being dragged towards a very high concentration of mass hidden behind the plane of our galaxy. It has all the ingredients for an epic space mystery, it is the Great Attractor.

Songs by CO.AG:
- https://www.youtube.com/watch?v=aAp5ecwlU7M
- https://www.youtube.com/watch?v=e9TJrLeqnhw
- Artist: https://www.youtube.com/channel/UCcavSftXHgxLBWwLDm_bNvA

The Great Attractor

Earth is a success story, a thriving world that has hosted life for almost 4 billion years. But, no matter how peaceful things may be now, a new age is coming for the Solar System. An age of change, destruction and evolution. A place for new worlds and new stories, but one in which the Earth has no place.

Track by CO.AG Music: - The Unknown - https://youtu.be/IFYTGVE1aRs
All other tracks came from the YouTube Audio Library

The Final Age of the Solar System

How large is the universe? Where does it begin and end? And how does it expand? These are some of the biggest questions of astronomy. And while humanity is so small that we may never be able to fully understand the true scale of the universe, advancements in technology are helping us to look ever-deeper into the wilds of our existence- towards the edge of our observable universe, known as the Cosmic Horizon. Today, we will analyse the universe, its laws, and its awe-inspiring scale.

MUSIC: 
Special thanks to Lombus, who allowed me to use his song Doppler Shores in the title screen: 
- Source: https://lombus.bandcamp.com/track/doppler-shores

Songs by Chris Zabriskie are licensed under a Creative Commons Attribution 4.0 licence https://creativecommons.org/licenses/by/4.0/
- The Theatrical Poster...: http://chriszabriskie.com/vendaface/
- Unfoldment, Revealment... http://chriszabriskie.com/reappear/
- Cylinder Five: http://chriszabriskie.com/cylinders/
- Take Off and Shoot a Zero: http://chriszabriskie.com/stuntisland/ 
- Oxygen Garden: http://chriszabriskie.com/divider/
Artist: http://chriszabriskie.com/

Other songs are from the YouTube Audio Library
Observable Universe Logarithmic Illustration: https://fb.me/observableuniverse

The Cosmic Scale

The Solar System is our vast and diverse planetary system, which houses eight large planets, including one which gave rise to life. While humanity was born too late to witness the events that occurred at the birth of the Solar System first-hand, by peering into the systems of others stars, we are starting to piece together the events that unfolded. Today, we will explore the culmination of these decades of research, as we tell the story of the birth of the Solar System.

CO.AG Music: https://www.youtube.com/channel/UCcavSftXHgxLBWwLDm_bNvA

All songs by Chris Zabriskie are licensed under a Creative Commons 4.0 Attribution License. https://creativecommons.org/licenses/by/4.0/
Artist: http://chriszabriskie.com/

The Birth Of The Solar System

The Solar System is home to eight main planets, but this is far from the full picture. Hidden beyond the orbit of Neptune are dozens of small, icy worlds, known as Dwarf Planets, or Minor Planets! The best example is Pluto, but there are dozens more orbiting within the same band of material at the outer Solar System. Today, we will visit these frozen, far out worlds first hand.

The following tracks appearing in this production are licensed under a Creative Commons Attribution 4.0 licence. https://creativecommons.org/licenses/by/4.0/

At the Foot of the Sphinx by Twin Musicom: https://creativecommons.org/licenses/by/4.0/
Artist: http://www.twinmusicom.org/

I Am Running Down the Long Hallway of Viewmont Elementary by Chris Zabriskie:
Source: http://chriszabriskie.com/honor/
Artist: http://chriszabriskie.com/

Jesu, Joy of Man's Desiring by Kevin MacLeod 
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100189
Artist: http://incompetech.com/

Dwarf Planets | The Lesser Worlds

The Sun... both the giver of life, and destroyer of worlds. Host of the eight planets, and incubator of Earth with its light and heat. Yet in spite of its brilliance, the true nature of the sun's power remains shrouded in mystery, with scientists unable to explain many of the processes playing out in its atmosphere. But in 2024, NASA will attain their closest glimpse of the sun so far, as they come just five million miles from its surface, diving into the stellar Nether Zone, to "touch" the sun itself.

BACKGROUND TRACK: 
"Christmas Ambience" by CO.AG Music
Song: https://youtu.be/e23_O1koRiA?si=5gebdLo6tpmIQpY3
Artist: https://www.youtube.com/channel/UCcavSftXHgxLBWwLDm_bNvA

A Glimpse Of The Sun

Hi! I'm Sam, author of the YouTube channel SEA.
On this account you will find soundtrack-only versions of my recent videos.
Hope you like what you see, thanks for stopping by!

The Oort Cloud | The Solar System's Shell

SEA

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