Planetary ring systems can be found around all four of the large planets in the Solar System, though each differs wildly in its composition and density. In this episode, we will explain why ring systems form, supported by examples from both our Solar System and beyond.

Backing tracks by Chris Zabriskie are re-usable under a Creative Commons Attribution 4.0 Licence. 
Chris Zabriskie's profile: https://soundcloud.com/chriszabriskie

Planetary Ring Systems

Black holes are the most fascinating and mysterious objects in the universe, described by Stephen Hawking as a place where time stops. What really happens on the inside of one of these spacetime boundaries remains a mystery, but in this episode, we will aim to establish what truly lies on the other side of a black hole.

Soundtrack by CO.AG Music: 
- SoundCloud Link: https://soundcloud.com/co-ag
- YouTube: https://www.youtube.com/channel/UCcavSftXHgxLBWwLDm_bNvA

Other songs from the YouTube Audio Library, licensed under Creative Commons 4.0 (reuse allowed)

The Other Side Of A Black Hole

The Andromeda Galaxy is our nearest neighbouring spiral galaxy, around 2.5 million light years from Earth. At twice the size and more than double the number of stars, Andromeda represents a larger and even more mysterious galactic kingdom than our own. Today, we will be taking a journey to this galaxy.

Soundtrack by CO.AG Music: 
- SoundCloud Link: https://soundcloud.com/co-ag
- YouTube: https://www.youtube.com/channel/UCcavSftXHgxLBWwLDm_bNvA

Journey To The Andromeda Galaxy

When did the first planets start forming in the universe? What were they like? And what about the first habitable planets? These are complex questions, with a broad range of considerations, but by studying the oldest planets of the Milky Way, today we will aim to answer those questions.

Soundtrack by CO.AG Music: 
- SoundCloud Link: https://soundcloud.com/co-ag
- YouTube: https://www.youtube.com/channel/UCcavSftXHgxLBWwLDm_bNvA

The First Planets

In 1998, two teams of scientists measured the universe's rate of expansion, expecting to find the gravity of the Cosmic Web bringing the universe into a collapse. But instead, they found that the universe's expansion appears to be accelerating- having expanded more in the latter half of its life.
Both teams agreed upon the existence of a new type of energy field, known as Dark Energy, to drive this acceleration, and in doing so, they revived one of Einstein's long-rebuked ideas- the Cosmological Constant.

Thank you to SpaceWave - Cosmic Relaxation for yet another amazing soundtrack! If you liked this video's music, check it out below: 
Dark Energy Soundtrack: https://www.youtube.com/channel/UCj3460Ylt4JEcEiW6PxCH9Q
SpaceWave's Channel: https://youtu.be/XntDsSR38qU

The Dark Energy Mystery

Ever wonder what it would be like to fly all the way to the edge of space? Well in this episode, we'll be doing just that. We will embark on a tour of our universe- venturing deep into the darkness, uncovering the most jaw-dropping landmarks along the way. This is our journey to the edge of the universe.

Journey To The Edge Of The Universe

Our view of the cosmos is limited to the observable universe- the slice of space containing all the galaxies that can be seen from Earth. But what we perceive to be the edge of our universe is not the actual edge of the universe- with most scientists in agreement that more space lies hidden beyond what we're able to see. Last time out, we travelled to the very edge of our observable universe. But today, we will be going even farther, as we wade out into the darkness of the unobservable universe.

Soundtrack by CO.AG Music: https://www.youtube.com/@co.agmusic1823
- Taboo-Inspired Intro Track: https://youtu.be/YA3yfPh38mc
- Strange Days Ahead: https://youtu.be/QaGsRzO-2EA
- The Last Breath: https://youtu.be/AekcHz0ZdjU
- The Monolith: https://youtu.be/XK_iQLGpId0
- ESP Background Track: https://youtu.be/rT2ONCrdtVU
- Encounter: https://youtu.be/vxdlSXZvxL0
- Direct Space: https://youtu.be/G7-3crlxDDE
- Do You Understand: https://youtu.be/BXmPuHqXUzc
- Phonon: https://youtu.be/2Mgk6jem7Zg
- Dark Enigma 13: https://youtu.be/mGFxASTdnhc
- Book of the Dead: https://youtu.be/6X3RYrOy1RE

Beyond The Observable Universe

The Hubble Telescope has been our most profound window into the universe for more than 30 years. From imaging the interiors of beautiful, nearby nebulae, to revealing the secrets of the universe at large, we’ve seen glimpses of space our ancestors would’ve found hard to believe. And in today’s video, we will relive some of the telescope’s greatest successes as we recount some of Hubble’s greatest discoveries. 

Soundtrack by Scott Buckley and CO.AG Music.
Scott Buckley: https://www.scottbuckley.com.au
(SoundCloud): https://soundcloud.com/scottbuckley
CO.AG Music: https://www.youtube.com/@co.agmusic1823

Hubble's Greatest Discoveries

How did Earth get its moon? Why is Mercury so close to the sun? Why does Uranus orbit on its side? The answers to all of these questions are the many collisions that ravaged the early Solar System. 

Each of our neighbouring worlds bears scars which echo their violent past. And in this video, we will examine a number of the most significant collisions, which played a pivotal role in building up the Solar System as we know it today.

SOUNDTRACK: 
- Deepest Woods | Enzo Orifice (Storyblocks)
- The Ghost of Aberbeeg | CO.AG Music 
- Edge of Silence, Ambient Sounds 06 | CO.AG Music 
- Balefire | Scott Buckley Creative Commons Music 
- Ambient Glass Drama Documentary Music | Music Media Company (Storyblocks) 
- Short Song 011023 | Chris Zabriskie Creative Commons Music 
- Short Song 020823 | Chris Zabriskie Creative Commons Music
- Dreams | Humans Win (Storyblocks)
- Not Saying Enough | Michael Vignola (Storyblocks)
- Speak to Me | CO.AG Music
- A Dark, Silent Night | Humans Win (Storyblocks)

CO.AG Music: https://www.youtube.com/@co.agmusic1823
Chris Zabriskie Music: https://chriszabriskie.bandcamp.com
Scott Buckley Music: https://www.scottbuckley.com.au

Collisions Of The Early Solar System

From studying the dusty surface of Mars, to plunging into the atmosphere of Venus, over the last 60 years, we've launched hundreds of probes into space on trajectories to visit each of the terrestrial planets. But for all the fascinating discoveries made along the way, humanity's journey towards the stars started out in a much darker place- a battlefront between the world's then two great competing superpowers. And in this first episode on my new series on probes, we will revisit this space race, and the major milestones on route to visiting each of the terrestrial planets. 

Soundtrack by StoryBlocks Media and CO.AG Music (https://www.youtube.com/@co.agmusic)

Race To The Terrestrial Planets

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

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!

Race To The Terrestrial Planets

SEA

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