The First Planets [4K]

How old is the oldest planet? When did the first planets form in the universe? And what about life-supporting worlds? These are some of the most complex questions in extrasolar-planetary science. But by studying the ancient exoplanets in the Milky Way galaxy, we've managed to build up a comprehensive picture of when the genesis planets formed, and what they were like. Those findings make up the content of our video today.

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SOUNDTRACK (In order):
- Drifting at 432 Hz - Unicorn Heads (YouTube Audio Library)

FOOTAGE:
The space scenes in this video were captured using SpaceEngine Pro, a virtual universe simulator:

Stock Footage:

SOURCES OF INFORMATION:



CHAPTERS:
0:00 Introduction
1:37 How Planets Form
8:58 Metallicity
12:52 The Search for Exoplanets
16:30 Methuselah- The Oldest Planet
22:26 Primordial Gas Giant Formation
26:05 Kepler-444- The Oldest Rocky Planets
29:06 The First Habitable Worlds
33:24 Starburst Metal Spreading

(NON-ENGLISH VIEWERS)
To get subtitles in another language, click the [CC] button in the bottom right corner of the screen, then click the Settings (cogwheel) icon next to it, click "Subtitles / CC" and click "Auto-Translate", and select your language from there.

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#500K soon...

[sebastianbuurgunvald]

How I watch SEA videos: once while wide awake and sucked in for the amazing content. Then hundreds of times to help me fall asleep until there's a new one and the cycle starts all over.

[stuartlee]

These videos are always so well produced and superbly narrated. Thank you for the time and effort you put into these.

[HawkGTboy]

Independent filmmakers like you are picking up the slack and making the interesting documentaries that the legacy TV networks aren’t making anymore. Excellent work.

[randycurry]

What a time to be alive and have free access to so much knowledge.

[ThierryTiramisu]

Holy smokes, this isn't a YouTube video --- this is a SPACE DOCUMENTARY!

[TheEnigmaUniverse-vtpm]

I recently bought my first house and played all your videos while I painted the rooms and did some minor repair over the course of two months before fully moving in. Your videos are the best and are now forever part of my memory of my new home. I was born and raised in Hawaii but moved away. This video is so fitting for me to finally have made a comment with a Hawaiian name given to the super cluster. Thank you.

[lamenkane]

It's always a great day when a new video comes from the SEA 🌊

[tommylakindasorta]

In the early universe, there was not enough Phil Collins to form the Genesis Planets as we know them today, but there was an abundance of Peter Gabriel.

[sharkfist]

I'm totally addicted to your channel. I watched one video a week ago and haven't watched anything else on YouTube since. It takes incredible dedication to make so many videos with such high quality visuals and to break down such complex subjects into a form that can be understood by someone as uninformed on the subject as me. Thank you for the time you've put into these!

[brandoncashion]

Chilling to think about all the possible worlds we will never know

[ProximaCentauri]

My introduction to this channel was "The Orphan Moon" and I must say that the quality of your new videos still give me the same existential crisis and wonder. Keep it up, man!

[TheLastGrimReaper]

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[majikk]

My guy dropping full documentaries on YouTube for free you're awesome

[PolBertran]

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[xcvxcv-ruzy]

There aint a channel that does space documentaries better than SEA. Being able to be incredibly detailed while keeping the terms simple enough for anyone to understand is what makes them so great imho

[quannga]

This is by far the best description of planetary formation ever.

[tamaskovacs]

How the hell is this video not sponsored by Brilliant or someone like them? It must have been a lot of work to put it all together! Great content, good job with this one again! Thank you :)

[mattrichard]

Thanks for the always amazing, interesting and captivating content. Keep up the great work!!

[emerald.sapphire.amethyst]

I absolutely love this channel, the information is so detailed so accurate, and everything is always just really soothing and easy to comprehend and understand, I use this as a teaching tool, and I absolutely am just fascinated with this, I’ve always been a astronomy buff, but I didn’t wanna go into it in school because my passion laid elsewhere, but it’s always been one of my secret little hobbies, and I just want to say thank you so much for producing this content and making all of this available to us in the format that you are putting it in. I think this is just absolutely fascinating.

[lindseylindsey]

I turn into a gas giant whenever I eat pinto beans