What Were The Planets Like 3.8 Billion Years Ago?

Have you ever wondered what our solar system looked like in the past? Were the planets the way they are today, or did they look completely different?
In this video, we will travel back to learn what the planets looked like 3.8 billion years ago.

Before we begin, why 3.8 billion years? We selected this date and no other because it was around this time that the solar system was ending a period known as the "Late Heavy Bombardment Period."
This period took place between 4.1 and 3.8 billion years ago. During that time, relatively brief within the cosmic scale, there were a large number of asteroid impacts with the planets and objects of the interior of the Solar System.

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Credits: Nasa/Shutterstock/Storyblocks/Elon Musk/SpaceX/ESA/ESO/ Flickr

Video Chapters:
00:00 Intro
01:00 Gaseous planets ( Jupiter, Saturn, Uranus and Neptune)
02:25 Mercury
05:27 Venus
07:17 The earth
09:43 Mars

#insanecuriosity #planets #astronomy

[InsaneCuriosity]

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[californiadoll]

Trees are rarer than diamonds in all of the universe!!!

[Epsilonsama]

It's fascinating that had an Alien civilization been able to see our planets back then they would have written off the Earth as opposed to Mars and Venus.

[artianna]

Would’ve been amazing to see Mars and Venus as planets with oceans

[unarealtaragionevole]

Of all the planets, Venus is the one I would really like to see back then. There's something mysterious about its changes. I would love to know if rotated faster, or in the same direction, was it caused by impacts from asteroids or maybe another planet....or just what will happen to Earth in the future when the Sun expands and Earth get's in a similar position. Also, with both Venus and Mars....I want to know what "more Earth-like" really means. If it was today, could we colonize or terraform?

[nathanseper]

It is depressing that Venus lost its chance of being a life-sustaining planet.

[Pauli-xlnr]

Fun fact: Earth is the most dense planet of all, and one of densest object in solar system

[Captofthisship]

Yes, please! What will the planets look like after the sun's main sequence, when it starts to expand? Will the gas planets become planets? I've been so curious about this.

[VKKL]

Such an incredible feeling knowing that we are just a little blob in this neverending ocean of planets, stars and other things

[ltankk]

Definitely would like to see a video of the future of the planets

[macleunin]

The panspermia theory has always bothered me because it doesn´t answer how life started, it just transfers it to other place. So if life on Earth came from Mars, where did come from before that?

[albatross]

I actually really like when vids include elements of both paleontology and astronomy, because both fields provide part of a bigger picture, and can each allow insight that is valuable to the other. For paleontology, understanding how cosmic events have shaped our planet is quite helpful, and for astronomy, understanding how life on our planet has developed over time, can help with understanding how life might develop on other planets.

[TheRealRodent]

Nice vid... but...

No mention of Saturn's ring system?
Saturn's rings are only about 100 million years old, and it's estimated they'll be gone somewhere between 50-100 million years from now.
3.8bya it was probably just a yellow ball rather than the iconic ringed giant that we all love today.

And Mercury: No mention that it was formed a lot further out than where it currently is?
This also explains the massive cratering.
It's believed that it is a failed planetary core... and that had it stayed where it originally was in the asteroid belt between Mars and Jupiter, it would have formed another large rocky planet.
Meaning the order of planets would be Venus, Earth, Mars, then Mercury, then Jupiter, Saturn, Uranus, Neptune.
However, the newly formed core, was pushed by Jupiter before it could form fully, and it became locked into its current orbit.


The reason behind this thinking of Mercury's origin, is that there's evidence that both Jupiter and Saturn had a push-pull relationship for a few hundred million years... and at one point because of this push-pull relationship, they both had highly elliptical orbit... and their influence on the asteroid belt actually caused a lot of the LHB on the inner rocky planets... with Mercury being a large piece of the asteroid belt that was pushed inward.
It's also possible, that our Moon was part of that same asteroid belt system that Mercury was forming in, and was another large failed planetary core that was pushed inward by Jupiter, that actually collided with Earth creating the binary system of Earth and Lunar.

[eternalmindblocks]

Respect for the camera man going back in time and showing us these images

[bg]

The only thing I can think of is that you forgot to mention is that Saturn, and likely the other gas giants, didn't have it's rings at the time. So, Saturn would've looked quite different. It also likely would've had an extra major moon or two that would go on to form its rings.

[sarge]

When you think about it life could have evolved, lived for thousands of years and then died out and we would never know it due to the fact that nothing would survive from that time after billions of years.

[andrewmccarthy]

That was a fun and informative watch, I never realized that all of the water in the oceans could have come from asteroids.
I am an audio engineer by trade, and I happened to notice some clicks and pops throughout the video. A suggestion I have that would most likely correct this issue would be to add short fades on the the ins and outs of the sound effects that are utilized throughout the piece. I really enjoyed this and would definitely like to see what the future of planets may look like. Thanks for posting!

[Sith_dude]

Thank you, cameraman, for enduring space to bring us this video.

[majinvegeta]

Early earth's moon would have also been much closer to earth. I've always wondered what it must have looked like. Can't believe he didn't mention that. He mentioned the weaker early sun

[antonboludo]

It is amazing how the planets and moons in our solar system are so vastly different from each other. Plus we are still making new discoveries.