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When it comes to planets in our Solar System’s habitable zone, one world is too close to the Sun, another is too far and Earth is just right. But maybe things would be different if Venus and Mars simply swapped orbits. What makes these planets uninhabitable right now? What changes would they undergo when they trade places? And why would you need Jupiter to give these planets a chance at supporting life?
Transcript and sources: https://whatifshow.com/what-if-venus-and-mars-swapped-orbits/
00:00 What If Venus and Mars Swapped Orbits?
00:46 Goldilocks zone
02:17 Thank you Omaha Steaks!
03:20 Mars closer to the Sun
05:01 Venus albedo
06:33 Not enough CO2 on Mars
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Life is a fluke and we know it
Just put mars and venus in our orbit. Let them sit there for 79 billion years.
Releasing the CO2 on Mars would be trivial, as the new, higher temperatures would cause the poles to melt. This would cause its own greenhouse effect. And oceans on Venus aren't that hard if you can get the atmosphere to cool enough to release it. Though the concentration of water is tiny, it must be remembered that any concentration on Venus is equivalent to ten times that concentration on Earth, so the volume of atmospheric water is immense. Preventing hyper acidification from absorbing the CO2 in the atmosphere is another matter though…
The heavens declare the glory of God – Psalm 19:1
What if titan slammed into Venus at an 18° angle.
What if Venus swapped with Earth?
Wish these videos when measuring distance would use both kilometers and miles.
The narrator voice is the most annoying voice ever I swear to heck xD Couldn't sit through the whole video…
I'm of the mind that terraforming is possible. It's just not possible now.
I like how in every video the what if concludes with human extinction
well for starters astrologists would be fucked and would have to come up with a new scam
yikes this over the top voice acting is just too much, how can i take it seriously! fun topic, but man i just cant, sorry!
The biggest problem with Mars is that it's too small with too weak gravity to hold an atmosphere that's breathable. It turns out that the single most precious resource for colonization is gravity.
It would be a lot easier the leave the planets where they are and harvest Venus's CO2 and transport it to Mars….if you moved about 50% of Venus's CO2 to Mars, they might both be able to be terraformed at that point…
What about what if Venus had Earth's moon?
So you are against pollution but pro terraforming – Jesus the hypocrisy
You are pro pollution Greta ass burger is so mad
Well apparently Venus has a very high libido.
There’s no point trying to terraform Mars until the atmosphere issue is addressed…which is caused by Mars’s core being too cold to keep up seismic activity. No seismic activity? No magnetic field, no atmosphere sticking around verses swept away by solar winds.
And apparently Venus’s problem is that its seismic activity is closer to a pressure cooker exploding than the cycle Earth has going. Too much released all at once or none at all, which eventually make it impossible for anything to stick around without melting (those poor space probes…)
(I wanna say Atlas Pro covered both planets’ geology. I know he covered Venus for sure…which his annoyance with that planet probably killed that series on his channel. Pity.)
Thx 4 sharing
I dont think so because i think jupiter and mercury will change course because of gravitational pull and planets will collide with each other and destroy everything
why does the narrator sounds as if he's speaking to a mentally deficient 5 year old
Are you going to make our planet liveable by eating meat? I think it's the opposite.
Mars has lots of frozen CO2 (dry ice), not only at the poles, but frozen into the ground. If it were in Venus' orbit, that dry ice would turn into CO2 gas, thickening the atmosphere and trapping more heat, which would cause more CO2 to outgas. There probably isn't enough CO2 on Mars to cause a runaway greenhouse effect and create a second Venus, so the ultimate result would probably be to create a Mars that is closer to being inhabitable than it is now.
What if my Auntie had balls….
Fun fact: Jupiter is one of the reasons that we are alive right now
Mars:Finally no one will nuke me now
Humans:NUKE VENUS!!!
Venus:NO LETS CHANGE OUR ORBIT MARS!!!
As a non-english-native person I really struggle to understand descriptions like "a hundred times less dense".
Wouldn't that be basically one per cent as dense or one hundreth of the density?
Or "ten times stronger" – would that mean something is ten times as strong as the original or eleven times as strong, since ten times the original amount is added to the original? English is really confusing to me sometimes.
What if is why is Earth not swap
This concept of a "goldilocks zone" is absurdly simplistic. Europa is no where near the goldilocks zone and yet this moon has more LIQUID water than Earth does.. Oceans estimated to be 50 or 60 miles deep!! Protected from space by a 10 mile thick glacier and heated from Volcanic activity like Io. Water is an excellent insulator. Bacteria evolve and mutate to survive in the most hostile environments. It is my certain conviction that Europa probably has more microbial life than Earth does.. What's more it is at a safe distance from the sun if that throws a hiccup so Europa will still have life in its oceans long after Earth has been frazzled!!