Could We Move the Earth? - Ask a Spaceman!

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Could we nudge the orbit of the Earth to avoid the death of the Sun? Could it get kicked out of the solar system altogether? What are rogue exoplanets? I discuss these questions and more in today’s Ask a Spaceman!
Follow all the show updates at www.askaspaceman.com, and help support the show at / pmsutter !
Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

[@ovidiuv1250]

Maybe we shall first understand the nature of gravity and see if there is any way to interfere with it. If there is, we just need to build a solar powered device in a stable orbit between Earth and Sun. And when Jupiter is in the right position, turn on the device and weaken a little bit sun gravitational attraction, to allow Jupiter pull Earth in a higher orbit. And then when the right orbit is reached, just dismantle the device. And then there is no risk to get lost in interstellar space.

[@wcsxwcsx]

Like I've said before, some visual illustrations would be super-helpful.

[@spinnymathingy3149]

I like the idea of how the earth got moved to avoid an asteroid in an old sci-fi movie, there was enormous rockets built on the North Pole and they simply pushed the earth out of the way 👍👍

[@michellebahns5870]

Can you please explain Hawking radiation. I don't understand this at a granular level. People say that 2 oppositely charged virtual particles pop into existence, one falls into the black hole leaving the second to become 'real' and this particle is the Hawking radiation. But what happens to the particle that falls into the black hole. Doesn't that particle add to the weight of the black hole, therefore the black hole wouldn't actually lose mass. Thank You for all of the content.

[@SplashOfOrange]

How about salvaging Venus by moving it into the habitable zone? How cool would it be to have a multi-planet civilization... right in our own Solar system? I suspect Venus is beyond repair in any realistic terms "even if" we could figure out how to move it, but salvaging Venus has to be on somebody's sci-fi wishlist, right? :D

[@SplashOfOrange]

That whole lack of a magnetic field is probably the biggest nail in the Venusian coffin; If I understand correctly, like Mars, the lack of a magnetic field on Venus means any atmosphere we managed to terraform would get stripped off right away anyway. Oof, Venus has got it rough!

[@russellneitzke4972]

Can we just assume that the solar system used to have six times as much mass can we extrapolate that to every star system in our galaxy? Can we extrapolate that to all galaxies and assume dark matter is just road planets

[@Neceros]

Have you heard about the LENR process? Bob Greenyer talks about it. Creating elements from "nothing"

[@chrissscottt]

Very interesting, thanks.

[@mikelodge6394]

Great episode, I enjoy the storytelling element!

[@lloydscharf6897]

If "Earth" were to become a Rogue Planet, how could you tell time on it? or would time stop?

[@stewiesaidthat]

If you were to fly a sundial around the planet such that it always reads noon, does that mean time has stopped?

[@BrenzOTnT]

Next closet star is a three body system, and well that's a problem 😂

[@BrenzOTnT]

I wonder if he's read Cixin Lui's works?

[@alnilam2151]

Yeah Kno, don't really fancy bringing the AsteroidBelt along for any ride involving Jupiter! {\}

[@ChinnuWoW]

….why not? If it works then it’s good.

[@MeissnerEffect]

Question Dear Paul - Just postulating here; Say an asteroid we’ve covered in ion, nuclear, fission rockets (adjustable solar sails?) that we travelled to and engineered thousands of years before its close approaches to Earth (Apophis?) and get it to gravitationally affect the Moon and Earth? Get A.I. to solve any potential 3 body problems? Thanks! Paul I really love your work!!

[@spartanatreyu]

A single asteroid isn't going to do anything of note to the earth and moon's orbits. It would take tens of thousands of controlled deliberate passes to start affecting things, and that's only over very long time-scales

[@MeissnerEffect]

Oh, I was hoping the Moon and say an Apophis like object combined might be an incremental enough combination over the billion year timeframe we’d have. 😢

[@robheusd]

You can move the earth, I already succeeded in moving it 1 meter by jumping. It's rreally amazing.

[@russellneitzke4972]

Can dark energy be dark matter resonance

[@8104587]

Don't we want to slow down our orbital speed to get a higher solar orbit ? I would have thought that would mean we need to give some of our energy to Jupiter, rather than the other way around ?

[@ChinnuWoW]

Energy that pushes us in the direction away from the Sun.

[@ChinnuWoW]

Slowing down our orbital speed would bring us towards the Sun.

[@user-hx5lz4qr1c]

U-HAUL could do the job 😉🥱

[@brian-te4xs]

The Bible clearly states the Earth is on pillars and cannot be moved. Have a good one !