Hi!
I'm having a little discussion about a scene in Star Trek II where it's claimed that a planet's orbit is shifted when another planet explodes. It's a silly science scene, and I got to thinking about the energy involved.
What I'm after is the equation I'd need to calculate the energy required to make a planet move from one orbit to a different orbit. So for example how much energy would it take to move Earth from the current 1 AU radius orbit to an orbit of radius 2 AU?
I've googled around for answers and found people working similar problems, but many of them seem to use different formulas and get very different results.
Thanks for anybody who can help.
I'm having a little discussion about a scene in Star Trek II where it's claimed that a planet's orbit is shifted when another planet explodes. It's a silly science scene, and I got to thinking about the energy involved.
What I'm after is the equation I'd need to calculate the energy required to make a planet move from one orbit to a different orbit. So for example how much energy would it take to move Earth from the current 1 AU radius orbit to an orbit of radius 2 AU?
I've googled around for answers and found people working similar problems, but many of them seem to use different formulas and get very different results.
Thanks for anybody who can help.
via International Skeptics Forum http://ift.tt/1k1KNNm
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