Can a Planet leave the Orbit of one Star and later enter Orbit around another Star?

I've heard that it's been observed that planets can leave orbit around one star, "fly" through space, and later come near another star and enter its orbit. Is this true? If so, What is this phenomenon called? And where could I read about it?Can a Planet leave the Orbit of one Star and later enter Orbit around another Star?Its possible. Planets can be torn out of their orbits by the gravitational forces of a passing star. Galactic collisions could cause this sort of behavior. I have seen speculation that the collision with the Andromeda galaxy in 2 billion years or so could do such a thing to earth. I wouldn't bet a lot of money on that happening though. However with that said, the chances of being picked up by another star (capture is the term usually associated with the idea ) are rather low. Interstellar distances are absurdly large, and the speed of rogue planets would be rather low. Still, it is possible. For many years it was suggested that Pluto was a capture. This was before it was known that the Kuyper belt and Oort cloud harbored lots of such minor planets.

There is an old science fiction novel (and movie) based on that concept. "When Worlds Collide" and its sequel "After Worlds Collide" are science fiction classics which I remember well from my youth. The authors, if I remember correctly are Phillip Wylie and Edwin Balmer. I read both many times.Can a Planet leave the Orbit of one Star and later enter Orbit around another Star?
You read interesting stuff. It's called fantasy.



In our picture of the universe, planets only exist because of the influence of a star, which pulls surrounding matter into a solar system. Planets aren't captured bu a star, per se, but in fact exist only BECAUSE of the star.



A planet could conceivably change orbits if two solar systems drifted past one another. In that case, if star #2 came closer to the planet than it's original star #1, there could be a possibility that orbits would be disrupted enough to yank a planet from one to the other.



But given the scarcity and diffuse nature of star systems in the universe as a whole, it's pretty doubtful such an event could take place. If two systems approached close enough for that to happen, there would be an equally good chance that they would intermingle and create a binary star system.Can a Planet leave the Orbit of one Star and later enter Orbit around another Star?It CAN, however the chances are very improbable.



There are 2 ways a planet can leave the orbit of its sun:



1) An impact from another large celestial body, such as another planet or a very large asteroid, that will sent the planet of course.



2) When a sun dies out, if that sun isn't big enough and turns into a black hole its gravitational pull would be reduced. IF the planet wasn't close enough to be engulfed in the Red Giant then it will shoot off into space.





IF any of these happen however the planet will travel in space for million of years before even having the chance to reach another star. And the possibility of it 'attaching' itself to another solar system depends on the way it approaches the new sun's gravitational pull. If it gets too close it might actually hit the new sun.Can a Planet leave the Orbit of one Star and later enter Orbit around another Star?
It has NOT been observed.



It would be quite rare. The conditions must be just right.



If a planet is in orbit around one star and another star gets close enough to disrupt its orbit, the possible outcomes are:



The planet is ejected from the system.

The planet plunges into one of the two stars.

The planet leaves one star and goes into orbit (possibly retrograde) around the other, to eventually spiral inwards (tidal braking).

The planet enters a prograde orbit around the other star; however, from the capture orbit to a stable orbit, a lot of tidal force will need to be dissipated (the planet will heat up, maybe to the point of melting from its own internal heat -- the satellite Triton, captured by Neptune, had its mantle all melted up).



I've tried to rank them in order of increasing probability, with the first three being the most probable outcomes.Can a Planet leave the Orbit of one Star and later enter Orbit around another Star?Very interesting thought! Even more interesting that this may have been "observed". I've never heard about it, even happening hypothetically. Picture our Solar System on this scale: the Sun is a bowling ball and the Earth is peppercorn. The next nearest star is one thousand miles away! That's a long way for a peppercorn to travel and how will it set off in the right direction? How will it get kicked out of the Solar System to begin with? Just thinking it through . . . it certainly would be the ideal way to travel; like a super sized RV complete with agriculture and atmosphere. Cool thought. Thanks for the interesting question.Can a Planet leave the Orbit of one Star and later enter Orbit around another Star?
It's possible that a planet could be ejected from a star system from the gravitational effects of passing too close to another body. However it is *extremely* unlikely that the planet could then enter into a stable orbit around another star. The speed and angle of approach would have to be just right.Can a Planet leave the Orbit of one Star and later enter Orbit around another Star?
noup by itself, or by collission

the distances between systems is astounding

perhaps if a humungus black hole is eating a galaxy then you can prove your theory right

it happens

http://current.com/items/88795594_a_supe鈥?/a>
possible but improbable

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