GIANT planets in faraway solar systems are marching in towards their parent
stars, and banishing small planets like Earth into outer space in the process.
That’s the conclusion of astronomers in Canada who think they know why these
giant planets end up so close to their host stars.
Around 60 extrasolar planets have been discovered so far. Most are gas giants
several times the size of Jupiter and orbiting very close to their parent
stars.
This has baffled astronomers because giant planets in our own Solar System
formed in the cold outer regions and have not shifted inwards from their…
