Astronomers explain planets’ backward motion
Unseen giants may be flipping orbits of Jupiter-sized worlds
By Andrew Grant, 12:59 PM November 1, 2013
They’re hot, they’re huge and they move the wrong way. In the rapidly growing catalog of planets found outside the solar system, about a dozen Jupiter-sized ones tightly circle their stars in the wrong direction. Now scientists have come up with an explanation for these wrong-way worlds that should help astronomers better understand how planets interact and might even lead to the discovery of more exoplanets.
Scientists believe they have a pretty good handle on how planets form. When a star is...
Source URL: https://www.sciencenews.org/article/astronomers-explain-planets’-backward-motion?mode=topic&context=36