HTTP:: New Category of Alien Worlds Dicovered
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One of the basic things any kid knows about planets is that they spin around a star. What goes without saying is that a planet in fact spins around a single star. Apparently, this is not the case with a recently discovered celestial body, which has an orbit so elongated and tilted, that astronomers believe it's being pulled, or at least was in the past, by two stars, instead of the average one, ScienceNow reports. The exoplanet HD 80606b is located a measly 190 light-years away from Earth, and is about four times more massive than Jupiter, which, naturally, makes it a gas giant. It was first discovered back in 2001, and, at the time, astronomers attempted to explain its peculiar tilt and axis of rotation as being the result of influences received from its parent star's partner, another star some two billion kilometers away. Together, the two were suns for a binary system, which means that the two components spin around each other. This means that HD 80606b is the first pl!
anet in such a system ever to be discovered. However, in spite of their best efforts, astronomers lacked the means to establish for sure if the peculiarities the gas giant exhibited were owed to gravitational interactions from its star's companion, or if there were some other factors at work. A recent investigation effort, led by experts from...
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http://news.softpedia.com/news/New-Category-of-Alien-Worlds-Dicovered-123697.shtml
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