Infographic of the Day: Fastest-Spinning Exoplanet Explained

May 23rd, 2014
in News, econ_news, syndication

Planets acquire their rotation when they are formed, taking angular momentum from the impacts that shape them.

Follow up:

There is a relationship between the mass of a planet and the speed of its spin, except where tidal forces have decelerated planets and made their days longer.

At between 8 million and 20 million years old, the Beta Pictoris system, 63.4 light-years away, is still in its formative stage. Young planets are still accreting as planetesimals collide in the debris disk that surrounds the star.

(click here for larger image)

Diagram of day length on various planets.
Source All about our solar system, outer space and exploration.


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