In its seek for exoplanets — planets exterior of our photo voltaic system — NASA’s Kepler telescope trails behind Earth, measuring the brightness of stars which will doubtlessly host planets. The instrument identifies potential planets round different stars by in search of dips within the brightness of the celebrities that happen when planets cross in entrance of, or transit, them. Typically, laptop applications flag the celebrities with these brightness dips, then astronomers have a look at every one and resolve whether or not or not they honestly might host a planet candidate.

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