Image Credit: NASA/Tim Pyle, inset: C. Baranec

A five-planet system revealed by NASA's Kepler K2 mission

Astronomers using data from the Kepler spacecraft have discovered five planets in orbit around a nearby bright star. The planets have orbital periods ranging from 15 days to 1 year and sizes from 2.5 times the radius of the Earth to approximately the size of Jupiter. Because the central star is bright, future transit observations may be able to characterize the atmospheres of the planets. The Robo-AO adaptive optics system on the Kitt Peak 2.1m telescope was used to rule out a non-planetary origin for the transit signals.

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