For the first time, astronomers have observed a star pulsing in response to its orbiting planet. The star, HAT-P-2, pictured, is one of the most massive exoplanets known today. The planet, named HAT-P-2b, tracks its star in a highly eccentric orbit, flying extremely close to and around the star, then hurtling far out before eventually circling back around. Credit: Image courtesy of NASA (edited by MIT News)
Scientists observe first planet-induced stellar pulsations. For the first time, astronomers from MIT and elsewhere have observed a star pulsing in response to its orbiting planet.The star, which goes by the name HAT-P-2, is about 400 light years from Earth and is circled by a gas giant measuring 8X the mass of Jupiter – one of the most massive exoplanets known today...
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