News tagged with exoplanet

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Star Tau Boo's baffling magnetic flips

( —The first observations of the complete magnetic cycle of a star other than the Sun are proving a puzzle to astronomers. Tau Boötis, known as Tau Boo (τ Boo), is a yellowish star that is a little brighter than ...

dateJul 04, 2013 in Astronomy
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Sunny super-Earth?

( —Researchers from NAOJ and the University of Tokyo have observed the atmosphere of super-Earth "GJ3470b" in Cancer for the first time in the world using two telescopes at OAO (Okayama Astrophysical Observatory, ...

dateJun 12, 2013 in Astronomy
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Stellar winds may electrify exoplanets

( —The strangest class of exoplanets found to date might be even stranger than astronomers have thought. A new model suggests that they are partially heated by electric currents linked to their host stars. Florida ...

dateJun 05, 2013 in Astronomy
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How common are earths around small stars?

( —The Kepler mission has revolutionized the study of exoplanet statistics by increasing the number of known extrasolar planets and planet candidates by a factor of five, and by discovering systems with longer ...

dateJun 03, 2013 in Astronomy
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Lightest exoplanet imaged so far?

( —A team of astronomers using ESO's Very Large Telescope has imaged a faint object moving near a bright star. With an estimated mass of four to five times that of Jupiter, it would be the least massive planet ...

dateJun 03, 2013 in Astronomy
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