News tagged with stars

How to weigh stars with gravitational lensing

Astronomy & Astrophysics publishes the predictions of the passages of foreground stars in front of background stars. A team of astronomers, using ultra-precise measurements from the Gaia satellite, have accurately forecast ...

date5 hours ago in Astronomy
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Astronomers find a famous exoplanet's doppelgänger

When it comes to extrasolar planets, appearances can be deceiving. Astronomers have imaged a new planet, and it appears nearly identical to one of the best studied gas-giant planets. But this doppelgänger differs in one ...

dateJul 17, 2018 in Astronomy
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