Astronomy and Astrophysics

Jupiter twin discovered around solar twin

Astronomers have used the ESO 3.6-metre telescope to identify a planet just like Jupiter orbiting at the same distance from a Sun-like star, HIP 11915. According to current theories, the formation of Jupiter-mass planets ...

dateJul 15, 2015 in Astronomy
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Rosetta tracks debris around comet

Ever since its approach to and arrival at Comet 67P/Churyumov–Gerasimenko, Rosetta has been investigating the nucleus and its environment with a variety of instruments and techniques. One key area is the study of dust grains ...

dateJun 23, 2015 in Space Exploration
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Search narrows for Planet Nine

US astronomers announced last month they may have found a ninth planet beyond Neptune, but conceded they had no idea where on an estimated 10,000-20,000-year orbit it might be.

dateFeb 23, 2016 in Astronomy
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Chandra finds remarkable galactic ribbon unfurled

An extraordinary ribbon of hot gas trailing behind a galaxy like a tail has been discovered using data from NASA's Chandra X-ray Observatory. This ribbon, or X-ray tail, is likely due to gas stripped from the galaxy as it ...

dateDec 22, 2015 in Astronomy
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