12 March 2021
Scientists find a rocky exoplanet rebuilding its atmosphere
...the intense radiation emanating from the hot, young star it orbits once every day and a half. This ... window is of great importance.” Because of its close proximity to its host star, Swain and colleagues suggest that GJ 1132 b acts a lot like Jupiter’s...
09 August 2019
Is the Milky Way's black hole waking up?
...activity in the past few hundred years. More recently, a star known as S2 got within 100 AU (astronomical units) of... Some of the closest known stars, like S2, belong to the S- star cluster, a group of massive young stars that closely orbit our central...
17 October 2019
Hubble gets a good look at interstellar visitor Comet 2I/Borisov
...millions of years before maybe one day approaching another star system. Crimean amateur astronomer Gennady Borisov first discovered ...that rings and shells of icy debris encircle young stars where planet formation is underway. A gravitational ...