A New Mission Will Grab Dead Satellites and Push Them Into the Atmosphere to Burn Up

China sends record 41 satellites to join Jilin-1 hi-res constellation

Webb Rules Out Thick Carbon Dioxide Atmosphere for Rocky Exoplanet

Even during cloudless days with clear air, you can see a bright ring around the Sun caused by the scattering of sunlight in the atmosphere. A coronagraph can study the intensity of solar aureole