Exoplanets, Planets, Robotic Spaceflight, Solar System Live coverage: New Horizons’ historic Pluto flyby
Exoplanets, Planets, Robotic Spaceflight, Solar System Looking back before peering ahead: Pluto, an interactive timeline
Cosmology I have been trying to get my head around “there is no center to the universe” without success. Can you give a layman’s explanation?
Solar System Astronomers recently discovered that Scholz’s star passed close to the Sun 70,000 years ago. Wouldn’t its gravity have sent Oort Cloud comets raining into the inner planets?
Exoplanets, Planets, Solar System Europa’s ocean sits under a thick ice shell. If this ocean covers the moon’s solid core, does the shell rotate at a different speed?
