An orange dwarf named Gliese 710 has an 86% chance of disturbing the Oort cloud and sending a stream of comets towards the Sun in about 1.5 million years.
Galaxy Zoo classifications of local galaxies indicate that active elliptical galaxies are markedly different from those with more disk-like or spiral shapes.
Interferometry allows a team of astronomers to obtain for the first time a snapshot of the actual surface of a distant star outside of our solar system.