Starry La Silla

Starry nightThe stars rotate around the southern celestial pole during a night at ESO’s La Silla Observatory in northern Chile. The fuzzy parts in the trails on the right are due to the Magellanic Clouds, two small galaxies neighbouring the Milky Way.  image credit: Iztok Bončina/ESO

By | Apr 17, 2011|Categories: Astronomy|Tags: , , , , |

Merged black hole eagerly shreds stars

merged black holeA galaxy’s core is a busy place, crowded with stars swarming around an enormous black hole. When galaxies collide, it gets even messier as the two black holes spiral toward each other, merging to make an even bigger gravitational monster.

By | Apr 11, 2011|Categories: Astronomy|Tags: |