SUNSET: 
1,083 results
A Galaxy Turning Backward?
A spiral galaxy's arms trail behind when it rotates, right? Not always.
Giant Eye Views the Horsehead
The cosmic chess piece, the Horsehead Nebula, is seen in all its glory through the eyes of the VLT.
Close-Up of an Alien World
The lunar surface consists of more than just craters and mare. Here's a guide to some of the other lunar features.
