The Helix Nebula is an example of a planetary nebula. Though it looks like a bubble or eye from Earth's point of view, the Helix is actually a trillion-mile-long tunnel of glowing gases.
Weeks after NASA's 1999 Hubble repair, the Hubble Heritage Project captured this image of NGC 1999, a nebula in Orion, using the Wide Field Planetary Camera 2. This Hubble image shows RS Puppis, a ...
A reflection in Orion: The Hubble Heritage Project snapped this picture of NGC 1999, a nebula in the constellation Orion, weeks after NASA astronauts repaired the Hubble Space Telescope in ...
Space can be a wondrous place, and we've got the pictures to prove it! Take a look at our favorite space pictures here, and if you're wondering what happened to today in space history don't miss ...