<p>Hot gas (blue) from a <a href="http://science.nationalgeographic.com/science/space/universe/supernovae-article/">supernova</a> expands to fill the shell (greenish-yellow) left over by the explosion. A molecular cloud (red) surrounds the supernova remnant while stars peek through as bright points of light.</p>
Remnants
Hot gas (blue) from a supernova expands to fill the shell (greenish-yellow) left over by the explosion. A molecular cloud (red) surrounds the supernova remnant while stars peek through as bright points of light.
- Week's Best Space Pictures
Week’s Best Space Pictures: Curiosity Snaps a Selfie
A star fades away, and a solar hole sparks several nights of light shows on Earth.
Feed your need for heavenly views of the universe with our pick of the most awe-inspiring space pictures. This week, we get a glimpse of fall colors from space, see the remains of a supernova ballooning into a cloud of space stuff, and get a good-morning greeting from an astronaut in space.