This stunning false-colour picture shows off the many sides of the supernova remnant Cassiopeia A. Located light-years away, Cassiopeia A is the remnant of a once massive star that died in a violent supernova explosion 325 years ago.
This image from Nasa's Spitzer Space Telescope shows a stellar nursery containing thousand of young stars & developing protostars near the sword of the constellation Orion. I heart the Spitzer space telescope.
A remnant light years away in one of the Milky Way's galactic neighbours. This image shows ambient gas being shocked by the expanding blast wave from the exploding star. Photograph: J Hughes (Rutgers University) and Heritage team/CXC/SAO/Nasa/ESA
Extreme star cluster bursts into life - The star-forming region NGC 3603 - seen here in the latest Hubble Space Telescope image - contains one of the most impressive massive young star clusters in the Milky Way.