The Space Telescope Science Institute has released this stunning photograph from the Hubble Space Telescope, the "supersonic exhaust from [planetary] nebula M2-9." This is an example of a "bipolar planetary nebula" and is estimated to be ten times the diameter of Pluto's orbit. This picture, along with others, contributes to astronomers' understanding of the complex processes that can result from...

These latest findings from Hubble will appeal to anyone with even a passing interest in astronomy. The first focuses on collisions between galaxies within Stephan's Quintet that have given rise to star clusters and dwarf galaxies. This release includes an introduction, background information, stunning photos, animations, videos, related links, and more.