This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

Both nebulas are the leftover remnants from the last phase of a medium star like our sun. The other small bright bluish ball visible to the left of center in the image is known as Abell 6.

Herbig-Haro 49/50, aka the 'Cosmic Tornado', as seen by Spitzer in January 2006. The source of the 'tornado', a Class 1 ...

This Hubble Space Telescope image shows a bow shock around a very young star called LL Ori. Named for the crescent-shaped wave made by a ship as it moves through water, a bow shock can be created ...