Light-Year-Long Knot | Space Wallpaper

IRAS 20324 4057 Protostar 1920
This fascinating space wallpaper shows the caterpillar-shaped knot, called IRAS 20324+4057, which is a protostar in a very early evolutionary stage. It is still in the process of collecting material from an envelope of gas surrounding it.
(Image: © NASA, ESA, the Hubble Heritage Team (STScI/AURA), and IPHAS)

This fascinating space wallpaper shows the caterpillar-shaped knot, called IRAS 20324+4057, which is a protostar in a very early evolutionary stage. It is still in the process of collecting material from an envelope of gas surrounding it. This image was released Aug. 29, 2013. [Read Full Story]