Hubble Sees a Cosmic Caterpillar

Hubble Sees a Cosmic Caterpillar

This light-year-long knot of interstellar gas and dust resembles a caterpillar on its way to a feast. But the meat of the story is not only what this cosmic caterpillar eats for lunch, but also what's eating it. Harsh winds from extremely bright stars are blasting ultraviolet...

Compass and Scale Image for Protostar IRAS 20324+4057

Protostar IRAS 20324+4057 Zoom Sequence

This video begins with a view of the stars in the constellation Cygnus. We zoom into the Cygnus OB2 association region, and then into a Hubble view of protostar IRAS 20234+4057. This light-year-long knot of interstellar gas and dust resembles a caterpillar on its way to a feast.