mei 222013
Anne's Picture of the Day: Protoplanetary Nebula Henize 3-1475

May 22, 2013 Henize 3-1475, a protoplanetary nebula in Sagittarius Image Credit: ESA/Hubble & NASA Henize 3-1475 (Hen 3-1475 for short, and also known as IRAS 17423-1755) is a bipolar protoplanetary nebula located around 18,000 light-years away from Earth in the constellation of Sagittarius (the Archer). The nebula – nicknamed the Garden-sprinkler Nebula – is [continue reading]