The Hubble Space Telescope started its stellar journey on April 24, 1990 by hitching a ride on the space shuttle Discovery. NASA and the European Space Agency are celebrating its 29th anniversary with a picture of a wild nebula that looks like it could lurk under the waves.
ESA - Southern - Crab - Nebula - Creation
ESA described the hourglass-shaped Southern Crab Nebula as "peculiar." It's the creation of a binary star system made up of a red giant and a white dwarf. "The red giant is shedding its outer layers in the last phase of its life before it too lives out its final years as a white dwarf," ESA said.
Some of the material from the red giant is pulled to the white dwarf, which in turn ejects it outward,...