The Keyhole Nebula (which is also known as the Carina Nebula or NGC 3372) is a glowing cloud of gas, dust, and stars some 8000 light years distant toward the constellation Carina. CN is a site of active star formation, and it contains stars that are ten times as hot and 100 times as massive as the Sun. The entire CN is some 200 lights years across.
Nebula and Stars In Universe, Published by Bumbu Pas.
NGC 6302 - The Butterfly Nebula - With an estimated surface temperature of about 250,000 degrees C, the dying central star of this particular planetary nebula has become exceptionally hot, shining brightly in ultraviolet light but hidden from direct view by a dense torus of dust - Recorded in 2009 by the Hubble Space Telescope's Wide Field Camera 3 - Please click to read more #space...x