Tom Megeath
Tom Megeath
appear fades grand great home northern sky visible
The Grand Nebula in Cassiopeia will appear in our sky just as the Great Nebula in Orion fades away. Even better, its home constellation is visible year-round from much of the northern hemisphere.
appear fades grand great sky
The Grand Nebula in Cassiopeia constellation will appear in our sky just as the Great Nebula in Orion fades away.
cloud cold destroying disperse dusty fade gas holds luminous material peaceful reality seem stars winter
Orion may seem very peaceful on a cold winter night, but in reality it holds very massive, luminous stars that are destroying the dusty gas cloud from which they formed. Eventually, the cloud of material will disperse and the Orion Nebula will fade from our sky.
amateur emerging fading favorite grand massive object replace riddle solve star target trying
Who knows, in 100,000 years the emerging Grand Nebula in Cassiopeia may replace the fading Orion Nebula as a favorite object for amateur astronomers. In the meantime, I think it will be a favorite target for professional astronomers trying to solve the riddle of massive star formation.
examples time younger
Obviously, we can't go back in time and look at the Trapezium when it was still forming, so we try to find younger examples in the sky.
answer center massive question sitting stars
The question we want to answer is: why are these massive stars sitting in the center of the cluster?