Tom Megeath
Tom Megeath
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.
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.
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.
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.
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?