What is Cygnus OB2?
Q: What is Cygnus OB2?
A: Cygnus OB2 is a large young cluster of stars in the constellation of Cygnus.
Q: What kind of association is the cluster?
A: The cluster is an OB association.
Q: Are there any known massive and luminous stars in the cluster?
A: Yes, some of the most massive and most luminous stars known are found in the Cygnus OB2 cluster.
Q: Can you give an example of a suspected luminous blue variable found in the cluster?
A: The suspected luminous blue variable Cyg OB2 #12 is one of the stars found in the Cygnus OB2 cluster.
Q: What is the name of one of the largest known stars in the cluster?
A: One of the largest known stars in the Cygnus OB2 cluster is called NML Cygni.
Q: What is the name of the even larger area of star formation that the region is inside?
A: The region is inside an even larger area of star formation called 'Cygnus X'.
Q: How far away is the region from us?
A: The region is about 1,400 parsecs away from us.
