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by flyer53
Fri Feb 12, 2016 5:01 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Two Black Holes Merge (2016 Feb 12)
Replies: 67
Views: 15231

the two black holes

I'm no astronomer, but I have a question on the two recently identified black holes that merged into one. It was stated that the event occurred 1 billion light years ago. I think I grasp the concept of light years equalling time and distance. But, if that is the case and the universe is expanding as...