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- Thu May 21, 2015 7:06 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: NGC 6240: Merging Galaxies (2015 May 21)
- Replies: 48
- Views: 9364
Re: APOD: NGC 6240: Merging Galaxies (2015 May 21)
After 400 million years have the two Galaxies completed the merger? In almost every reasonable interpretation, they are as we see them. Because time and space are tied together, and "now" is generally defined by the speed of light. It would be better to ask what this particular collision ...