2 ms·
This explains what M31-V1 is: http://www.nasa.gov/mission_pages/hubble/science/star-v1.html http://www.nasa.gov/mission_pages/hubble/science/star-v1.htm...
by cjg 12y ago
This explains what M31-V1 is:
http://www.nasa.gov/mission_pages/hubble/science/star-v1.html http://www.nasa.gov/mission_pages/hubble/science/star-v1.htm...