interacting galaxies
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by
nazarm
Do these galaxies actually interact or just an overlapping view planes ?
Posted
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by
Budgieye
moderator
You can find their distances from the redshift z
Little in center z- 0.0251 http://skyserver.sdss.org/dr9/en/tools/explore/obj.asp?id=1237668293912821788
Big on right z= 0.017 http://skyserver.sdss.org/dr9/en/tools/explore/obj.asp?id=1237668293912821786
How far away is the galaxy? http://www.wolframalpha.com/input/?i=redshift+z%3D0.03&a=FSelect_**LookbackTimeFromRedshift--
If the galaxies are less than a million light-years apart, then they might be interacting.
Posted