Tue October 16, 2012 By:

do galaxies have their own light ?

Expert Reply
Fri October 19, 2012
Galaxy is not a source of light.
It is  a collection of heavenly bodies, not a heavnly body itself. Thus it is consist of many bodies which are a source of light but it doesnt mean that it is a source of light.
Sat September 23, 2017


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