what are blue shifts?

Subject: what are blue shifts?

Date: Tue Jul 31 03:01:03 2001
Posted by Catherine
Grade level: 10-12 School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Astronomy
ID: 996562863.As

Message:


i would just like to know what blue shifts are they and how they affect the 
expansion of the universe.

Re: what are blue shifts?

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