Multiple Choice
If a dwarf elliptical galaxy has an absolute magnitude of -15 and could be detected to an apparent magnitude of +20,how far away could such a galaxy be and still be detected?
A) 100 kiloparsecs
B) 1 megaparsec
C) 10 megaparsecs
D) 100 megaparsecs
Correct Answer:

Verified
Correct Answer:
Verified
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