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Artist 52 [7]
3 years ago
8

The main source of information used by astronomers to learn about objects in space is A. electromagnetic waves B. Comets C. Mete

orites D.Constellation
Biology
1 answer:
spin [16.1K]3 years ago
7 0

Answer:

D is the answer. Constellations are used for this purpose.

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I'll answer what i can

Answer:

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depending on the person depends on whether its effective or not.

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3 years ago
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