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Measuring the _____ was used by astronomers to calculate how long ago the galaxies were all together at a single point?
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Measuring the _____ was used by astronomers to calculate how long ago the galaxies were all together at a single point?

User Jafar Khoshtabiat
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1 Answer

2 votes

Answer:

Parallax

Step-by-step explanation:

User David Cobb
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