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Home Q & A Board Science-Related Homework Help Physics
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killian killian
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10 years ago
How do astronomers create three-dimensional maps of the universe?
A) Through the comparison of computer models of galaxy formation with observations
B) By using a galaxy's position on the sky and its redshift to determine its distance along the line of sight
C) by using a galaxy's position on the sky and its brightness as a measure of distance along the line of sight
D) by interpreting the peculiar velocities of each galaxy
E) by carefully measuring the parallax of each galaxy
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padrepadre
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10 years ago
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killian Author
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10 years ago
Thanks sir
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