Imagine That Hubble Discovered That the Recession Velocity of a Galaxy

question 68

Multiple Choice

Imagine that Hubble discovered that the recession velocity of a galaxy increased proportionally to the square of the galaxy's distance from the Milky Way.Which of the following would NOT be true?

• A) Astronomers could calculate a galaxy's distance from its redshift.
• B) The density of the Universe would decrease with time.
• C) Astronomers would observe more distance galaxies as they were farther back in time.
• D) Astronomers in any other galaxy would measure the same relationship.

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Definitions:

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A financial metric that measures a company's ability to meet its debt obligations by comparing its income before interest and taxes to its interest expenses.

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