The Primary Evidence for the Expanding Universe Concept Is The

question 257

Multiple Choice

The primary evidence for the expanding universe concept is the:

• A) slow spreading out of stars in the near neighborhood of the Sun.
• B) redshift of light from distant galaxies, which increases with distance of the galaxy from Earth.
• C) discovery of black holes in binary stars.
• D) slow increase in Earth-Moon separation-about 4 cm per year-with time.

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