Observations of Type I Supernovae in Distant Galaxies Have Shown

question 55

Multiple Choice

Observations of Type I supernovae in distant galaxies have shown that:

• A) the star formation rate in galaxies decreases with increasing redshift
• B) the expansion rate of the universe is increasing
• C) the cosmological constant is zero
• D) dark energy is negligible at the present time
• E) there were more stars in the past than at the present time

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