Friday, February 12, 2010

Which statement concerning dark energy is false?

Which statement concerning dark energy is false?





A-It showed that the Universe is finite in size.


B-Its discovery used white dwarf stars as standard candles.


C-It showed that the Universe was accelerating


D-It showed that Hubble's constant changed with time.Which statement concerning dark energy is false?
C-It showed that the Universe was accelerating





NOTE:


This answer is the best of the four selections but isn't exactly true. Dark energy didn't *show* that the rate of expansion of the universe was increasing but instead is the name given to whatever unknown force might be *causing* the universe to expand more rapidly. This increased rate was determined by studying extremely distant exploding stars in far away galaxies.Which statement concerning dark energy is false?
D - I Think...

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