definitions
  • synonyms

accelerating universe

A phrase used to refer to the discovery that the Hubble expansion is not slowing down, as one would expect if only gravity were acting on the galaxies, but is actually speeding up as time goes by. (See dark energy.)

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Nearby words

accel., accelerando, accelerant, accelerate, accelerated reader, accelerating universe, acceleration, acceleration clause, acceleration coefficient, acceleration of free fall, acceleration of gravity
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.