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The universe is expanding — and it is doing so at the same rate in all directions, according to new measurements that appear to confirm the standard model of cosmology.

Astrophysicist Jeremy Darling of the University of Colorado Boulder came to this conclusion after employing a research strategy known as "real-time cosmology," which seeks out the tiny changes in the universe that occur over human timescales.

The idea of "real-time cosmology" was proposed in two separate papers by Alan Sandage in 1962 and by Harvard astrophysicist Avi Loebin 1998. The possibility of seeing the redshifts of sources changing in real time is thus called the "Sandage-Loeb Test". [The Universe: Big Bang to Now in 10 Easy Steps]

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