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New method may resolve difficulty in measuring universe's expansion（图）
New method difficulty measuring universe
2019/10/23
Astronomers using National Science Foundation radio telescopes have demonstrated how a combination of gravitational-wave and radio observations, along with theoretical modeling, can turn the mergers o...
Peculiar motions, accelerated expansion and the cosmological axis
Peculiar motions accelerated expansion cosmological
2011/10/12
Peculiar velocities change the expansion rate of any observer moving relative to the smooth Hubble flow. As a result, observers in a galaxy like our Milky Way can experience accelerated expansion with...