In the past, it has always been difficult to
accurately measure the distances between things in the universe due to it being
so big. However, a team of researchers on the Baryon Oscillation Spectroscopic Survey can now measure distances
between galaxies with 1 percent accuracy.
The researchers used things called baryon acoustic
oscillations as a kind of galactic ruler. This generated an exact value of
measurement, giving the possibility of measuring huge distances precisely.
This development has led to another step in getting a
clearer picture on how big the universe is.
Article: http://gizmodo.com/the-universe-can-now-be-measured-to-1-accuracy-1497764992
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