A 3D map of the Universe spanning 12 to 14.5 billion light years. Credit: NAOJ; Partial data supplied by: CFHT, SDSS
An international team has made a 3D map of 3000 galaxies 13 billion light years from Earth, and found that Einstein’s general theory of relativity is still valid. Since it was discovered in the late 1990s that the universe is expanding at an accelerated rate, scientists have been trying to explain why. The mysterious dark energy could be driving acceleration, or Einstein’s theory of general relativity, which says gravity warps space and time, could be breaking down.
To test Einstein’s theory, a team of researchers used FastSound Survey data on more than 3000 distant galaxies to analyze their velocities and clustering...
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