Astrophysicists come up with most complete 3D map of universe
Astrophysicists from the University of Waterloo have managed to create the best yet 3D map of the universe. It spans almost two billion light years and it is hoped it could help better understand how space is expanding and give insights into dark matter.
A white cross marks the Milky Way galaxy, which is home to planet Earth. Regions with a number of galaxies are marked in light blue or white, while the red area is the Shapley Concentration, which has a huge number of galaxies in very close proximity to one another.
In contrast the dark blue areas have few galaxies. The edge of the map, which is a uniformed blue color has not been explored yet.
Even though humans will not visit deep space anytime soon, having a map will prove useful because it will be able to show how the universe is expanding. Scientists have found that galaxies move differently. Our Milky Way and its neighbor Andromeda are, for example, moving with a speed of two million kilometers per hour.
Professor Michael Hudson, Jonathan Carrick and Stephan Turnbull from the Department of Physics and Astronomy at the University of Waterloo and Guilhem Lavaux of the Institute d’Astrophysique de Paris, created the map.
“The galaxy distribution isn’t uniform and has no pattern. It has peaks and valleys much like a mountain range. This is what we expect if the large-scale structure originates from quantum fluctuations in the early universe,” said Hudson, according to Phys.org.
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