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SpaceTT: Astronomers discover largest objects in known universe

Astronomers find largest object in universe, millions of times larger than our galaxy
| Science, Space & Robotics News | Posted: Jan 15, 2013 2:46 pm

A multinational team of astronomers have discovered the largest objects in the known universe. In research led by the University of Central Lancashire, the team recently observed a large quasar group comprised of dozens of highly energetic "star-like" objects.




Each object averages about 500 Megaparsecs, with the entire group being close to 1,200 Megaparsecs at its widest point. If that makes no sense to you, the distance between our Milky Way, and our closest neighboring galaxy, Andromeda, is about 0.75 Megaparsecs. If this new object was within 100 light-years of Earth, it would dominate the entire night sky. For those who are curious, 1 Megaparsec equals 3,261,633.44 light years.


This discovery will have huge implications on the study of cosmology. Einstein's Cosmological Principal states that the universe looks the same regardless of the observation point when viewed at a large enough scale. If you combine this principal with modern theories, we shouldn't be able to find objects larger than 370Mpc. This new quasar group is not the first to question Einstein's theory either. Other smaller objects have been discovered that add weight to the challenge.


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