Infographic of the Day: Biggest Structure in the Universe

January 30th, 2013
in econ_news, syndication

Astronomers have discovered a huge formation of 73 quasars representing the largest structure yet observed in the universe.  The quasar group is very distant, and therefore existed when the universe was much younger than it is now. A quasar is a very energetic black-hole-powered galactic nucleus. Quasars first appeared in the very early universe, soon after the Big Bang. The light from a quasar is so intense that it can be visible from across the universe.

Follow up:

A remarkable thing about the new discovery is that the structure is larger than cosmological theory says is possible. [Blueprint of the Universe (Video Show)]  The currently accepted Cosmological Principle, based on the work of Albert Einstein, suggests that the largest structures we should be able to find would be about 370 megaparsecs across (more than 1.2 billion light-years). The newly found quasar group is 1,200 megaparsecs across, a distance that would take four billion years to cross at the speed of light.

Find out about why the biggest structure in the universe shouldn't even exist, in this infographic.
Source All about our solar system, outer space and exploration

The largest structures that we know that are close to Earth are super clusters of galaxies surrounding vast voids in space. The Sloan Great Wall is the largest such structure and is at the top end of the size limit set by the Cosmological Principle.



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