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Even our galaxy is a mere speck in a larger structure, which was just revealed for the first time by a group of scientists who created a map of more than 8,000 galaxies in an effort to understand where they fit in the universe.
The team placed the Milky Way on the outskirts of a massive, previously unknown galaxy supercluster scientists have named Laniakea, from the Hawaiian words for "immeasurable heaven."
The technique enables astronomers for the first time to clearly delineate where one supercluster of galaxies ends and another begins.
The new maps show that the Milky Way galaxy, along with the Virgo cluster and some 100,000 other galaxies, is gravitationally sailing in the same gigantic cosmic pool, named Laniakea.
Most galaxies are pulled toward the heart of a supercluster, a dense center called the great attractor. In Laniakea, even though our galaxy is far, far away on the edge of the system, we're still being pulled by the great attractor's gravity.
The supercluster spans some 520 million light-years in diameter. One light-year is the distance that light, which moves at about 186,000 miles per second (300,000 km/s), travels in one year, or roughly 5.88 trillion miles (9.46 trillion km).
"We haven’t seen the edges of our neighbors, and we haven’t seen far enough to understand what’s causing this full motion of our galaxy,” Tully said in an interview.
originally posted by: Stormdancer777
reminds me of brain circuity
originally posted by: boymonkey74
a reply to: Stormdancer777
I thought that also.
Maybe the universe is my brain!!
It always amazes me on how big it all is..mind blown OP cheers.