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1 .This is Scientific American 60-Second Space. I'm Clara Moskowitz. Got a minute?

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2 .We finally know our cosmic address.

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3 .For the first time, astronomers have identified our home supercluster,

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4 .a conglomeration of groups of galaxies and larger clusters of galaxies, all interconnected in a stringy web.

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5 .Researchers, led by an astronomer at the University of Hawaii at Manoa, have named this supercluster Laniakea, which means "immense heaven" in Hawaiian.

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6 .Laniakea encompasses 100,000 galaxies stretched out over 500 million light-years.

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7 .Our own Milky Way is just one of these.

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8 .The study is in the journal Nature.

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9 .Superclusters are some of the universe's largest structures, and have boundaries that are tough to define especially from inside one.

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10 .The team used radio telescopes to map out the motions of a large collection of local galaxies.

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11 .Within a given supercluster, all galaxy motions will be directed inward, toward the center of mass.

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12 .In the case of Laniakea, this gravitational focal point is called the Great Attractor,

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13 .and influences the motions of our Local Group of galaxies and all others throughout our supercluster.

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14 .It's time to update our intergalactic maps: Laniakea is home sweet home.

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15 .Thanks for the minute, for Scientific American 60-Second Space. I'm Clara Moskowitz.

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