Celestial 'string of pearls' joins two elliptical, merging galaxies

July 13, 2014 12:55 PM

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Astronomers say the Hubble Space telescope spotted a unique "string of pearls" in space, comprised of clusters of young blue stars surrounding the centers of two colliding elliptical galaxies.

The twisting "string," around 100,000 light years across and containing a blue star cluster spaced about every 3,000 light years on its span, was probably created by material increasing in density as the two galaxies collided, they say.

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