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News Release Archive:

News Release 191 of 953

July 22, 2010 09:00 AM (EDT)

News Release Number: STScI-2010-19

Hyperfast Star Was Booted from Milky Way

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Image: Going, Going, Gone: Star Leaves the Milky Way

Going, Going, Gone: Star Leaves the Milky WaySTScI-PRC2010-19a Artist's Concept

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ABOUT THIS IMAGE:

In this illustration, the hot, blue star HE 0437-5439 has been tossed out of the center of our Milky Way galaxy with enough speed to escape the galaxy's gravitational clutches. The stellar outcast is rocketing through the Milky Way's distant outskirts at 1.6 million miles an hour, high above the galaxy's disk, about 200,000 light-years from the center. The star is destined to roam intergalactic space.

Image Type: Illustration

Illustration Credit: NASA, ESA, and G. Bacon (STScI)

Science Credit: NASA, ESA, O. Gnedin (University of Michigan, Ann Arbor), and W. Brown (Harvard-Smithsonian Center for Astrophysics, Cambridge, Mass.)

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