Scientists have discovered a massive halo around our nearest neighboring
galaxy, Andromeda, a finding that could shed light on the structure of majestic
spirals in the universe.
Using data from NASA's Hubble Space Telescope, the dark, nearly invisible halo was calculated to be about six times larger and 1,000 times more massive than previously measured. The halo stretches about a million light-years from its host galaxy and halfway to our own Milky Way galaxy.
Article:
http://www.cbsnews.com/news/hubble-space-telescope-finds-massive-halo-around-andromeda-galaxy/
Image:
This diagram shows how scientists determined the size of the halo of the Andromeda galaxy. NASA, ESA, AND A. FEILD (STSCI)
Using data from NASA's Hubble Space Telescope, the dark, nearly invisible halo was calculated to be about six times larger and 1,000 times more massive than previously measured. The halo stretches about a million light-years from its host galaxy and halfway to our own Milky Way galaxy.
Article:
http://www.cbsnews.com/news/hubble-space-telescope-finds-massive-halo-around-andromeda-galaxy/
Image:
This diagram shows how scientists determined the size of the halo of the Andromeda galaxy. NASA, ESA, AND A. FEILD (STSCI)
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