30 Jul '14, 3pm

MILKY WEIGH: Scientists have managed to accurately measure the mass of the galaxy

LONDON: The Milky Way galaxy is lighter than previously thought, according to new research published by British-based scientists on Wednesday (July 30). The study led by the University of Edinburgh is the first time that scientists have been able to measure accurately the mass of the galaxy that contains our solar system, the researchers said. The Milky Way was found to contain only half the mass of its neighbour Andromeda, which has a similar spiral structure to our own. "We always suspected that Andromeda is more massive than the Milky Way, but weighting both galaxies simultaneously proved to be extremely challenging," said Doctor Jorge Penarrubia, who led the study. The research concluded that the extra mass of the Andromeda galaxy was down to dark matter, a little-understood invisible substance that accounts for most of the outer regions of galaxies. The scientists est...

Full article: http://www.channelnewsasia.com/news/lifestyle/milky-weigh...

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