Competing gravity of galactic clouds probably caused band of gas

05/22/2013 | Nature (free content)

A gravitational tug-of-war between the Large Magellanic Cloud and the Small Magellanic Cloud may be responsible for the huge ribbon of gas at the halo of the Milky Way. Astronomers in the U.S. and Germany measured how much oxygen and sulphur there is in the Magellanic Stream by looking at how they absorbed ultraviolet light coming from distant galaxies to form their conclusion that the ribbon of gas probably comes from both galaxies.

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