* Astronomy

Large water reservoirs at the dawn of stellar birth

ESA's Herschel space observatory has discovered enough water vapour to fill Earth's oceans more than 2000 times over, in a gas and dust cloud that is on the verge of collapsing into a new Sun-like star.
Stars form within cold, dark clouds of gas and dust - 'pre-stellar cores' - that contain all the ingredients to make solar systems like our own.
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