Notre Dame astrophysicists identify missing fuel for galactic star formation


The Milky Way will have the fuel to continue forming stars, thanks to massive clouds of ionized gas raining down from its halo and intergalactic space. This is the conclusion of a new study by…

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Mars’ northern polar regions in transition


Related images(click to enlarge) A newly released image from ESA‘s Mars Express shows the north pole of Mars during the red planet’s summer solstice. All the carbon dioxide ice has gone, leaving just a bright…

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