Our galaxy might hold thousands of ticking ‘time bombs’


Related images (click to enlarge) In the Hollywood blockbuster “Speed,” a bomb on a bus is rigged to blow up if the bus slows down below 50 miles per hour. The premise — slow down…

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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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