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Most quasars live on snacks, not large meals

(Phys.org) -- Black holes in the early universe needed a few snacks rather than one giant meal to fuel their quasars and help them grow, according to observations from NASA's Spitzer and Hubble space telescopes.

dateJun 20, 2012 in Astronomy
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Judges, journalists clash over courtroom tweets

(AP) -- Getting news from a big trial once took days, moving at the speed of a carrier pigeon or an express pony. The telegraph and telephone cut that time dramatically, as did live television broadcasts.

dateApr 16, 2012 in Internet
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The earliest stages of planet formation

(PhysOrg.com) -- Small dust particles in a disk of gas around a young star, according to current models, gradually coagulate during the first million years until kilometer-sized objects are formed. These in ...

dateMar 26, 2012 in Astronomy
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