News tagged with collision

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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 ...

Mar 26, 2012
4.7 / 5 (3) 0 | with audio podcast

The Dragon clash

NGC 5907 is a spiral galaxy lying in the Dragon constellation, showing extraordinary large loops and currents of stars in its surrounding halo. According to researchers, it could have been formed through a ...

Feb 23, 2012
4.5 / 5 (6) 0

The survivors of a 13 billion year old massacre

(PhysOrg.com) -- Our Milky Way galaxy is surrounded by some 200 compact groups of stars, containing up to a million stars each. At 13 billion years of age, these globular clusters are almost as old as the ...

Feb 14, 2012
4.8 / 5 (9) 1 | with audio podcast