View Full Version : Astronomers Spot Pebble-Size Dust Grains in the Orion Nebula

2014-Aug-28, 04:10 PM
Stars and planets form out of vast clouds of dust and gas. Small pockets in these clouds collapse under the pull of gravity. But as the pocket shrinks, it spins rapidly, with the outer region flattening into a disk. Eventually the central pocket collapses enough that its high temperature and density allows it to ignite […]

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