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How Planets Form: Astronomers Weigh a Protoplanetary Disk with Unprecedented Accuracy

By Guest PostFebruary 5, 2013Scienceabundant element, accuracy, amount of hydrogen, astronomers, constellation hydra, discrepancy, dust and gas, dust grains, edwin bergin, european space agency, extra neutron, five solar systems, fraction, gaseous hydrogen, goran pilbratt, herschel space observatory, how planets form, human hair, ilsedore cleeves, jupiter, like earth, Nature, nucleus, orbiting radio telescope, origin of planets, planet building process, planet forming disk, planetary birth, protoplanetary disk, solar systems, starlight, sun, terrestrial worlds, total gas mass, tw hydra, universe, university of michigan, water and carbon, weighing a disc, young star

ANN ARBOR — In a study that gives astronomers new insights into how planets form, research led by the University of Michigan has enabled a dramatically more precise measurement of the amount of dust and gas in the planet-forming disk around a young star.

The findings speak, in a way, to a fundamental question: “Why are we here?” (more…)

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How Planets Form: Astronomers Weigh a Protoplanetary Disk with Unprecedented Accuracy

Billions and Billions of Planets