eldavojohn writes "Physorg is running an interesting article on the most recent of Hubble's accomplishments. It has provided us evidence supporting that which Emmanuel Kant proposed over 200 years ago — that planets do indeed form from disks of gas and dust that surround stars. The trick, apparently, was observing many cases where a star's planet forms on the exact same circumstellar disk as the dust and gas. Hubble also aided the researchers in determining the weight of many extrasolar planets. Some had contended that these were not planets but rather brown dwarf stars — which is determined by measuring their weight."
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Hubble Reinforces Planet Formation Theory
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