Submitted by mwoo on Wed, 2013-01-02 18:00
Look up at the night sky and you'll see stars, sure. But you're also seeing planets—billions and billions of them. At least.
That's the conclusion of a new study by astronomers at the California Institute of Technology (Caltech) that provides yet more evidence that planetary systems are the cosmic norm. The team made their estimate while analyzing planets orbiting a star called Kepler-32—planets that are representative, they say, of the vast majority in the galaxy and thus serve as a perfect case study for understanding how most planets form.
Submitted by dsmith on Wed, 2012-12-12 17:25
A new era in planetary science began in 1962, when Mariner 2 and the 200-inch Hale telescope simultaneously took a close look at Venus.
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