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There are four major ways in which researchers are hunting for planets. Technically, these are called astrometry, spectroscopy, interferometry, and photometry. For descriptive purposes, however, I refer to them respectively as the wobble method, the speed-trap technique, the zebra-stripe procedure, and the shadow approach.
Paul Halpern
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Stars are not shy. They make their presence known for trillions of miles around them by the generous stream of radiation that they cast off each second into space.
Paul Halpern
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Wars and elections are both too big and too small to matter in the long run. The daily work—that goes on, it adds up.
Barbara Kingsolver
Paul Halpern
Born:
January 15, 1961
(age 63)
Bio:
Paul Halpern is an American Professor of Physics, and Fellow in the Humanities at the University of the Sciences in Philadelphia.
Known for:
What's science ever done for us? (2007)
The cyclical serpent (1995)
Brave New Universe (2006)
Paul Halpern on Wikipedia
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