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Alan Boss: Finding Exoplanets
Alan Boss: Finding Exoplanets
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The One-and-a-Half Percent Solution
Topic:
New Planets
07/11/05
In the past decade, more than 130 extrasolar planets have been discovered. Almost all have been found using a technique that measures tiny changes in a star's radial velocity, the speed of its motion relative to Earth. Astronomer Alan Boss tells the story how the first of these discoveries came about.
The Barnard's Star Blunder
Topic:
New Planets
07/06/05
The existence of extrasolar planets has become common knowledge in the past decade. But in the mid-20th Century, the search for worlds orbiting other stars got off to a rocky start. Alan Boss, an astronomer with the Carnegie Institution of Washington, recounts the early days of extrasolar planet-hunting.
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