Search Results for: exoplanet
367 results
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AstronomyOne star, five planets
With the discovery of a fifth planet circling the nearby star 55 Cancri, astronomers have found the most abundant—and heaviest—planetary system beyond the sun's.
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Planetary Science
Dusty Clues: Study suggests no dearth of Earths
A new study suggests that many, or perhaps most, sunlike stars have planets much like Earth.
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Planetary Science
Deep Impact and Stardust: Still on assignment
Two sturdy NASA spacecraft have new assignments, studying comets and looking for exoplanets.
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Humans
Science News of the Year 2007
A review of important scientific achievements reported in Science News during the past year.
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19562
It seems to me that “Earthlike” is overused in the media. One always ends up using too many qualifiers. Gliese 876’s orbit is very un-Earthlike, and its mass is too. Let’s wait until the star-to-planet distance of a future exoplanet ranges from that of Venus to Mars and the mass is no more than twice […]
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Humans
Letters from the August 13, 2005, issue of Science News
Bay listen It was interesting to read of processing mundane noise to produce an ultrasound image of the geology of Los Angeles (“Seismic noise can yield maps of Earth’s crust,” SN: 6/11/05, p. 382). A big question in the state is the deep structure of San Francisco Bay. Clearly, the bay and the valleys extending […]
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Planetary Science
Tiny scope spies distant planet
Using a telescope not much bigger than Galileo's, astronomers have discovered a planet orbiting a star 500 light-years from Earth.