Is first extrasolar planet a lost world?

Article Abstract:

Astronomers are debating a paper written by David Gray stating that an extrasolar planet thought to be orbiting the star 51 Pegasi was not there after all. Gray blames mistaken data for the error, but some are calling his conclusions premature.

Author: Glanz, James
Astronomers

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Hints of a planet orbiting sunlike star

Article Abstract:

Astronomers have discovered a wobble in star 51 Pegasi that they theorize is caused by a massive planet orbiting very close to the star. This is the first discovery of a planet orbiting a sunlike star outside the solar system.

Author: Glanz, James
Discovery and exploration

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Worlds around other stars shake planet birth theory

Article Abstract:

The first detections of planets orbiting a sunlike star have altered previous theories about how planets are born. The discoveries are providing information about the variety of possible planetary systems.

Author: Glanz, James
Research, Cover Story, Origin, Planet formation, Plurality of worlds, Planets, Theory of, Kepler's laws

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Subjects list: Observations, Planets, Stars
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