asteroid

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Synonyms for asteroid

planetoid

Synonyms for asteroid

any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)

shaped like a star

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References in periodicals archive ?
Although more severe die-offs wracked the planet in earlier times, the K-T extinctions have captured widespread interest in the dozen years since researchers found evidence linking them to the impact of a huge asteriod or comet.
The scientists, however, added it is still unclear whether the particles are contaminants that may have originated on Earth or come from asteriod Itokawa which the space probe landed on during its multi-billion mile journey.
The basin dates from about 65 million years ago--the border between the Cretaceous and Tertiary periods, when the asteriod is believed to have hit.
What enticed so many people was Petuch's idea that the evolution of the United States' largest tropical wetland began when an asteriod slammed into the region 36 million years ago, at the end of the Eocene epoch.
THREAT OF NEAR-EARTH ASTERIODS AN ASTEROID ENTERS EARTH'S POTENTIALLY THE SIZE OF .
Prof Bode's can now concentrate on saving the Earth from asteriods and violent space explosions called Gamma Ray Bursters (GRBs).