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 ?
September 1, 2017 - Nasa tracked the Asteriod Florence as it passed earth .
Okamoto of Ibaraki University in Japan and his colleagues now have gleaned new details about the size, composition, and crystal structure of dust within the Beta Pictoris disk, suggest the location of a possible planet as well as of a trio of asteriod or comet belts.
The impact of a 10-kilometer diameter asteriod 65 million years ago wiped out the dinosaurs and 90 percent of the other species on the planet.
Asteriod Rotation Periods * Asteriod Dates of observations Number of observations 971 Alsatia April 1, 3, 4, 5 113 691 Lehigh April 9, 11, 12, 13 137 891 Gunhild April 27, 30; May 1, 2 190 1017 Jacqueline May 4, 5, 7, 9, 10 158 729 Watsonia June 3, 4, 6 to 10 319 1277 Dolores July 3, 4, 5, 7, 9, 10, 11 330 Asteriod Period (days) Amplitude 971 Alsatia 6.
It had been almost a century now since the first asteriod was discovered by Piazzi (see 1802), and others had been discovered in astonishing numbers.
The asteriod was discovered in August 1998 by astronomers working with MIT's Lincoln Near Earth Asteroid Research program in New Mexico.
DSI), the 50-meter-diameter, 190,000 metric-ton Asteriod 2012 DA14 that will make a close inter-orbital pass at Earth on Friday could have as much as $195 billion in mineral resources.
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.