Asteroids are minor planets, especially those of the inner Solar System. The
larger ones have .... The term "asteroid", from the Greek word for "star-like", never
had a formal de...
An asteroid is a large, irregularly shaped object in space that orbits our Sun. If
one of these giant rocks ends up on a collision course with Earth, we are in for
Asteroid definition, Also called minor planet. Astronomy. any of the thousands of
small bodies of from 480 miles (775 km) to less than one mile (1.6 km) in ...
Define asteroid: any one of thousands of small planets that circle around the sun
—asteroid in a sentence.
The ajacent image shows the asteroid Gaspra, as photographed by the Galileo
space probe (Ref). The name asteroids, meaning "star-like", derives from the fact
The definition of an asteroid is a rocky mass that orbits the sun. Facts About
Astroids. More than 1,800 asteroids have been identifed in the solar system.
Astronomy Any of numerous small solar system bodies that revolve around the
sun, with orbits lying chiefly between Mars and Jupiter and characteristic ...
Feb 15, 2013 ... The terms asteroid, meteor, meteorite and meteoroid get tossed around
recklessly, especially when two of them threaten the Earth on the same ...
A small rocky body orbiting the sun. Large numbers of these, ranging e....
Meaning, pronunciation and example sentences, English to English reference
Provides a definition, a history background and pictures related to these bodies.