noun
definition
Any member of the taxonomic class Asteroidea; a starfish
Examples of asteroid in a Sentence
And what would happen if a giant asteroid hit Earth?
They could be used to deflect an asteroid on a collision course with Earth.
The consequence of a bird flu pandemic could be likened to a small asteroid strike in its economic effects.
It seems very unlikely that a ' star wars ' defense program could be used to effectively counteract an asteroid.
Fossils and asteroid Impacts Find out how examining the rocks and fossils around an asteroid impact crater can help us reveal its full effects.
A mosaic of four images of the near-Earth asteroid Eros, taken by the NEAR probe on 14 February 2000.
Juno was the third asteroid to be discovered by astronomers early in the 19th century.
After Pioneer 10 emerged through the asteroid belt, Pioneer 11, was launched on a similar trajectory.
This image is made up from the many pictures received from the NEAR Shoemaker spacecraft as it orbits the asteroid Eros.
The event, entitled ' What are the chances of the Earth being struck by a huge asteroid?
Studies on the beads suggested they were formed in an asteroid impact, but no corresponding crater was found.
The eventual aim is either to establish dominion over the entire asteroid or to depose all the other rulers.
As part of the mission, Hayabusa dropped its tiny lander, Minerva, on the surface of the asteroid.
Saturday 's mission was one of two touch-and-go landings to collect samples of the asteroid 's surface materials.
In this episode, the Enterprise encounters what they think is a large asteroid on a crash course to a populated planet.
Astronomer's asteroid Dr. Ann Gower, former Fellow of New Hall, has been honored by having an asteroid named after her.
Sadly it ain't like that - there's vastly more space than asteroid in the asteroid in the asteroid belt.
Schiaparelli was primarily an observer-his first discovery was of the asteroid Hesperia in 1861-but he had also considerable mathematical gifts, as is shown in his treatment of orbital motions, published in 1864, and in other papers.
The position of the pores near the centre of the ambulacrals in Bothriocidaris need not be regarded as primitive, since other early Palaeozoic genera, not to mention the young of living forms, show that the podia originally passed out between the plates, and were only gradually surrounded by their substance; thus the original structure of the echinoid ambulacra differed from that of the early asteroid in the position of the radial vessels and nerves, which here lie beneath the plates instead of outside them.
The " method of least squares," by which the most probable result can be educed from a body of observational data, was published by Adrien Marie Legendre in 1806, by Carl Friedrich Gauss in his Theoria Motus (1809), which described also a mode of calculating the orbit of a planet from three complete observations, afterwards turned to important account for the recapture of Ceres, the first discovered asteroid (see Planets, Minor).
Mark will be presenting his research on space weathering, a process that modifies planetary and asteroid surfaces over time.
In the 1998 blockbuster Armageddon, for example, the world is poised on the brink of destruction as a tremendous asteroid takes aim at the planet, but when A.J.