asteroid

IPA: ˈæstɝɔɪd

(astronomy) A naturally occurring solid object, which is smaller than a planet, larger than a meteoroid and not a comet, that orbits a star and often has an irregular shape.
(astronomy) In the Solar system, such a body that orbits within the orbit of Jupiter
(zoology) Any member of the taxonomic class Asteroidea; a starfish.

Examples of "asteroid" in Sentences

Do we know when the next asteroid is going to hit?
A large asteroid is on a collision course with Earth.
An asteroid is going to come whizzing by, as the Bad Astronomer points out.
* And the only thing that can stop this asteroid is your liberal arts degree.
Real Science: New radar observations have revealed that a near-Earth asteroid is actually three rocks.
What if we go back to the GOOOOOOOOOOOLLLLLLLLLLLDDDDD standard, but the asteroid is made of GOOOOOOOOOOLLLLLLLLLLD?
Whatâ€ ™ s the trajectory of the asteroid? â€ â€œTracking stations report that the asteroid is heading out of the ecliptic.
That means no posting here for a day or two (unless something important happens like NASA announces an asteroid is heading toward earth).
The explanation for the 'asteroid' is a rather interesting SF-nal idea, but Roberts doesn't really go anywhere with it, he leaves it hanging.