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Meteoroid vs. Asteroid — What's the Difference?

Meteoroid vs. Asteroid — What's the Difference?

Difference Between Meteoroid and Asteroid

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Meteoroid

A meteoroid () is a small rocky or metallic body in outer space. Meteoroids are significantly smaller than asteroids, and range in size from small grains to one-meter-wide objects.

Asteroid

An asteroid is a minor planet of the inner Solar System. Historically, these terms have been applied to any astronomical object orbiting the Sun that did not resolve into a disc in a telescope and was not observed to have characteristics of an active comet such as a tail.

Meteoroid

A solid body, moving in interplanetary space, that is smaller than an asteroid and at least as large as a speck of dust.

Asteroid

(Astronomy) Any of numerous small solar system bodies that revolve around the sun, with orbits lying chiefly between Mars and Jupiter and characteristic diameters roughly between one and several hundred kilometers. Also called minor planet, planetoid.

Meteoroid

(astronomy) A relatively small (sand- to boulder-sized) fragment of debris in a star system that produces a meteor when it hits the atmosphere
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Asteroid

(Zoology) See starfish.

Meteoroid

A small body moving through space, or revolving about the sun, which on entering the earth's atmosphere would be deflagrated and appear as a meteor.
These bodies [small, solid bodies] before they come into the air, I call meteoroids.

Asteroid

Star-shaped.

Meteoroid

(astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere

Asteroid

(zoology) Any member of the taxonomic class Asteroidea; a starfish

Asteroid

(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.

Asteroid

(astronomy) In the Solar system, such a body that orbits within the orbit of Jupiter

Asteroid

A starlike body; esp. one of the numerous small planets whose orbits lie between those of Mars and Jupiter; - called also planetoids and minor planets.

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)

Asteroid

Shaped like a star

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