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Answered 2009-01-18 09:23:38

What is the Definison for asteroid


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Any of various very small planets orbiting around a sun.

Yes. By definition a meteoroid is smaller than an asteroid.

When the mass of the asteroid is great enough that its own gravity crushes it into a spherical shape, then technically we ought to call it a "dwarf planet" rather than an asteroid. But this definition is fairly new, and many objects that we call "asteroids" are bigger than that.

There are none. By definition, a supersition does not have a scientific basis.

About 10 meters - by definition. Anything bigger than that is called an asteroid, rather than a meteorite.

There is no "impact asteroid". An asteroid impact however is when an asteroid hits a planet or moon.

The largest asteroid, Ceres, is in the asteroid belt.

The first confirmed case of an asteroid orbiting another asteroid is the asteroid Ida which is orbited by a smaller asteroid orbiting it called Dactyl; other asteroid moons have been found since.

Our solar system's "asteroid belt" (Main Belt) is a belt of small, widely-scattered asteroids between Mars and Jupiter, where the material never formed a single planet. This belt contains the dwarf planet Ceres.

That's right; Ceres is the largest asteroid.

Any of numerous small, often irregularly shaped rocky bodies that orbit the sun primarily in the asteroid belt

Meteoroids. There's no formal distinction between an "asteroid" and a "meteoroid", but one functional definition is, if it's big enough to see it in space through a telescope BEFORE it hits the Earth, it's an asteroid. If it was too small to be seen in space, it's a meteoroid. Obviously, that's a flexible definition that depends on how good our telescopes are....

The biggest asteroid in our solar system is the Ceres asteroid.

The asteroid belt does not have moons: it has asteroids, which is why it is called the asteroid belt!

Main asteroid beltThe asteroid belt

If there is an atmosphere, the light will gradually dim as the asteroid approaches the asteroid.

The asteroid missed the Earth's atmosphere by inches.We will begin asteroid mining soon.

What asteroid? There were several.

An asteroid is a gray and brown.

a rather large asteroid

The density of an asteroid differs.

the asteroid raced across from Mars to Jupiter

An asteroid is a single piece of rock, whereas an asteroid belt is an area that contains millions of individual asteroids.

Every asteroid is different, of course, because of the differing sizes and orbits and compositions. But the "average" asteroid in the asteroid belt is probably in the -150C range.

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