How can you tell asteroids collide with earth?


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2010-06-15 16:46:32
2010-06-15 16:46:32

Craters are a significant sign of collisions with asteroids therefore yes asteroids collide with Earth

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comets meteors and metorites do

Numerous asteroids are in constant motion around the earth, infinitely tracing their orbits. Occasionally some will collide or break down and fall as bits of meteor to Earth.

As with any massive collision there are chunks of debris. Many times asteroids from the asteroid belt that collide are sent hurling out of the belt. This is where a large portion of meteors an near earth objects come from.

It doesn't. In an estimated 23 years, a belt of asteroids will collide with the earth.

Near-Earth asteroids have some potential to collide with Earth. The effects of an impact, even from a relatively small asteroid, could be devastating. So, scientists are working to find objects that might collide with Earth. If one is shown to be a substantial danger, then strategies for deflecting it to miss earth may be discussed.

When the two orbits intersect, they will collide. Most asteroids are in orbit around the Sun, as the Earth is. They seldom cross paths, making an impact pretty rare. Most asteroids are large enough to easily make it through the Earth's atmosphere.

This would happen, space junk could collide with asteroids, but most space junk is close to the earth, away from the main asteroid belt. It would be more likely to collide with meteroids and other bits of space junk.

The evidence that asteroids have collided with earth before, depends on the surface. The way you can find this if there is unusual shapes in the ground( e.g. really deep ditch, that is too big for a human too dig).

Asteroids are big or small chunks of other planets that have been knocked off by other asteroids when they collide.

Most asteroids are in the Asteroid Belt between Mars and Jupiter. But a few do come close to the Earth; these are called Near Earth Asteroids. You can see a list of NEAs, and the dates that they will come closest to the Earth, at Asteroids and comets have collided with the Earth in the past, and someday one will collide with Earth in the future. Depending on the mass of the asteroid, the damage could be catastrophic. 65 million years ago, scientists now believe that an asteroid or comet hit the Earth, causing the extinction of the dinosaurs and most life on Earth.

Asteroids that occasionally cross the orbit of Earth are known as Near Earth Asteroids. Asteroids that both cross the orbit of the Earth and are large enough to pose a significant threat in the event of an impact are known as Potentially Hazardous Asteroids.

asteroids vary in size from rock size to earth size and bigger.

The asteroids were coming fast to earth

We know that asteroids have hit the earth because they cause indentations when they hit.

It is possible for comets and asteroids to hit Earth, but they are extremely rare events.

Asteroids are big rocks. When big rocks collide, the result is a lot of smaller rocks. It will look a LOT like this link, below.

No. Asteroids can hit anywhere on earth.

any asteroids that collide with the planet containing ice deposit it on the surface

No, it is not true. They do hit planets sometimes.

The planets in the solar system are in well-spaced out, stable, roughly circular orbits - they don't come close enough to collide with each other. Asteroids and comets, however, are on more elliptical, unstable orbits that often cross the orbits of the planets, and sometimes planets collide with asteroids and comets.

Asteroids hit Jupiter every earth day, which I could not tell you how many days we go through before Jupiter goes through one...but they do happen.

There are millions of asteroids, each in its own orbit. (Although they do collide, sometimes.) The majority of the asteroids are in the "asteroid belt", a broad area between the orbits of Mars and Jupiter. But there are many asteroids outside that range, including some that sometimes come fairly close to the Earth.Just picking a random one: 4,650,000 miles.

Comets and Asteroids can affect the Earth by ...A Asteroid hitting Earth and causing a crater and a Comet can cause excitement on Earth if they are spotted.

Sometimes. We call them "asteroids" when we see them floating in space. Occasionally, one of them (or a piece of one) will collide with the Earth's atmosphere, and it will burn up as a meteor.

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