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Asteroids may be NEO's or Near Earth Objects on a regular orbit around the Sun. The terms "inner grazer" and "outer grazer" describe their orbits, as reaching Earth orbit from either closer to the Sun or farther from the Sun than Earth is.
Meteoroids will occasionally enter the Earth's atmosphere at too shallow an angle, become "earth-grazing fireballs" and then exit the atmosphere again.
What else can I help you with?
Do asteroids come close to the earth?
They can.
Why are some asteroid called neo's?
In dicussing asteroids, NEO stands for Near-Earth Object. NEOs are asteroids whose orbits come close to or cross Earth's. This creates a potential hazard for a collision.
Do comets or asteroids come close to earth?
Yes
What are facts about Apollo asteroids?
Apollo asteroids are a group of near-Earth asteroids with orbits that intersect with Earth's orbit. They are named after the first asteroid of this group discovered, 1862 Apollo. Some Apollo asteroids are classified as potentially hazardous asteroids due to their close approach to Earth.
Why asteroids frequently visit earth?
Asteroids frequently visit Earth because many of them pass very close to the Earth's orbit around the Sun. ~E. Plaga
What asteroid group does eros belong to?
Eros belongs to the Amor asteroid group, which are a class of near-Earth asteroids that have orbits that bring them close to Earth's orbit. Amor asteroids are named after the asteroid 1221 Amor, which was discovered in 1932.
Why are scientists concerned about near-Earth asteroids?
Asteroids, even very large ones, actually come close to earth regularly and cause no harm and no effect on life on earth. The concern would be a large asteroid crashing into the earth.
What are NEAs?
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 www.spaceweather.com. 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.
What are the names of the asteroids that cross Earth's orbit and Jupiter's orbit?
Main Belt asteroids -- a band of asteroids located in the "missing planet" gap between Mars and Jupiter. None of these are economically attractive in a near term program because they are too far from Earth.Amor asteroids -- asteroids whose orbits approach but do not cross Earth orbit, and whose orbits are further from the Sun than Earth's orbit (i.e., "outside-t" Earth orbit). Many have orbits which reside entirely between Earth and Mars. Some of these are economically attractive in the near term.Apollo asteroids -- asteroids whose orbits cross Earth's orbit. Apollo asteroids spend most of their time outside Earth orbit. Many of these are economically attractive in the near term.Aten asteroids -- asteroids whose orbits cross Earth's orbit. Unlike Apollos, Atens spend most of their time inside Earth orbit. A large percentage of known Atens are economically attractive in the near term.
What are asteroids and how do they affect Earth in a way that kids can understand?
Asteroids are rocky objects that orbit the Sun, and sometimes they can come close to Earth. When an asteroid collides with Earth, it can cause a big explosion, like a giant firework. This explosion can create a lot of heat and dust, which can block out sunlight and affect the Earth's climate. Scientists study asteroids to understand their movements and protect Earth from potential impacts.
What planet has an asteroid?
The Mercury, Venus, Earth and Mars have many asteroids - they are contained in a belt called the Apollo Asteroids [See related question]
When is an aseriod next predicted to hit the earth?
There are currently no known asteroids predicted to hit the Earth in the near future. Scientists continuously monitor asteroids and comets that come close to Earth, and there are no imminent threats at this time.
