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Asteroids

Asteroids, or planetoids, are rocks larger than meteorites but smaller than planets that orbit around the Sun.

1,071 Questions

Which asteroid will cross the earth in 2036?

Millions of meteors (Shooting stars) [See related question] enter Earths atmosphere everyday. So the odds of one entering Earths atmosphere in 2036 is 100%.

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Well in Ripleys believe it or not, they say a meteor will hit, but don't be to cautious about it because there's no reason to. It's just a load of junk, so don't believe it, please.

Have any asteroids hit the space station?

No, the International Space Station has not been hit by any asteroids. The station is equipped with shielding and tracking systems to help avoid potential collisions with space debris or asteroids. Additionally, precautions are taken to maneuver the station if a potential threat is detected.

How do you stop planet nibiru approaching planet earth without harming inhabitants of nibiru?

There is no scientific evidence to support the existence of Planet Nibiru. If Nibiru were real, one potential way to stop its approach towards Earth without causing harm to its inhabitants would be to use advanced technology to alter Nibiru's trajectory or gravitational force. However, this scenario remains purely hypothetical.

Where can the asteroids be found in the solar system other than the asteroid belt between Mars and Jupiter?

There a number of places:

  • Apollo ring [See related link] which orbit the Earth
  • The Trojans, Greeks and Hildas which are basically in Jupiter's orbit. [See related link for a pictorial]

Most asteroids inhabit the inner solar system, but there will be other astroids in the outer solar system, but not in such concentrations.

How big is 1999 RQ36?

(101955) 1999 RQ36 is the minor planet designation of an Apollo asteroid.

It's size is not precisely known, due to optical limitations and shape but it's estimated to be about 560 metres across.

See related for a "lot" of detail

Which planet did Galileo think might have ears?

It was Saturn, because he thought Saturn's rings looked like ears.

Why are there so many meteorites near earth?

There are hardly any comets, meteorites or asteroids near earth. There are only a few that are millions of kilometers from earth. There are a few that pass earth a bit closer because of the asteroid belt between Mars and Jupiter.

When did an asteroid collide with Mercury?

An asteroid(s) impacted with Mercury many times in it's early formation.

Why the time vary from place to place on earth?

This is so that no matter where one is, the sun correlates with the time. Due to the time zones, the sun is generally overhead at noon, sets around 7-9, and rises around 6. If time zones did not exist, noon would mean different things to people all over the world.

Can you buy an asteroid from the asteroid belt?

Currently, there is no legal framework in place for individuals or companies to own asteroids from the asteroid belt. The Outer Space Treaty, which has been signed by the majority of countries, prohibits nations from owning celestial bodies like asteroids. However, some companies are exploring asteroid mining for resources such as precious metals.

If you were on Jupiter could you see the asteroid belt?

The main asteroid belt is about 1.7 AU from Earth, whereas from Jupiter it would be about 3.3 AU.

From Earth, only the largest asteroids are visible and that's with very good telescopes. So you'd need even better telescopes to see it from Jupiter.

Does an asteroid burn up earths atmosphere?

As soon as the "things" come in contact with the atmosphere; in other words, as soon as the plummeting object reaches air. It should begin occurring in the sphere directly above the stratosphere and last until reaching the ground.

What is the name of the asteroid that will be near earth in 2029?

99942 Apophis is an asteroid where initial observations indicated a small probability (up to 2.7%) that it would strike the Earth in 2029.

Later observations concluded that the asteroid would miss the Earth.

The chances are now set at a one in 3 million that it will hit Earth.

Which theory proposes that the moon was a passing asteroid pulled into orbit by Earth's gravity?

The capture theory says that the moon was originally orbiting the sun, but it passed to near the earth, and became the moon. The biggest problem with this theory is that this action would have created so much heat that it would melt the earth.

Which theory would be most supported if the moon had an irregular shape like an asteroid?

The theory that the moon was formed when a large asteroid collided with the Earth, causing debris to coalesce into the moon, would be most supported. This is known as the Giant Impact Hypothesis, which suggests that the moon's irregular shape would be a result of its violent formation process.

Asteroids are found between the orbits of?

The asteroid belt is located between the orbi of Jupiter and Mars

What evidence is there that an asteroid impacted Earth 65 million years ago?

It has numerous crevices in the face of the Earth as well as the rocks that have been found by archeologists that contain radiation not found on earth and when you find an area that was hit by a large meteor it the debris is spread out over a very large distance showing it had to be broken up and dispersed somehow.

Why are meteorites called meteorites?

Meteorites are called so because they are fragments of asteroids or meteoroids that survive the intense heat and pressure of entering Earth's atmosphere, reaching the surface of the planet. The term "meteorite" is derived from the Greek word "meteoron," which means phenomenon in the sky.

How many earth days equal to 1 day in Ceres?

A day on Ceres is about 9.1 hours long.

9 and a half hours. After one sunrise, the Sun sets about five hours later.
The dwarf planet 1 Ceres rotates around its axis in about 9.1 hours.

If an asteroid is 4 AU from the sun and its period of evolution around the sun is 8 years does it obey Kepler's law?

Yes.

A version of Kepler's 3rd Law is: The square of the period of revolution of

a planet (or asteroid) around the Sun (in Earth years) is equal to the cube of its average distance (in AU from) the Sun.

In this case that means 8 squared (64) should equal 4 cubed (64).

It does.

So, the asteroid is keeping to the Law. Thank goodness for that.

Are asteroid lie within the asteroid belt true or false?

True. Asteroids are rocky objects that orbit the Sun and many of them can be found within the asteroid belt located between Mars and Jupiter.

Is Vesta asteroid a real planet?

It's an asteroid and only an asteroid.

A big one at that, second to Ceres (Dwarf Planet) and there is a possibility that it might be added to dwarf planet status in the near future once it's shape has been confirmed.

How many asteroid belts are there in the solar system?

There seems to only be one major asteroid belt in our solar system. In-between Mars and Jupiter.

Edit:

There are technically 4. "The asteroid belt" between Mars and Jupiter, the "Greeks and Trojans" that follow along Jupiter's elliptical, the Kuiper belt, the final one, is quite far out and though it is effected by our Sun's gravity. It is called the Oort field and orbits between 5,000 and 100,000 AU's from our solar system.

Asteroid going to fall on earth 2012?

There were no known asteroids heading for Earth in 2012. The likelihood of such an event is extremely rare and highly monitored by astronomers. It's important to rely on credible sources for accurate information regarding potential asteroid impacts.

What are some intersting facts about asteroids?

  1. Asteroids are rocky bodies that orbit the sun.
  2. The largest asteroid in our solar system is Ceres, which is classified as a dwarf planet.
  3. Some asteroids have moons orbiting them, such as the asteroid Ida which has a moon named Dactyl.
  4. Asteroids are composed of materials similar to those found in the inner planets, like rock, metal, and sometimes ice.