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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

Is a star an asteroid?

No. Asteroids are small solar system bodies in orbit around the sun. Stars are massive, luminous balls of plasma that is held together by gravity.

How many moons are in the asteroid belt?

There are no moons in the asteroid belt. Moons are natural satellites that orbit planets, not asteroids. The asteroid belt is located between Mars and Jupiter and is mainly composed of rocky objects that have not coalesced into a larger body.

If you dropped an asteroid through Saturn will it come out the other way?

It is unlikely that an asteroid would come out the other side of Saturn if dropped through it. Saturn's dense atmosphere, strong gravitational pull, and the asteroid's size and composition would likely cause it to break apart or be destroyed before reaching the other side.

Asteroid orbiting the sun every 46 years?

An asteroid orbiting the sun every 46 years would have a long orbital period, placing it in the inner part of the asteroid belt between Mars and Jupiter. Its orbit would likely be relatively stable due to the gravitational influence of the nearby giant planets, with a low eccentricity and inclination compared to objects in more distant orbits.

What tools do scientists use to study asteroids and comets?

Scientists use telescopes, including ground-based and space-based ones like Hubble, to study asteroids and comets. Spacecraft missions, such as NASA's OSIRIS-REx and ESA's Rosetta, are also used to perform close-up studies and sample collection from these celestial bodies. Spectroscopy, radar imaging, and infrared observations are common techniques used to analyze their composition and characteristics.

What are the components of asteroids?

The main components of asteroids are rock and metal. They can also contain organic compounds, silicate minerals, carbonaceous materials, and sometimes water ice. Asteroids come in various compositions depending on their location in the solar system.

Why are there not meteors in craters caused by meteor strikes?

Technically, once a meteor reachest the surface, it is no longer a mateor but a meteorite. In very large impacts, the impacting object can be vaporized by the heat generate. Smaller objects may be shattered by the force of impact or buried as the side of the crater collapse. Additionaly, to the untrained eye, a meteorite can be hard to distinguish from an ordinary rock.

Scientists have found a huge underwater crater in Mexico that they believe could be linked to the extinction of the dinosaurs What event 65 million years ago most likely caused this crater?

The event that was marked by an asteroid hitting the Earth 65.5 million years ago near modern day Chixulub in the Yucatan Peninsula in Mexico is known as the K-T or Cretaceous-Tertiary Extinction Event.

What are the rocky planets in order of their distance from the sun?

In order of their distance from the sun, the rocky planets are Mercury, Venus, Earth, and Mars.

Which planets have an asteroid belt in between them?

The main asteroid belt is a rather broad band ring situated between Mars and Jupiter. Its inner edge (and average distance) is closer to the orbit of Mars than the outer edge is to Jupiter, making planet Mars the closest.

Note that Ceres, once identified as a planet, is inside the asteroid belt itself - but now classified as a dwarf planet (or the largest astroid).

How is Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they?

Primitive meteorites can be distinguished from other meteorites and terrestrial rocks because they contain primitive materials like chondrules, which are tiny spherical particles that formed in the early solar system. These meteorites also have a different chemical composition compared to most Earth rocks, with high concentrations of elements like iridium and noble gases. Additionally, primitive meteorites often exhibit a lack of alteration or melting, preserving their original characteristics from the early solar system.

What is the size of a SMALL asteroids?

Asteroids are rocks that are in orbit around the sun. The size of each asteroid varies greatly. The largest one on record was over 500 miles across, while the smallest was just 20 feet across.

Are meteoroids and asteroids the same?

Asteroid: a large rock with its own orbit around the sun; most of them lie between the orbits of Mars and Jupiter. These rarely hit Earth, but it has happened. Meteor: a small piece of rock, ice, or dust that enters earth's atmosphere and quickly burns up as a result of high-speed friction with the gas molecules in our upper atmosphere, creating what is commonly known as a "shooting star." Meteoroid: a small particle of rock, ice, or dust floating around in space that hasn't entered our atmosphere yet. Meteorite: a small particle of rock that enters our atmosphere and has enough mass to survive the atmospheric entry process and actually impacts somewhere on Earth's surface.

How does an asteroid move through space?

Meteors are pieces of rock, ice or other debris from outer space that fall into the earth's atmosphere. Meteorites are the remnants of those objects that manage to make it all the way to the earth's surface without burning up.

When did asteroids hit Jupiter?

The Minor Planet center has cataloged 279,722 minor planets which are asteroids, comets, and dwarf planets. Considering asteroids and comets are in some ways related bodies in the fact that they do not have hydrostatic equilibrium; we only have to subtract the four dwarf planets leaving us with 279,718 asteroids and comets discovered so far.

What are 3 differences between asteroid and satellite?

  1. Asteroids are celestial objects made of rock or metal that orbit the sun, while satellites are artificial objects placed in orbit around a planet or moon.
  2. Asteroids vary in size from a few meters to hundreds of kilometers, while satellites are typically much smaller in size and are man-made.
  3. Asteroids can be found throughout the solar system, while satellites are specifically designed and launched by humans for various purposes such as communication, navigation, or scientific research.

Which planet has at least 27 moons?

Uranus has at least 27 moons. It is the seventh planet from the Sun and is known for its tilting axis which causes extreme seasons.

The chief reason the asteroid belt formed is because?

of the gravitational influence of Jupiter, which prevented the small celestial bodies in the region from coalescing into a planet. This gravitational interference disrupted the normal process of planetary formation in this region of the solar system, leading to the creation of the asteroid belt.

What two planets is the asteroid belt in our solar system between?

The Asteroid Belt orbits between Mars and Jupiter, at about 3 AU. There are several objects not properly classified as asteroids orbiting within the belt, mainly the dwarf planet Ceres and the protoplanets Vesta and Pallas.

Most asteroids orbit the sun in the?

Actually there are an place of Asteroids.

Sun

Mercury

Venus

Earth

Mars

ASTEROID Belt.

So why I capitalized the word ASTEROID on ASTEROID Belt.

Because this Belt is full of Asteroids

Do you think the government should spend money to locate near-Earth asteroids?

Yes. An asteroid of sufficient size has the potential to wipe out a good percentage of the Earths population. Identifying those asteroids in advance enables us to determine their potential threat and thus enabling us to intercept them before they impact on Earth.

You know that there are large gaps in the average distances of asteroids from the Sun within the asteroid belt because you?

Different gravitational interactions and collisions have created these gaps, known as the Kirkwood gaps, by exerting influence on the asteroids' orbits, causing some orbits to become more stable in certain regions while leaving gaps in others. This phenomenon is a result of resonances with Jupiter's gravity perturbing the asteroid orbits over time.

Only asteroids collide with Earth?

It is not just asteroids that can collide with Earth. Other celestial bodies such as comets and meteoroids can also collide with Earth, although the likelihood and impact of these collisions vary. Governments and space agencies monitor space objects to track potential collision risks and take steps to mitigate any threats.

What color and how big is a meteoroid?

Meteoroids can vary in color from gray to black, depending on their composition. In terms of size, most meteoroids are quite small, ranging from the size of a grain of sand to a few meters in diameter.