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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

Can you see the astroidbelt from Jupiter?

Yes, the asteroid belt can be seen from Jupiter. However, the asteroids within the belt are very small and sparse, making it difficult to see them with the naked eye. Astronomers use telescopes to study and observe the asteroid belt in more detail.

What is the difference between an asteroid and sedna?

Minor Planet number 90377 Sedna has never been moved from the asteroid classification. The IAU hasn't received enough data to say it is a dwarf planet because observations to check for things like hydrostatic equilibrium is so difficult for an object in the far out scattered disc section it resides in. Asteroids do not have hydrostatic equilibrium whereas Dwarf Planets do. Sedna may very well qualify as a Dwarf Planet; we just don't know yet.

Why might asteroids be of interest in space exploration?

Asteroids are of interest in space exploration because they offer valuable resources such as water, metals, and minerals that could be used for future space missions or even to support human settlements in space. They also provide insight into the early solar system and could potentially be a threat to Earth if their orbit brings them too close to our planet.

How big was the asteroid that hit russia?

The Meteorite that impacted russia on 15th feb 2013 was15-metres in diameter and weighed around 7,000 tonnes. Hitting the atmosphere at 18 kilometres per second it blasted out windows and caused light structural damage.

Was it a meteor or an asteroid that killed the dinosaur's?

scientists don't know, it could have been loss of food, they probably ate dead ones until nothing was there, or a disease got in plants an poisoned the plant eaters and a carnivore came by and ate it, it died, and it continued.

What did Andrey Khlopin contribute to Astronomy?

Andrey Khlopin came up with a theory about the creation of the asteroid belt. In his theory, the asteroid belt was an ancient planet with several satellites (Moons).

However, since 2007 when it was proposed, it has not become a mainstream theory and many believe it was just extracted from a science fiction novel.

What would happen if you touched a asteroid?

well the first thing of all is that the posibilities of touchind an asteroid is only 1% because if an asteroid came to earth we can die but that depends of the size of the asteroid so if you touched an asteroid you could get burn because since that comes from the astosphere and is really hot so yes you could get burned

Did anyone see a fireball in the sky last night?

Various news sources report that what was seen over much of southern California last night (November 6, 2013) was indeed a fireball; possibly a rogue meteor or part of the annual Taurid meteor shower. Look up, keep looking UP!

What is the composition of asteroid belt?

It depends on the type of meteor. There are three major types of meteors: iron, stony-iron and stony. If it's an iron meteor, it is a hundred percent made up of iron and nickel. Stony-iron meteors comprise of 50 percent iron and 50 percent silicates. Stony meteors are composed of 10 to 15 percent iron and nickel with 85 to 90 percent silicates.

What two planets are most asteroids in between?

The asteroid belt is located between the planets of Mars and Jupiter.

Are asteroid near misses always small asteroids?

No, asteroid near misses can vary in size. Some near misses involve small asteroids that burn up in the atmosphere, while others may involve larger asteroids that pass by Earth at a safe distance. It is important for scientists to monitor and track all potentially hazardous asteroids to assess their risk.

Are holes in the planets made by asteroids?

Yes, holes in planets can be made by asteroids. When asteroids collide with planets, they can create impact craters that can range in size from small to very large, shaping the planet's surface over time. These impact events can have a significant influence on the geology and landscape of a planet.

Who named asteroids?

Asteroids are named by the International Astronomical Union (IAU) in collaboration with the discoverer of the asteroid. The names can be chosen based on various criteria, such as mythology, geography, historical figures, or other cultural references.

What do maria look like and how did they form?

Marias are large, flat plains on the Moon that are darker in color compared to the surrounding areas. They were formed by ancient volcanic activity, where lava flows covered the Moon's surface. The lava solidified to create the smooth, dark plains we see today.

Can the asteroid belt support life?

No, it can't. There is no atmosphere around the asteroids, and not enough water. Where would you get food? You can't grow trees or anything for a shelter. Those are the four most important things you need to live somewhere, and the asteroids have none.

What do asteroids and comets bring to the earth?

Asteroids and comets can bring elements and compounds that are not abundant on Earth, such as precious metals. They also carry water and organic molecules, which may have been essential for the development of life on our planet. However, they can also pose a threat if they collide with Earth, leading to potential devastation.

Where would an asteroid most likely hit earth?

An asteroid could hit Earth anywhere, but the most likely impact locations are in the ocean due to the vast coverage of water on our planet. Cities along coastlines are also at higher risk. However, the probability of a direct impact on a populated area is very low.

How many basic groups are asteroids categorized in?

Asteroids are categorized into three basic groups: C-type (carbonaceous), S-type (silicaceous), and M-type (metallic). These groups are based on their composition, with each group having distinct characteristics based on the types of materials they are made of.

How fast did 'Hayabusa' fly?

Hayabusa's heat-shielded reentry capsule was observed by an international team of scientists speeding into the Earth's atmosphere on June 13, 2010, at the rate of 12.2 km/s. The spacecraft itself broke up and was completely incinerated in a rather large fireball. The capsule made a parachute landing in the Australian outback.

For more information regarding this fascinating, asteroid visiting, successful Japanese Aerospace Exploration Agency umanned spacecraft, please see the related link below:

The Hayabusa (Japanese for Peregrine Falcon) can achieve speeds between 180 and 240 miles per hour when diving toward a target. The Suzuki Hayabusa motorcycle achieved a consistent top speed of 194 miles per hour.

Will elenin hit Earth?

Comet Elenin (C/2010 X1) was first discovered on December 10th by Leonid Elenin. I have not yet seen detailed descriptions of its orbit, but early calculations indicate that it will probably be visible to the naked eye in late August or early September 2011.

It's not going to hit the Earth; it MAY come within about 0.4 AU but not much closer.

That is not proven as we do not know the size of the meteor as NASA have not give us the measurements. NASA have also given a warning to all their employees to make sure their families are safe on October the 16th.

Is Comet or Asteroids made of rock or metal?

Comets are a mix of dust, rock, and ice, while asteroids are primarily made of rock and metal. Comets usually have a tail when they approach the Sun due to the melting of the ice, while asteroids do not have tails.

Did an asteroid almost hit the earth?

who do u think i am? im not albert einstine dummie

AndrewVincent123 on't believe him. It's acctually not predictable. Some come closer than others. So the asteroids keep on moving so there is no closer asteroid than any other.

What is the rotation speed of mars moon Phobos in days and hours?

Phobos is in a synchronos orbit round Mars. This means that (like our moon,) it rorates once for each orbit it makes and it therefore always presents the same face to Mars.

The orbital (and thus rotational) period of Phobos is 7h 39.2min.

Can an asteroid be seen?

yes any asteroid can be seen which is in our solar system can be seen.they are very small so they can not be seen through the naked eye(but an asteroid called vesta which was discovered in 1807 is the only asteroid which can be seen).you will need a telescope to see and to observe asteroids but since space is dark and also since asteroids are small and dark we can see them even better through bigger telescopes,radio telescopes, and orbiting telescopes(Hubble).

What is the probability of a meteorite the size of a car hitting the earth?

The probability of a meteorite the size of a car hitting the Earth is very small. While it is difficult to provide an exact probability due to the unpredictable nature of meteorite impacts, the likelihood of a specific-sized meteorite hitting the Earth is rare. Earth's atmosphere provides some protection by burning up smaller meteoroids before they reach the surface.