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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

What are some names of asteroids scientists?

Largest first. [See related link for more information]

  • Ceres
  • Pallas
  • Vesta
  • Hygiea
  • Interamnia
  • Europa
  • Davida
  • Sylvia
  • Cybele
  • Eunomia
  • Juno
  • Chariklo
  • Euphrosyne
  • Hektor
  • Chiron
  • Thisbe
  • Bamberga
  • Fortuna
  • Herculina
  • Patientia
  • Doris
  • Ursula
  • Camilla
  • Eugenia
  • Iris
  • Amphitrite
  • Diotima
  • Egeria
  • Aurora
  • Psyche

What is the surface of an asteroid like?

Mostly dust and rocks. A lot of iron oxide (rust) gives it a reddish color.
Dry

Rocky

Craters

Valley

Ice Caps

Red surface Mars is largely rock strewn desert, with some hilly dune-like areas, and some mountainous areas, including Mons Olympus, an extinct volcano that is the highest known mountain in our solar system.
It's surface is much like ours, but with much less water. So basically Mars is made of big and small rocks with lots of ice as well.
The surface features of Mars are that it has a rocky outer crust blanketed with a rust colored soil. Mars also has many valleys, plains, and volcanoes. In fact, Mars is home to the highest volcano in the Solar System! On its southern side Mars has many craters, making it very different from its northern side with valleys and plains. Even though it has valleys and plains Mars has no grass or water. They were actually formed by vol canoe's lava hardening for millions of years. Mars's Olympus Mons, is 3 times the height of Mount Everest on Earth! Mars also has a canyon that stretches across 1/4 of the planet, it's called Valles Marineris. And it is 10 times longer than the grand canyon!Mars also has craters like our moon in its south and channels were water might once have flown, these channels widen as they go further down. Some of these channel patterns also go around the craters.

The surface features on Mars are mainly made of rock.

Looks red from the dust and it has mountains and craters even have polar ice capes. Mars even has slight winds from the chemicals in the atmosphere.

The surface of mars is 68 degrees in summer and -220 degrees in the winter it does not get much heat. it is rocky and hard and frozen water
it has lots of debris and lots of rocks, Boulders, Canyons, inactive Volcanoes,rocks,and red dust

Will there be a comet or asteroid that comes close to the earth in 2036?

No. There is no comet or asteroid or meteor going to hit the Earth. Most of it is superstition.

Information about the asteroid biyo?

The Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro, New Mexico is credited with discovering the asteroid, Biyo, on May 22, 1998.

The asteroid was named after the teacher, Dr. Josette Biyo.

What do asteroids meteors meteoroids meteorites all have in common?

Both meteoroid's and comets are made out of rock and burn up when getting into earths atmosphere.

How does asteroid belt form?

Asteroids formed from left over materials from when our solar system formed that never formed into a planet.

What is in asteroid called when it hits the earth?

An asteroid is space debris made up of rock and metal and can range drastically in size. When an asteroid makes a collision course for Earth, it is called a meteor. A meteor that manages to hit the Earth is called a meteorite.

Why do asteroids and meteorites rarely collide with earth?

In a massive galactic collision, the stars much further apart than the water droplets in a rain cloud; the odds that any two stars would collide would be astronomical. However, the number of stars IS "astronomical", in the trillions for a big galaxy like the Milky Way and Andromeda, which WILL collide in about 4 billion years. So it's very possible that at least two such stars will collide, with catastrophic results; in all likelihood, the two stars would start to merge and promptly go nova, destroying them.

But as a general rule, stars don't collide.

Why don't many asteroids hit the earth?

Even though the planet Earth is very large in comparison to the people who live on it, it is very small in comparison to outer space. It is effectively a small target for comets to hit. And even though the gravitational attraction of the Earth does tend to pull objects such as comets toward it, in most cases the comet (or other object) will still miss, and will then fly past the Earth.

What prevents asteroids from hitting the earth?

The latest thinking on this subject is as follows: Not all small and sundry asteroids can be stopped from hitting the earth. Those asteroids whose paths and trajectory are fairly known along with their periodicity can be nudged from a collision course to earth by sending a rocket or spacecraft. The proximity of the rocket or spacecraft itself is expected to change the trajectory of the asteroid (in a controlled and calculated manner.) In years to come, science may come up with other additions to this basic concept to successfully deviate the asteroid from its collision course to the earth.

Asteroids relation to earth?

Asteroids are rocky objects that orbit the Sun and are commonly found in the asteroid belt between Mars and Jupiter. Occasionally, asteroids can come close to Earth as they travel through our solar system. If an asteroid were to impact Earth, it could have devastating effects depending on its size and composition. Scientists actively track and monitor asteroids to predict any potential impacts and develop strategies to mitigate any potential threats.

What is the impact of asteroid when it direct hit the planet?

There is no "impact asteroid". An asteroid impact however is when an asteroid hits a planet or moon.

Do superstitious beliefs of comets asteroids and meteors have scientific beliefs?

i believe in superstition because it helps us to be learn more but i think with scientific basis......

What does a torino scale measure?

The Torino Scale measures the potential threat posed by near-Earth objects (NEOs) such as asteroids and comets. It categorizes the impact hazard based on the predicted impact probability and the kinetic energy of the object. This scale helps to communicate the level of danger associated with an incoming NEO.

Will apophis hit earth?

They don't think so, but it will be very close in 2029. There is more concern about the next time it comes by, but that's really not that far off, it will be in 2036.

_____________________________________________

When Apophis comes close to Earth (and it will be VERY close on an astronomical scale - below the altitude of geosynchronous satellites!) on Friday, April 13, 2029, it WILL MISS. However, we cannot accurately predict PRECISELY how close it will come, and how the orbit of Apophis will be altered by the Earth's gravity.

And when Apophis returns to near-Earth space, on Friday, April 13, 3036, there is a very small chance that it will strike the Earth. However, during the close pass in 2029, we will plant telemetry sensors and radar reflectors which will enable us to track it with perfect accuracy. And if we're smart - and nobody ever accused NASA of being smart! - we will also plant two very large nuclear weapons on Apophis.

Then, several months later, when we've had time to calculate its orbit to see exactly where it will be in 2036, we can determine whether one or both of the weapons should be detonated to nudge Apophis into a safer orbit. And if it turns out that Apophis is not going to hit the Earth in 2036, then we can ignore them and watch the pretty asteroid scoot by. And in 2050 or so, we ought to be able to capture the asteroid and move it into a parking orbit, perhaps in the L4 or L5 points on the Moon's orbit.

Just think; if this all works out, your grandchildren may live in the Apophis Station!

When is the next asteroid going to orbit earth?

Well some people say that the world might end in 2039 by an asteroid called apophis. If it hits in the Pacific Ocean then there will be monsunes that are up to 52 feet tall and will flood Hawaii, California, through Alaska. If the asteroid hits the Atlantic Ocean then the lands that are close to the alantic ocean are going to be flooded.

Has an asteroid ever hit the sun?

Yes. It has happened countless times.

Where do most of the known asteroids have elliptical orbits?

Yes, just like all celestial body with a closed orbit.

If you want to be specific, the orbit of the moon is spiral, since it is moving away from us at a pace of 3 cm per year.

What happened when the enormous asteroid hit earth some 65 years ago?

They believe the asteroid that killed off the dinosaur was 30 miles in diameter and impacting the earth at more than 250,000 miles per hour.

Do meteors have tails?

Yes, meteors (meteoroids entering Earth's atmosphere) do not have tails. However, when a meteoroid vaporizes upon entry, it can create a glowing trail of light behind it known as a meteor train, which can appear as a temporary tail.

If you wanted to find an asteroid with a telescope where would be the best place to look?

The Hoba meteorite is located in the farm known as "Hoba West". This is in the Otjozondjupa Region of Namibia.

How are asteroids different from moon?

Asteroids are technicaly small planets. That in they orbit the sun. An asteroid can become a moon when it is caught by the gravitational pull of a planet and goes into orbit around that planet. Mars' moons Phobos and Deimos are likely candidates for this along with the moons of gas giants Jupiter, Saturn & Uranus as they have no real matter that could have been ejected into space to create a moon like earths moon (Theorised a large mars sized object hit our planet when it was still molten ejecting a blob that became our moon).

So to re-cap asteroids orbit the sun, Moons orbit planets.

What are asteroids and how do they form?

Asteroids are rocky and metallic objects that orbit the Sun but are too small to be considered planets. They are known as minor planets

They have been found inside Earth's orbit to beyond Saturn's orbit. Most, however, are contained within a main belt that exists between the orbits of Mars and Jupiter. Some have orbits that cross Earth's path and some have even hit the Earth in times past

What will happen if an asteroid hits Earth?

It all depends on how big the rock is. If it is a small one, it will burn up in the atmosphere. If it is larger than a small suitcase, it may hit the earth, or burn up, depending on how fast it is traveling.

But really big rocks, 100 meters or more in diameter, will usually impact the planet, causing local devastation, and leaving a crater. A rock 2 kilometers in diameter could cause so much disturbance to the planet's atmosphere that large numbers of animals and plants could die off.

The mass extinction of the dinosaurs is believed to have resulted from an impact by an asteroid or comet about 2 kilometers in diameter.