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Can some asteroids be as big as our moon?
yes and no there is no one moon so size is bigger or smaller depending what moon your looking at
How big is an asteroid compared to other planets?
Asteroids are smaller than planets. A few of the asteroids are fairly large; Ceres, for example, is a "dwarf planet" that's bigger than Pluto. But many of the asteroids are a few miles, or a few dozen miles, across. That isn't very big, compared to Mars or Earth.
The orbital period of Jupiter is very close to 12 years What is the orbital period of an asteroid at the 52 resonance with Jupiter?
An asteroid at the 5:2 resonance with Jupiter would have an orbital period that is 5/2 times that of Jupiter, which would be around 4.8 years. This means that for every 5 orbits Jupiter completes around the Sun, the asteroid would complete around 2 orbits.
Is the asteroid belt a part of your solor system?
The area of space beyond Neptune includes the Kuiper Belt, which contains many asteroids and three dwarf planets (Pluto/Charon, Haumea, and Makemake). However, most if not all of these are formed from ice and dust, rather than the rocky asteroids of the main Asteroid Belt between Mars and Jupiter.
What is a rocky object that measures 50 miles across and is observed in space and it rotates once every 18 hours and is three times farther from the sun than earth?
Depending on its size, this could describe a planet such as Earth or Mercury, an asteroid such as Vesta, or a "dwarf planet" such as Ceres. Or, if it is small and irregularly shaped, it could be a meteoroid.
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.
Is there an escape velocity for an asteroid and if so what is it?
Are you asking if there is a minimum velocity to escape the gravitational pull of an asteroid? The answer is yes. The second part is more difficult as it is variable, based upon the mass, size, and shape of the asteroid and where you start from. Assuming that the asteroid has no atmosphere, the necessary velocity would be roughly the square root of... double the universal gravitational constant, times the mass of the asteroid..., divided by the distance from the center of gravity.
How many times has the earth been hit by a asteroid?
Magically 2
When did an asteroid collide with Mercury?
An asteroid(s) impacted with Mercury many times in it's early formation.
Has an asteroid ever hit the sun?
Yes. It has happened countless times.
Is the Milky Way an asteroid belt?
No, the Milky Way is not an asteroid belt. It is a large barred spiral galaxy that contains our solar system along with billions of stars, gas, and dust. An asteroid belt is a region in a solar system where many asteroids are found orbiting the Sun.
Is there an asteroid that is 300000 miles long?
No. And even then, something that large would not be conisdered an asteroid. Such an object would be more than 3 times the diameter of Jupiter, the largest planet in the solar system.
Can the navy stop the asteroid that will hit in 2036?
Apophis is an 885 foot diameter asteroid that will pass by Earth on April 13, 2036. The odds of it hitting the Earth are calculated to be 1 in 48,000. Keep in mind that the asteroid that crashed into Chicxulub, Mexico wiping out the dinosaurs was 6 miles wide,nearly 36 times larger.
The asteroid orbits between which 2 planets?
about 3 times a day i dont really know
Why is Uranus outside the asteroid belt?
Because Jupiter is outside the belt and Uranus is about 4 times further away.
Is an asteroid harmful?
It's a rock. If it hits you, it will hurt. Depending on the size, it may be anything from "Meh..." to "Ghaaak!" For example, we've just discovered that an asteroid will come fairly close, on an astronomical scale, to the Earth on Monday, June 27, 2011. It will miss, but it will be closer to Earth than any number of satellites. If the asteroid hits one of those satellites, the satellite will be destroyed. This asteroid is about the size of a large bus. If it were to hit the Earth, it would most likely explode high in the atmosphere, causing no damage. If the asteroid were ten times bigger, it could cause a lot of damage, and if it were 1 hundred times bigger, it could destroy a city - if it hit. But the bigger the rock, the rarer it is. We expect a bus-sized rock to hit Earth every decade or so, and things 10 times larger to hit once per century or so.
What is the change in angular momentum of a planet with radius R if an asteroid mass m and speed v hits the equator at an angle from the West 40 degrees from the radial direction?
The asteroid's velocity component tangent to the surface of the planet at the equator is:│v│∙ sin 40oThis times the mass of the asteroid gives the impulse (F∙t) the asteroid gives tothe planet, tangent at the point of impact and in the direction of the planet rotation:m∙│v│∙ sin 40oThis time the radius of the planet gives the increment in angular momentum ofthe planet:R∙│v│∙ sin 40o
