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en.wikipedia.org/wiki/Asteroid

Asteroids vary greatly in size, from almost ... The dwarf planet Ceres is by far the largest asteroid, with a diameter of 975 km (610 ...

solarsystem.nasa.gov/planets/asteroids/indepth

Asteroids range in size from Vesta - the largest at about 329 miles (530 ... than sometimes seen in Hollywood movies: on average, their separation is in excess of ...

www.nasa.gov/mission_pages/asteroids/overview/fastfacts.html

Asteroid Facts. ... Every 2,000 years or so, a meteoroid the size of a football field hits Earth and causes significant damage to the area. Only once every few ...

www.space.com/51-asteroids-formation-discovery-and-exploration.html

Sep 20, 2017 ... There are millions of asteroids, ranging in size from hundreds of miles to ... The average temperature of the surface of a typical asteroid is minus ...

nineplanets.org/asteroids.html

How do asteroids get pushed from their 'normal' orbits into Earth-crossing ones? What is the probability that a large comet or asteroid will hit the Earth in any ...

www.wwu.edu/skywise/a101_asteroids.html

Most asteroids are the size of gravel but 16 asteroids have a diameter of 240 km or ... Since the orbital radius of the average asteroid in the asteroid belt closely ...

www.reference.com/science/average-size-asteroids-2187be5f8268f8e8

Although NASA hasn't calculated an average, asteroids range in size from Ceres, measuring 590 miles in diameter, to smaller ones that measure less than a ...

physics.stackexchange.com/questions/26712/what-is-the-average-distance-between-objects-in-our-asteroid-belt

Jul 3, 2011 ... Taking the cube root of this gives a typical separation of 2 million miles, .... It all depends on the size of the asteroids that you're talking about.

www.esa.int/Our_Activities/Space_Science/Asteroids_Structure_and_composition_of_asteroids

Asteroids come in many shapes and sizes. From piles of ... The typical composition of an asteroid depends on its distance from the Sun. At the outer edges of the ...