Solution:The group of small pieces of rock revolving around the Sun between the orbits of Mars and Jupiter are called asteroids. Asteroids very in Size & Some could be of 1000 km diameter.Asteroids, sometimes called minor planets, are the rocky remnants of material leftover from the formation of the solar system and its planets approximately 4.6 billion years ago. They are small, rocky objects that orbit the Sun in highly flattened, or "elliptical" circles, often rotating erratically, tumbling, and falling through space. The majority of asteroids originate from the main asteroid belt, a region between the orbits of Mars and Jupiter. Asteroids are found in other places, too. For example, some asteroids are found in the orbital path of planets. This means that the asteroid and the planet follow the same path around the sun. Earth and a few other planets have asteroids like this. Although asteroids orbit the Sun like planets, they are much smaller than planets. Most asteroids are irregularly shaped, though a few are nearly spherical, and they are often pitted or cratered. Some asteroids are hundreds of miles in diameter, but many more are as small as pebbles. More than 150 asteroids are known to have a small companion moon (some have two moons). There are also binary (double) asteroids, in which two rocky bodies of roughly equal size orbit each other, as well as triple asteroid systems.
