Asteroid
Asteroids are celestial bodies that are similar to planets around the sun, but are much smaller in size and mass than the planets. So far in the solar system has found a total of about 700,000 asteroids, but this may be only a small part of all the asteroids, only a few of these asteroids diameter greater than 100 km. By the 1990s, the largest asteroids were the gods, but the diameter of some asteroids found in the Cooper band in recent years was greater than that of the gods, such as the founders of Varuna in 2000, 900 km in 2002 Of the Quaoar (Quaoar) diameter of 1280 km, found in 2004 Ersi Si diameter may even reach 1,800 km. Found in 2003, Sedna (asteroid 90377) is located outside the Cooper band, its diameter is about 1500 km. According to estimates, the number of asteroids should be millions, see the asteroid list, and the largest asteroid is now beginning to reclassify, is defined as a dwarf planet. ...