asteroid belt
释义
专有名词proper noun
- 1(astronomy) The main asteroid belt, the region of the orbital plane of the Solar System located between the orbits of Mars and Jupiter which is occupied by numerous minor planets (asteroids) and the dwarf planet Ceres.
名词noun
- 1(astronomy) A set of orbits in a region that contains asteroids or similar minor planets arrayed as an annulus around the planetary system's orbital center.