asteroid belt
复数形式
asteroid belts
1
小行星带, 小行星环
a region in the solar system located between the orbits of Mars and Jupiter, populated by numerous small celestial bodies called asteroids
- The asteroid belt contains millions of asteroids ranging in size from small rocky fragments to larger bodies several hundred kilometers across.
小行星带包含数百万颗小行星，其大小从小的岩石碎片到直径数百公里的较大天体不等。
- Scientists study the composition and movement of asteroids in the asteroid belt to understand the early formation of the solar system.
科学家研究小行星带中小行星的组成和运动，以了解太阳系的早期形成。
- Space missions like NASA's Dawn spacecraft have explored asteroids within the asteroid belt to gather data on their structure and composition.
像NASA的黎明号航天器这样的太空任务已经探索了小行星带内的小行星，以收集有关其结构和组成的数据。
- The gravitational influence of Jupiter prevents the asteroids in the asteroid belt from coalescing into a single planet.
木星的引力影响阻止了小行星带中的小行星合并成一个单一的行星。
- Some asteroids in the asteroid belt occasionally cross Earth's orbit, posing potential impact hazards that astronomers monitor closely.
小行星带中的一些小行星偶尔会穿越地球轨道，带来天文学家密切监测的潜在撞击危险。