n.小行星
adj.星状的

原形：asteroid复数：asteroids

The asteroid, named Apophis, will make a close approach to Earth in 2029.
这颗名为Apophis的小行星将于2029年近距离接近地球。
Scientists believe that the extinction of the dinosaurs was caused by an asteroid impact.
科学家认为，恐龙的灭绝是由小行星撞击引起的。
NASA's DART mission aims to deflect an asteroid as a test of planetary defense strategies.
美国宇航局的DART任务旨在偏转一颗小行星，以此测试行星防御策略。
Astronomers have detected a swarm of asteroids orbiting within the asteroid belt between Mars and Jupiter.
天文学家已经探测到一群小行星在火星和木星之间的小行星带内运行。
The discovery of water-bearing minerals on the asteroid Ryugu suggests it may have once had water.
在小行星“龙宫”上发现含水矿物，这表明它可能曾经含有水。
The Hubble Space Telescope has captured stunning images of an asteroid breaking apart.
哈勃太空望远镜捕捉到了一颗小行星解体的惊人图像。
Some asteroids are considered potentially hazardous due to their proximity to Earth's orbit.
一些小行星因其靠近地球轨道而被视为潜在危险。
Asteroids can range in size from a few meters to hundreds of kilometers across.
小行星的大小不一，从几米到几百公里不等。
Private companies have expressed interest in mining asteroids for valuable resources like metals and water.
私营公司对开采小行星以获取金属和水等宝贵资源表示了兴趣。
The Oumuamua asteroid, which visited our solar system in 2017, originated from outside our galaxy.
2017年造访我们太阳系的奥陌陌小行星起源于银河系之外。