comet dust
英漢例句
- The glowing comet dust grains are traveling at about 60 kilometers per second through the denser atmosphere around 100 kilometers above Earth's surface.
發(fā)光的彗星塵埃顆粒正以每秒60公里的密集的氣氛中約100公里以上的地球表面。 - The comet dust is vaporized as it enters the atmosphere at upwards of 60 kilometers per second, producing visible trails that begin at altitudes of around 100 kilometers.
這顆彗星塵埃以每秒60多公里的速度闖入地球大氣層，在大約100公里的高空開(kāi)始產(chǎn)生肉眼可見(jiàn)的光跡。
bbs.astron.ac.cn - Dust from comet Swift-Tuttle is responsible for the Perseids, creating the northern hemisphere's regular summer sky show.
斯威夫特-塔特爾彗星撒下的塵埃形成的英仙座流星雨，為北半球的天空年復(fù)一年地帶來(lái)盛大的夏日流星秀。
bbs.astron.ac.cn - A comet is a huge ball of frozen gas and dust that often releases a long trail of material as it nears the sun.
- A specially designed collector gathered dust particles from the comet and stored them on the spacecraft.
- On the main side, the front side of our ice cube tray, if you will, we exposed that when we flew past the comet, so we caught the comet dust.
NPR: Stardust Set to Deliver Comet Samples - So when we collect comet dust, we're actually collecting some stardust that was, you know, four and a half billion years old and was here when the solar system formed.
NPR: Stardust Set to Deliver Comet Samples