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公裡的密集的氣氛中約100公裡以上的地球表麪。
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多公裡的速度闖入地球大氣層，在大約100公裡的高空開(kāi)始産生肉眼可見(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，爲(wèi)北半球的天空年複一年地帶來(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