Cosmic dust
01
宇宙尘埃, 星尘
very small particles originally derived from stars, serving as raw material for forming planets, and existing between galaxies, stars, and other celestial bodies
例子
Astronomers study cosmic dust to understand its role in the formation of stars, planets, and galaxies.
天文学家研究宇宙尘埃以了解其在恒星、行星和星系形成中的作用。
