光环中的尘埃非常冷——摄氏零下193度——但它因为热辐射而发光。

The ring dust is very cold – minus 193C – but it shines with thermal radiation.

youdao

光环中的尘埃非常冷——摄氏零下193度——但它因为热辐射而发光。

The ring dust is very cold – minus 193C – but it shines with thermal radiation.

youdao