资讯

Business Insider6 年
Earth's atmosphere is so big the moon flies through it
The geocorona is invisible to human eyes. Hydrogen absorbs and re-emits sunlight in ultraviolet light, though, so Apollo 16 astronauts were able to photograph Earth's tenuous hydrogen cloud with ...
Business Insider India6 年
Earth's air supply may reach nearly 400,000 miles into space - so far that the moon ...
The geocorona is invisible to human eyes. Hydrogen absorbs and re-emits sunlight in ultraviolet light, though, so Apollo 16 astronauts were able to photograph Earth's tenuous hydrogen cloud with ...