资讯

KAWC45 分钟
Snowflakes, death threats and dollar signs: Cloud seeding is at a crossroads
Humans have the technology to literally make snow fall from the clouds. In the drought-stricken Southwest, where the Colorado ...
Space.com52 分钟
Mars is covered in evidence of ancient lakes, rain and snow — but scientists aren't sure ...
"You could pull up Google Earth images of places like Utah, zoom out, and you’d see the similarities to Mars." ...