riazor5d
Huge reservoir of water around a black hole: It’s enough to fill quatrillions of oceans
Astronomers discovered a massive water cloud around a black hole 12 billion light-years away, revealing insights into galaxy ...
BBC4y
The water cycle. 1: Earth, wind and big, black clouds
The first of two sessions exploring the water cycle - the way the water on Earth keeps going around and around. The sessions make reference to the way the sun and the clouds cause water droplets ...