We can't tell you, for example today, what fraction of the water in the sky falls as rain and snow at any instant in time.

It provides an in-depth profile through the clouds where we can see processes in clouds which fresh water is created in.

The price of a bottle of water for every person in the United States is about what this mission will cost. Just one bottle of water. And yet the information we get about water supplies, the water cycle of the planet, I think is priceless.

We do these jumps hundreds of times in the water before we go on the snow, so it's not as dangerous as it may look to spectators.

Snow is water, and ice is water, and water is water, these three are one

We've not been able to place these brush strokes into the context of a wider canvas.