How Can Water Ice Be Preserved on the Moon?

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Water and ice can be preserved on the moon by taking sunlight into consideration. Find out about how water and ice can be preserved on the moon with help from an educational professional in this free video clip.

Part of the Video Series: Moons & Planets
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Hi, my name is Eylene Pirez, and I'm an astrophysicist and this is how can water ice be preserved on the moon. So we do know that there are some traces of water ice on the moon. Now the problem is why is everything evaporating? So the first cause of evaporation obviously is heat just like here on Earth, the direct sunlight causes the water to evaporate. So generally we have the rays of sun and it causes it to evaporate. So how is it being preserved on the moon? So just like on Earth, our ice caps that means that the North Pole and the South Pole are the ones that are not getting direct sunlight. So generally on the caps of the moon we can find a little bit more of water ice. The other way to protect it is like really deep in the craters where it's shielded from the sunlight because of the angle and because of the landforms, we can actually find some water ice being preserved there. Now if we were to do it manually, we would have to figure out how to shield the moon from the sunlight which can be fairly unpractical but there are other ways to do it and one of the ways is bombardment. So one of the ways to trap liquid if you bombard a planet, let's say you have a rock impacting a surface and there is liquid water and then during the heat, during the heat of the impact, you create a hard surface on top. Although water that's going to be underneath it's going to be insulated so because of the impact and the quick hardening of the surface, you end up with liquid being trapped. So you end up with like a sandwich of liquid. So and this is called liquid trapping and this is actually very commonly seen in places like the moon where you see a lot of craters because of all the air of bombardment. So that's another natural way that the moon is preserving this water ice. In order for us to terraform and to continue to preserve it there would be some sort of mechanical shields and ways to keep the sunlight. It will mostly be inside craters and behind landforms so it can avoid direct sunlight. My name is Eylene Pirez and I'm an astrophysicist and this is how can we preserve the water ice on the moon.

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