Water from the Moon

So now that we know the stuff of life awaits future explorers at the lunar poles, how easily will they be able to collect it? And what can they use it for when they do? For decades scientists have sought to confirm the existence of water on the Moon.

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It has profound implications for our hopes of establishing a lunar outpost, which could serve as a base to propel crewed missions into deep space, and open up new possibilities for a prolonged presence on the Moon and its exploration. In a paper published in Proceedings of the National Academy of Sciences this week, an international research team describe definitive evidence of exposed frozen water deposits at the poles.

Talks of a lunar base have picked up again recently, with NASA directed to focus its attention on returning man to the Moon, the European Space Agency putting forward concepts of a so-called Moon Village and a slew of private companies vying to place landers and rovers on the surface as a starting point for lunar exploration. This week's confirmation will only embolden these parties, because ice on the Moon might translate into all kinds of useful things. It could be distilled into potable water to drink, it could be converted into oxygen to breathe, it could be used to raise crops for sustenance and it could be turned into rocket fuel to send spacecraft on deep space missions.

But how ready are we to exploit it? Now at the University of Central Florida, Metzger continues his mission to help move civilization beyond its single-planet existence. He regards this week's discovery as a "truly remarkable piece of scientific work" with "important consequences. The new measurements indicate concentration of the ice how much is mixed in the dirt at the surface. From physics-based models of how the ice got there, we can infer it may go down to be a few meters of depth. Very crude estimates are possible by putting these together.

We are already developing concepts to extract the ice and performing economic analyses based on the types of hardware we will need. The United Launch Alliance funded myself and Julie Brisset at the University of Central Florida to perform computer modeling on extracting the ice through thermal methods, soaking heat into the ground so the ice changes into vapor and diffuses out of the soil.

They also funded George Sowers, Chris Dreyer, and their team at the Colorado School of Mines to develop estimates of the hardware needed to perform this extraction, and to estimate total costs of the operation. The results show that it can be extracted with a reasonable business case. RASSOR would dump the icy soil into a processing unit that will heat it, vaporize the ice, and collect the vapors.

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The ice is known to contain not just water but also hydrogen sulfide, methane, carbon monoxide, and a whole host of other volatile substances. One way to help purify the ice is to vaporize it and then capture only the substances that will freeze above a certain temperature, allowing the other substances to escape into space. Other methods involve using membranes to allow only certain liquids to pass through.

Some work has been done by NASA developing these methods already. The lunar ice can also be used for agriculture, which will require lots of water. Once you have a closed-loop life support system set up, all the water passing through the plants and the humans who eat the plants will be recycled, so it will not be necessary to keep adding lots of water to the system. The large amounts are needed only for the initial setup, or for scaling up the number of humans on the Moon when more agriculture is needed.

What can we do with the water on the Moon? We ask Planetary physicist Philip Metzger

A bigger problem with lunar agriculture, though, is the long lunar nights. Plants are not adapted to that, so it will be necessary to have artificial lighting, which will require very large power systems. To make oxygen you simply electrolyze the water, running an electrical current through to separate the molecules into hydrogen and oxygen. Then you can use the hydrogen and oxygen as rocket fuel. To burn that hydrogen in a rocket, you will need every bit of the oxygen that you got when you made the hydrogen. Therefore, you do not want to use the oxygen for breathing, because if you do then you will have hydrogen left over that you cannot use for rocket fuel, and hydrogen on the Moon is too precious to waste.

You can easily get oxygen from ordinary lunar soil and rocks. The entire Moon is 42 percent oxygen by weight, but it contains almost no hydrogen.

What can we do with the water on the Moon? We ask Planetary physicist Philip Metzger

You do not need ice to get oxygen. You need it to get hydrogen, with the right amount of oxygen to burn that hydrogen. The byproduct of making oxygen from soil is metal, which is also useful at a lunar outpost. So I think the ice is mostly for making rocket fuel, while the soil is for making the breathing oxygen and metal.

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It will not take significant technological advances — no basic research. I try, and I try, and I try Do I gotta get water from the moon? Baby is that what I gotta do To make you love me, make you love? Do I gotta turn the sand into the sea Is that what you want from me I've done everything that I can do But get water from the, water from the moon Baby, love me baby, love me, yeah I've done everything You've got to love me baby I've done everything, oh Edit Lyrics Edit Wiki Add Video.

Water from the Moon song meanings. Add your thoughts 2 Comments. And that's exactly wat the song's about, being willing to do anything to win the love of the person u Luv.. To such an extent that u wu'd go as far as trying the impossible.. Getting water from the moon.. No Replies Log in to reply. There was an error.

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