Tag: concentration

Water in the Lunar Desert

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The environment on the moon is pretty boring.  Rocks, dust, and craters as far as the eye can see in all directions.  Untouched for billions of years, save for meteors and a few recent visits by a blue neighbour.  In 2009, the cold, dry surface of the moon was found to harbour trace amounts of water.  Now, less than a decade later, the first map of lunar water has been produced. The map was produced with data taken by NASA’s Moon Mineralogy Mapper, which flew aboard India’s Chandrayaan-1 spacecraft, the craft that discovered the water in 2009, along with a similar...

Dark Matter Domination

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Dark matter is everywhere.  There is way more of it in the universe than the matter we are made of and interact with.  Yet for the sheer amount of it, we have no way of determining what exactly it is.  It’s as if we didn’t know what air was, and even though we could see it and breathe it, we couldn’t measure it.  The most tantalizing part about dark matter is that we can see the gravitational effect it has, and so we can determine how much of it there has to be.  Some places in the universe have more dark matter than...