Chris Cantell Discusses Science: Ice on Mars? by kristina leskova

Mars is the fourth planet far away from the Sun. This planet is known as red planet. It was named after a Roman war-god, probably due to his red color. Mars is the second smallest planet, the smallest is Mercury. It has two small moons of irregular shape. We can find craters, volcanoes and canyons on its cold and dry surface. There are also white polar caps. There are not conditions for the existence of water as liquid. Nowadays the researchers confirmed that Mars has great glaciers hidden under rocky debris. Founded glaciers mean large reservoirs of water on the planet. The amount of ice was surprising; it seems to be a lot of ice hidden under the surface. But how the ice got to the planet is still a mystery for the researchers. The danger is that the ice on the surface of Mars would immediately sublimate – it means change to gas. The rocky debris covers the ice and that is the reason why the ice could survive below the surface for millions of years. The ice could be the source of water for future expeditions – they could just take the ice and melt him; they would not have to carry the water with them. In the past it was documented that water existed on Mars, but nobody knows where it disappeared. The water on Mars is a hot topic because the existence of water could mean presence of life on the planet. The researches are very expensive, but for the scientists very important. We should now if there is any life except of our Earth.

related story: http://news.yahoo.com/s/space/20081120/sc_space/buriedglaciersfoundonmars;_ylt=ApIdStpAyEiXUmggA4bHFHGs0NUE

by kristina leskova for PocketNews (http://pocketnews.tv)

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