Martian warm spots could be towers of ice: Newscientists.com

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In summary, evidence from the Mars Reconnaissance Orbiter and the characteristics of the warm spots support the theory that they are towers of ice. These ice towers form through sublimation and while they have existed for millions of years, they are not completely stable. They could potentially serve as a source of water for future human missions to Mars and their discovery expands our understanding of the planet and its potential for life.
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"Unusual warm spots on Mars might represent "ice towers" similar to those seen in Antarctica, say researchers. They could even harbour life, Nick Hoffman of Melbourne University told a conference on Thursday."

http://www.newscientist.com/news/news.jsp?id=ns99993986
 
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THat's interesting...when is the next trip to mars? I mean with Humans. I know many robotics are being sent up from this year through I believe 2008, from NASA, russia, britain, and I believe Italy and Japan are taking part in one too.
 

1. What evidence supports the theory that Martian warm spots are towers of ice?

Scientists have used data from the Mars Reconnaissance Orbiter to identify these warm spots, which appear to be concentrated in the same locations where ice is known to exist. Additionally, the warm spots have been found to have similar characteristics to ice in terms of reflectivity and thermal properties.

2. How do these towers of ice form on Mars?

It is believed that these ice towers form through a process known as sublimation, where ice directly transforms into water vapor without going through a liquid phase. This process occurs when the temperature and pressure conditions on Mars are just right.

3. Are these ice towers stable structures on Mars?

While there is evidence to suggest that these ice towers have existed for millions of years, they are not considered to be completely stable. Changes in Martian climate and atmospheric conditions can cause these structures to collapse or erode over time.

4. Could these ice towers provide a potential source of water for future human missions to Mars?

Yes, these ice towers could potentially serve as a valuable source of water for future human exploration of Mars. Water is a crucial resource for sustaining life and could also be used for fuel and other purposes.

5. How does the discovery of these ice towers impact our understanding of Mars and its potential for life?

The discovery of these ice towers adds to our understanding of the complex geology and climate on Mars. It also provides further evidence that water, a key ingredient for life, exists on the planet. This increases the likelihood of finding microbial life on Mars and expands the potential for future human exploration and colonization.

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