It's interesting to look back and see how far we have come from the first British colonies. We now have cameras that can see 224.3 million miles away. Water on Mars could also mean that we could one day visit or even possibly live there. This could have so much potential for discovery and growth but also for failure. What happens if because we want to live there, we take over we cause a whole planet to become extinct! This idea is like when people discovered America and basically wiped out the whole native American population.
http://www.cnn.com/2015/09/28/us/mars-nasa-announcement/index.html
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