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Old 09-30-2015, 03:15 PM   #91
Huntingwhale
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Default NASA’s Mars rovers are banned from investigating that liquid water

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NASA’s Curiosity rover is about 50 kilometres from the site that scientists suspect holds liquid Martian water, but thanks to an international treaty signed in 1967, it’s not allowed to go anywhere near it.
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every country on Earth is bound by the stipulations of the 1967 Outer Space Treaty, which forbids "anyone from sending a mission, robot or human, close to a water source in the fear of contaminating it with life from Earth".



http://www.sciencealert.com/here-s-w...t-liquid-water


Quote:
Originally Posted by pylon View Post
When you think of the likelihood of communicating with an alien species, you have to think 4 dimensionally. Everyone thinks of up, down left right... basic co-ordinates, but everyone neglects time. Not only does the civilization have to exist, it has to exist pretty much in a time frame, the size of a grain of sand laid next to a football field next to our grain of sand which is our moment in time as well.

There have likely been thousands or millions of species and civilizations that have risen and fallen over the lifespan of the universe, but how long did they exist in a form that could communicate in a way we could identify? Humans have had the capability for 100 years +/-, on the scale of the universe, it wouldn't even be 1/10th of a second on a 24 hour day. There could have been a civilization 2 billion years ago, that lasted for 10 million years, but were they wiped out by disease? War? A cosmic event like a Gamma ray burst or super nova... the possibilities are endless. Did they eventually evolve to a form of life so far advanced from us, and already encountered other species but we are a brutally primitive species to them no different than a fruit fly is to us, and not even worth their time? Perhaps they know of millions of inter universal species, and to them, we are nothing.

Not only do the physical and technological properties have to match, the time frame in which the civilizations exist must as well. And that will likely be the biggest hurdle to finding sentient, intelligent life.
Solid post. I personally think the universe is full of life. But we'll never get the chance to ever communicate with them. A galaxy the size of our own and we have only ever sent radio signals ~80 light years out. Only 92,000 more light years to go. And that's just our one single galaxy out of billions.

Nope, even if life exists outside our own galaxy, we'll never get the chance to find out.

Last edited by Huntingwhale; 09-30-2015 at 03:18 PM.
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