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There"s a whole universe out there for us to explore! --If we can only get to it.
I"m excited by the possibility of learning what"s in orbit around the stars near us, though I"m saddened by the thought that we won"t ever get a probe to another star during my lifetime. But subsequent generations should be able to send out probes, say within the next couple hundred years, and learn a lot about our immediate neighborhood. Maybe they"ll even find life out there!--though it"ll almost certainly be simple forms and not intelligent life.
The immensity and awesomeness of deep space is just incredible, and I"m teaching my kids about it as they grow (they"re still pretty young, 2 4, so I"m really just working on the eldest so far).
As for our ultimate fate, it"s a LONG time in the future--like 80,000 times the length of all of human civilization to date. So humanity has an awful lot of time to advance, to find ways off this rock when necessary, and possibly even to shift our planet"s orbit slightly to keep us in the habitable zone (which can gain us a couple billion years).
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