I am a particle physicist with a special interest in cosmology and the long term future of humanity. Our planet is a small dot in the universe and there are so many possible ways it and we can be destroyed. As an example it is well known that our sun, the energy source that powers our planet, will eventually expand to a red giant and engulf the planet. It is also well known that before that happens there are many other possible ways that disaster can beset us. Therefore the future of humanity depends on our getting out of here.The first step in this process is learning all we can about our planetary system. It is the stepping stone on any hope of man's escape in the long term.
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