How did we get here? This covers from the big bang, to the formation of our galaxy, our planet, the origin of life, the evolution of life to primates, and the last million years of human development.
I want to know the answer to this question because there is 5 times more dark matter in the universe than normal matter, and we simply don’t know what it is. We must find out in order to understand what the cosmos is made of!
What happened on Mars that it used to be so so active and diverse (volcanoes, rivers etc.) but it is now a dead planet? And could this happen to Earth in the future?!
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