Living deep inside our planet's protective biosphere, it sometimes takes some beautiful cosmic events to make us realize that we are orbiting the sun as the sun orbits the galactic core at breakneck speeds.
via Discovery News http://news.discovery.com/space/astronomy/spaceship-earth-we-are-interstellar-travelers-131014.htm#mkcpgn=rssnws1
via Discovery News http://news.discovery.com/space/astronomy/spaceship-earth-we-are-interstellar-travelers-131014.htm#mkcpgn=rssnws1
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