February 2012
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In a single hubble photograpgh there are approximetly 2000 galaxys. In each galaxy, there are approximetly 100 billion stars. In a single huble space telescope image, there are about 2000000000000 stars. This is a small fraction of the total in our universe. In the words of Stephen Hawking, it’s a mathematical impossibility that life only happened once.
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This one time I stole magnesium strips from the science lab. My brother and I then used vinegar with the magnesium metal to create hydrogen gas and we blew up a small plastic container.
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Need a vacation? Try these popular destinations.
Gliese 581-d (earth like, thought capable of hosting intelligent life)
Europa (possible sub-terrainean oceans hosting aquatic life)
Kepler 22-b (Earth like, thought capable of hosting intelligent life)
Cygnus x-1 (black hole (infinite possibilities)for the adventurous person)
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Distance.
If you shine a laser pointer down a long hall, virtually immediately, you will see the red dot glowing exactly where you are pointing it. If you look in to the sky and see a star shining, the light from that star is potentially millions of years old already. When I contrast the already unbelievable speed of light to the time it takes to reach my eyes from a far away star, I’m amazed....
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