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Earth, seen from Saturn by NASA's Cassini |
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0nce you wipe the dust from your screen,
the remaining blue dot is … us
—Col. Chris Hadfield
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Consider that:
you can see less than 1% of the electromagnetic spectrum and hear less than 1% of the acoustic spectrum.
As you read this, you are traveling at 220 km/sec across the galaxy.
90% of the cells in your body carry their own microbial DNA and are not “you.”
The atoms in your body are 99.9999999999999999% empty space and none of them are the ones you were born with, but they all originated in the belly of a star.
Human beings have 46 chromosomes, 2 less than the common potato.
The existence of the rainbow depends on the conical photoreceptors in your eyes; to animals without cones, the rainbow does not exist.
So you don’t just look at a rainbow, you create it.
This is pretty amazing, especially considering that all the beautiful colors you see represent less than 1% of the electromagnetic spectrum.
—NASA Lunar Science Institute
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