Ever wonder why stars seem to twinkle? This effect is caused by variations in the density of our atmosphere that cause blurring in light coming from space.
from News and Features - NASA's Jet Propulsion Laboratory http://ift.tt/1cYNbRQ
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Ever wonder why stars seem to twinkle? This effect is caused by variations in the density of our atmosphere that cause blurring in light coming from space.
Credit: NASA NASA has selected ARES Technical Services Corporation of McLean, Virginia, to provide launch range operations support...
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