tagged with: astronomy, lunar eclipse, earth, sun, moon, penumbra, umbra, diagram, words and unwords, earth science, educational, educational resources
No need to be an astronomer to enjoy any of these gifts featuring a lunar eclipse. A lunar eclipse occurs when the moon passes behind the earth such that the Earth blocks the Sun's rays from striking the Moon. Make others do a double-take with galactic attitude with any of these educational astronomy gifts featuring the mechanics of a lunar eclipse, complete with labels of penumbra and umbra!
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