tagged with: geophysics, physics, astronomy, astronomer, earth science, earth scientist, science, scientist, orbital variation, geek, humor, attitude, educational, earth, tilt, axes, eccentricity, orbit, wordsunwords, wordsandunwords
If you are an astronomer, you'll enjoy this design featuring orbital variation on any of these gifts. Earth scientists, geophysicists, and astronomers know that eccentricity, axial tilt, and precession of the Earth's orbit determined climatic patterns on Earth. Make others do a double-take with scientific, educational humor featuring orbital variation!
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