Today,
Feb. 18, is the 581st birthday of Nicolaus Copernicus the famous
astronomer who proposed that the sun was stationary at the center of the universe
and the planets revolve around it. Below are ways to celebrate his birthday.
Learn about Copernicus
Observe the stars: Check out AstronomyMagazine for stars in the February sky. Planetarium allows you to navigate
the sky from your computer.
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