night sky

  • Light Pollution

    Light Pollution

    Do me a favor and take a look at this photo of New York City: This photo was taken at night. Seriously. At night. But…it looks too bright for the night. I’ll bet I wouldn’t even have to shine a…

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  • The Ecliptic

    The Ecliptic

    The ecliptic, as astronomers call it, is the apparent path of the sun against the background of the stars in the sky. It’s useful because it tells us how to find the planets in the sky. They can be hard to…

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