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    • Challenge 8 – Exploring Angular Diameter

      NASA· 19 minutes ago

      Angular size is a property of observing an object with a fixed diameter at different distances. In astronomy, all of the objects you see in the sky can only be compared by ...

    • Annual Astronomy Day returns to UW-Eau Claire

      Annual Astronomy Day returns to UW-Eau Claire

      WEAU Eau Claire· 5 days ago

      For around 20 years, the Chippewa Valley Astronomical Society, and UW-Eau Claire’s Department of Physics and Astronomy, have put on Astronomy Day, which...