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Seeing a Cosmic Yardstick Aug. 30, 2022
Week of September 4-10, 2022 One of the most common questions I hear regards how we determine dista... Read More
Seeing a Cosmic Yardstick Aug. 21, 2014
Week of Aug. 24-30, 2014 Can you tell how far the stars are just by looking up at the night sky? You... Read More
