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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 Sep. 06, 2018
Week of September 10-16, 2018 Can you tell how far the stars are just by looking up at the night sky... Read More
