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List view record 1: Introduction to Astrophysics. Episode 3, Making Maps of the Cosmos [efilm]List view anchor tag for record 1: Introduction to Astrophysics. Episode 3, Making Maps of the Cosmos [efilm]
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Introduction to Astrophysics. Episode 3, Making Maps of the Cosmos [efilm]

2019
Discover how astrophysicists map the universe. Focus on the tricky problem of calculating distances, seeing how a collection of overlapping techniques provide a "cosmic distance ladder" that works from nearby planets (by means of radar) to stars and galaxies (using parallax and Cepheid variable s...
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