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Related lectures (3)
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The Cosmic Distance Ladder
Explores the fundamental problem of distance in astronomy and discusses various methods for distance measurement, including wide-angle astrometry and detached eclipsing binary distances.
The Cosmic Distance Ladder
Explores the Variable Universe through the Cosmic Distance Ladder, focusing on standard candles and the Hubble constant tension.
HII Regions: Ionising Stars
Explores HII regions in the interstellar medium and the characteristics of ionising stars, including their luminosity and lifetime.