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Today Phil’s explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a wealth of information about them including their luminosity, size, and temperature. The HR diagram plots stars’ luminosity versus temperature, and most stars fall along the main sequence, where they live most of their lives.
First Air Date : Jan 15, 2015
Last Air date : Dec 24, 2015
Episode : 46 Episode
Season : 1 Season
Runtime: 12:14 minutes
Studio: YouTube
Country:
Cast: Phil Plait
Crew: Phil Plait (Writer)
