Low Mass Stars | Crash Course Astronomy

PBS Learning Media
Contributed By
PBS Learning Media
Resource Type
Classroom Material
Keywords
PBS Digital Studios Crash Course Phil Plait astronomy space science solar system stars classification low mass stars spectra composition hydrogen helium sun red giants nucleus hydrogen fusion fusion gas convection nucleosynthesis
Subjects
Science
Grade Levels
Grade 9 Grade 10 Grade 11 Grade 12
Related Resources

Low Mass Stars | Crash Course Astronomy

Today we are talking about the life—and death—of stars. Low mass stars live a long time, fusing all their hydrogen into helium over a trillion years. More massive stars like the Sun live shorter lives. They fuse hydrogen into helium, and eventually helium into carbon. When this happens they expand, get brighter, and cool off, becoming red giants.
Publisher
PBS Learning Media

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