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VVASTWARD

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The Lives of StarsModule 3Main-Sequence Life
Module 3 / Lesson 9 of 2442 min
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How Does the H-R Diagram Become a Map of Stellar Lives?

What do temperature and luminosity reveal when many stars are placed on one diagram?

Read axes, main sequence, giants, and white dwarfs before inferring evolutionary stage.

A cool red dwarf, a Sun-like star, a hot blue-white star, a red giant, and a compact white dwarf appear with visibly different colours and scales against dark space.
Vastward scientific reconstruction. The scene evokes different stellar populations; it is not a measured H-R diagram and the objects are not shown at one physical scale.

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