The Sun and the lives of stars · A guided course

The lives of stars

Follow matter from a cold cloud to a star and its surroundings.

Investigate stellar birth, sustained fusion, lifetimes, and endings. Use energy budgets, population comparisons, and chemical inventories to connect observations with a defensible stellar history.

6 lessons60 min of lessons + 8 min challengeIntermediate

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Suggested preparation is listed in the course · Start whenever you’re ready

NASA, Jeff Hester, and Paul Scowen (Arizona State University) · Image source ↗

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Correct answer: +10
Lesson complete: +25
All lessons complete: +100
Final challenge: +50

Earn each reward once. Retries never cost points.

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Inside this course

6 lessons

Each lesson builds on the last. Read the story, explore the sources, and check your understanding.

0 of 6 lessons complete

— / 530 pointsEarned in this course

Put it all togetherBuild a stellar history from evidence5 questions · 8 min · Final review

No account is needed to learn. Your correct answers keep their earned rewards.

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