Exoplanets and astrobiology · A guided course

Searching for life with evidence

Test intriguing clues without skipping the difficult alternatives.

Follow candidate biosignatures from rocks and plumes to distant atmospheres. Use controls, chemical budgets, search coverage and independent predictions to judge what a possible discovery actually establishes.

6 lessons60 min of lessons + 8 min challengeIntermediate to Advanced

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

NASA/DSCOVR EPIC team · Image source ↗

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Learning points

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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 togetherEvaluate a possible discovery5 questions · 8 min · Final review

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

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