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Astronomy quizzes/Hertzsprung–Russell diagram

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Hertzsprung–Russell diagram

Questions: 6

Hertzsprung–Russell diagramQuestions: 6

Astronomy Labs

An open astronomy library: from ancient sky watching to modern cosmology, in five languages.

A product of MacLabs Studio: maclabs.studio — an educational software studio

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Top domainsClassical & Spherical Astronomy Astrometry & Celestial Mechanics Observational Astronomy Solar Astronomy & Heliophysics Stellar Astrophysics Planetary Science & Exoplanets Interstellar Medium & Astrochemistry Galactic Astronomy Extragalactic Astronomy High-Energy & Compact Objects

Featured astronomersDavid Charbonneau Sara Seager Adam Riess Priyamvada Natarajan Nergis Mavalvala Brian Schmidt Didier Queloz Natalie Batalha Andrea Ghez Saul Perlmutter

Interactive labsCelestial Sphere Explorer Kepler Orbit Lab Interactive H–R Diagram Exoplanet Transit Lab Hubble Expansion Lab Gravitational Lensing Lab

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