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Stellar populations inquiry

Stellar populations inquiry. an introduction. Activity goals. Build on Color, Light & Spectra (CLS) inquiry Learn some basic properties of stars and star clusters Learn the reasoning skills and tools used by astronomers and other scientists. Color Light & Spectra Recap. A few key points:.

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Stellar populations inquiry

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  1. Stellar populations inquiry • an introduction

  2. Activity goals • Build on Color, Light & Spectra (CLS) inquiry • Learn some basic properties of stars and star clusters • Learn the reasoning skills and tools used by astronomers and other scientists

  3. Color Light & Spectra Recap • A few key points: - COLORS OF THERMAL SPECTRUM (BLACKBODIES) • Blueish white = Hotter • RedDish = cooler • equal amounts of allcolors = WHITE • THE SUN IS A THERMAL SPECTRUM (BLACKBODY • .... AND SO IS EVERY OTHER STAR

  4. Astronomy • Different from other sciences • Can’t touch the objects we are studying! • primary data • - Images- Spectra

  5. QUESTION TIME

  6. where to start • Astronomers make lots and lots of graphs and tables • Data/Materials • - Pictures, spectra • - graph paper • Bonus material • - New knowledge from CLS

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