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Investigating the Universe

Exploration One: The Vast Universe

First Thoughts: Looking at a Tiny Piece of the Sky


Exploration Two: Measuring Distances in the Universe

Activity 3: Measuring Parallax of Stars in Images

     Data Center: Parallax

Exploration Three: Measuring Distances with Standard Candles

First Thoughts: Estimating Distance by Comparing Brightness


Activity 3: Measuring Distance Using Cepheids

     Data Center: Cepheid Variables

Activity 4: Measuring Cosmological Distances Using Type la Supernovae

     Data Center: Type la Supernovae

Exploration Four: Measuring the Age of the Universe

Activity 3: Measuring Redshift of Spectra from Galaxies

     Data Center: Redshift

Challenge: Measuring the Size and Age of the Universe

     Data Center: Investigating the Universe Challenge Area

Doing Science

Extending Your Work

Recommended Resources

    Lonely Hearts of the Cosmos: The Story of the Scientific Quest for the Secret of the Universe by Dennis Overbye (Back Bay Book, ISBN-10: 0316648965, ISBN-13: 978-0316648967)´┐Ża book about the people who have contributed to our understanding about the nature of the universe