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Activities
1610 Activity: Observing the Moons of Jupiter
1676 Activity: Observing With Binoculars or Telescope
1687 Activity: Observing a Parabolic Path
1781 Activity: Observing the Milky Way
1838 Activity: Parallax
1861 Activity: Use a compact disk to make a spectroscope
1912 Activity: Blink Comparator
1917 Activity: What’s Beyond the Universe?
1920 Activity: Inverse Square Law
1929 Activity: Age of the Universe
1948 Activity: Ralph Alpher and the Issue of Intellectual Credit
1949 Activity: Dynamic Equilibrium
1964 Activity: Listening to the Constant Hiss from Space
1966 Activity: Inverse Square Law
1978 Activity: The Relationship Between Mass and Rotation Rate
1989 Activity: Sloan Digital Sky Survey
1992 Activity: Persistence Pays Off
1993 Activity: Investigate the Hubble Ultra Deep Field
1998 Activity: Reasons for Belief
2010 Activity: What Are Your Predictions for the Future of Cosmology?