The Astronomy Center has provided educational resources to introductory astronomy educators since 2003. Over the past 20 years, the rapid pace of discovery has rendered some of our linked resources obsolete. Thus, the Astronomy Center will be decommissioned on March 1, 2022. Our highest quality resources will be retained on ComPADRE.org.

Astronomy Center.org


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Results #1-#5 of 5
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Match Score:
100
Byline:
M. Masetti; Publisher: Goddard Space Flight Center
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This website gives an impression of the size of our Universe, starting with the Earth and increasing scale until it reaches the scale of the visible universe. The user can view and…
  
Match Score:
100
Byline:
B. Bryson
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A cosmic journey in 42 steps of powers of ten starting with quarks (10^-14 meters) and ending with 'near the limit of our knowledge' (10^25 meters).
Herschel's Star Gages  [ Computer Program ]
  
Match Score:
100
Byline:
T. Timberlake
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The EJS Herschel's Star Gages Model illustrates William Herschel's methods of "star gages" by which he attempted to map out the shape of our galaxy in 1785. Herschel's star gages…
  
Match Score:
100
Byline:
Publisher: Sloan Digital Sky Survey
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This section of the Sloan Digital Sky Survey's website provides an excellent explanation of how Astronomers are able to use red-shift to explain the expansion of the universe. An…
  
Match Score:
100
Byline:
D. Dutkevitch
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In this activity students find a number of Cepheid variables in the galaxy M100. They then use their periods, average apparent magnitudes, and the Period-Luminosity relationships to…