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Results #1-#6 of 6
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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…
  
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:
University of Oregon Physics Department
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Here students will have an opportunity to measure redshifts for several galaxies using a set of common spectral lines here. While the spectra that students will be using have many…
  
Match Score:
100
Byline:
NASA CERES Project
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This activity used balloons to model the expansion of the universe. Distances between points on the balloon are measured when the balloons are inflated. Questions help students probe…
  
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).
  
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…