Type:

Other

Description:

In this activity students find a number of Cepheid variables in the galaxy M100. They then use their periods, average apparent magnitudes, and their Period-Luminosity relationships, in order to determine the distance to M100. Then students can estimate the Hubble constant to find the age of the universe.

Subjects:

  • Education > General

Education Levels:

  • Grade 1
  • Grade 6
  • Grade 8
  • Grade 9

Keywords:

distances,cepheid variables,NSDL,Undergraduate (Lower Division),Higher Education,Space Science,Stars,magnitudes,Cosmic Time and Distance,Fundamentals,Distance Scales,Astronomy,oai:nsdl.org:2200/20090506235510688T,Informal Education,period luminosity,Undergraduate (Upper Division),galaxies,Cosmology,age of the universe,Physics,Cepheids,M100,hubble constant,NSDL_SetSpec_439869,Vocational/Professional Development Education,Education

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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