Type:

Other

Description:

This page is part of NASA's website "From Stargazers to Starships". It discusses the evolution of scientific thought concerning the nature of the solar system, beginning with the earth-centered solar system advocated by Hipparchus and Ptolemy. Ptolemy's idea that the sun and planets moved around the Earth persisted for nearly a thousand years until Copernicus and Galileo, using his newly-invented telescope, began to understand that the Earth and its companion planets all orbited in around the sun. The site features text, pictures, a scientific illustration showing retrograde motion, and links to other relevant sites.

Subjects:

  • Science > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
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  • Grade 12

Keywords:

Aristarchus,Astronomy,NSDL,Chemistry,Science,oai:nsdl.org:2200/20070206162157981T,Geoscience,History and philosophy of science,High School,NSDL_SetSpec_2802835,Space science,Physics,Physical sciences,History/Policy/Law,History of science,Space sciences,Social Sciences,Space Science,Earth science

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

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None
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