Type:

Other

Description:

This web article is a March 2000 report from Why Files about the risk of a catastrophic impact from space objects such as asteroids and comets. It cites a presentation at a national scientific meeting, which stated that asteroid impacts over the past 10,000 years had a hand in shaping the climate and the nature of civilization itself. Why Files staff interviewed seven scientists, both pessimists and optimists, on the hazard for this report.

Subjects:

  • Science > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10

Keywords:

Space Science,Informal Education,Astronomy,Middle School,NSDL,Chemistry,High School,Science,Policy issues,NSDL_SetSpec_dlese.org,oai:nsdl.org:2200/20061003230246195T,Elementary School,Space science,General Public,Physics,Physical sciences,History/Policy/Law,Earth science,Space sciences,Geoscience,Natural hazards

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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