Type:

Other

Description:

The United States Naval Observatory (USNO) data services page provides tools for calculating the times of sunrise, sunset, moonrise, moonset, and civil twilight, as well as rise and set times for major solar system objects and bright stars. There is a section of lunar data that includes dates of its primary phases, a tool for calculating the illuminated fraction, and a graphic that displays the apparent disk (the current appearance) of the moon. The eclipses and transits section features data and calculators for solar and lunar eclipses, recent and upcoming transits of Mercury and Venus, and a transit computer that calculates circumstances for selected transits of Mercury and Venus at any given location. Other materials include tools to create synthetic views of Earth and other solar system bodies, tables and tools for the dates of Earth's seasons, celestial navigation data, and links to other astronomical and celestial information.

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,Chemistry,NSDL,Undergraduate (Upper Division),Science,Undergraduate (Lower Division),NSDL_SetSpec_dlese.org,Physics,Higher Education,High School,Space science,oai:nsdl.org:2200/20061003225122552T,Physical sciences,Astronomy,Space sciences,Geoscience,Graduate/Professional,Earth science

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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