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Track seasonal cusp moments in universal time, according to the Earth's orbit. Includes lessons on the astronomical mechanics of equinoxes, soltices, and cross quarters.
http://www.archaeoastronomy.com/
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astronomy
science
calendar
space
reference
archeoastronomy
education
archaeoastronomy
time
pagan
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No information avaiable
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astronomy
science
space
variables
stars
research
reference
education
physics
astro
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Contains maps of the universe zooming out from the nearest stars to the entire visible universe.
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astronomy
science
space
maps
universe
reference
atlas
map
physics
education
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SkyandTelescope.com's Free E-newsletters. Weekly Bulletin ... Sky & Telescope, Night Sky, and SkyandTelescope.com are registered trademarks of New ...
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astronomy
science
space
magazine
telescope
news
sky
stars
reference
magazines
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... portal is currently online at http://www.usno.navy.mil and is being populated. ... About AA. Information about the department and its history ...
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astronomy
science
reference
moon
tools
time
calendars
sun
space
data
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Offering original news and educational features about space, science, and space technology.
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space
science
astronomy
news
technology
nasa
physics
education
reference
tech
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Official site for the The International Year of Astronomy 2009 (IYA2009), the global celebration of astronomy and its contributions to society and culture.
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astronomy
science
space
education
2009
physics
stars
event
events
world
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KidsAstronomy.com is a powerful astronomy websited designed to introduce children to the facinating ... KidsAstronomy.com, part of the KidsKnowIt Network, is the ...
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astronomy
science
space
kids
education
solar_system
planets
solarsystem
games
interactive
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Cosmos4Kids.com! The web site that teaches astronomy and space science fundamentals to everyone! ... CONDITIONS and PRIVACY POLICY for use of Cosmos4Kids.com. ...
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science
astronomy
space
solarsystem
education
universe
stars
kids
reference
planets
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The World's Top Scientists Heard 15 Million Times a Day
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science
astronomy
space
news
education
environment
radio
reference
earth
podcast
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Official site for NASA, the United States space agency, providing current information on its robotic and manned space exploration missions.
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space
science
nasa
astronomy
education
technology
government
planets
usa
reference
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