AAVSO: American Association of Variable Star ...
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http://www.aavso.org/
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variables
stars
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astro
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Astronomy For Kids - KidsAstronomy.com
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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Find planets and constellations in the night sky - AstroViewer
Find planets, stars and constellations quickly and easily in the night sky with the AstroViewer night sky map
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astronomy
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sky
map
stars
space
reference
planets
visualization
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Archaeoastronomy pinpoints equinox, solstice and cross quarter moments throughout the year
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.
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astronomy
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calendar
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reference
archeoastronomy
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archaeoastronomy
time
pagan
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A Review of the Universe
02. Observable Universe and Beyond. 03. Superclusters. 04. ... 15. Elementary Particles and the World of Planck Scale. 16. Frontier of Science. 17. Appendices ...
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universe
reference
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evolution
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2009 Meteor Showers
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meteors
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meteorshower
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meteor
reference
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meteorshowers
stars
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Celestia: Home
Downloadable real-time space simulation that lets users experience the universe in three dimensions.
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astronomy
space
software
science
simulation
freeware
opensource
3d
free
education
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SAO/NASA ADS: ADS Home Page
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database
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nasa
space
library
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AbsoluteAstronomy.com
General facts and statistical information about planets, moons, constellations, stars, galaxies, and Messier objects.
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astronomy
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reference
encyclopedia
space
research
resources
resource
knowledge
photography
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Earth & Sky : A Clear Voice for Science
The World's Top Scientists Heard 15 Million Times a Day
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science
astronomy
space
news
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environment
radio
reference
earth
podcast
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NASA - Home
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
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nasa
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technology
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usa
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