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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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This site is intended for students in grades K through 8. ... (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/ GSFC. ...
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science
astronomy
space
education
planets
solarsystem
kids
nasa
interactive
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Simulated view of any body in the solar system from any location and time in full-color graphics. A NASA/JPL space site.
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astronomy
space
science
nasa
simulator
tools
solar
reference
simulation
solarsystem
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Quality sky maps (star charts) for stargazing, education and publishing. The Evening Sky Map free each month. Find constellations, planets and comets.
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astronomy
maps
stars
space
map
starchart
science
reference
free
astronomia
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No information avaiable
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google
astronomy
space
science
sky
maps
googlemaps
map
reference
education
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This page requires Silverlight 3. ...
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astronomy
science
telescope
space
microsoft
tools
reference
silverlight
web
cool
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Comprehensive online encyclopedias of astronomy, math, physics, scientific biographies, and scientific books, with many equations and formulas.
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science
reference
physics
chemistry
math
education
encyclopedia
astronomy
mathematics
research
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Manufacturer of astronomical telescopes, CCD imaging systems, telescope accessories, binoculars, and microscopes.
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astronomy
telescope
telescopes
science
meade
space
shopping
tech
astrophotography
astronomia
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General facts and statistical information about planets, moons, constellations, stars, galaxies, and Messier objects.
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astronomy
science
reference
encyclopedia
space
research
resources
resource
knowledge
photography
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The U.S. Naval Observatory is the preeminent authority in the areas of precise time and astronomy.
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astronomy
science
time
weather
reference
space
government
observatory
navy
oceanography
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Stellarium is planetarium software that shows exactly what you see when you look up at the stars. It's easy to use, and free.
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astronomy
software
science
opensource
space
planetarium
freeware
free
windows
stars
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