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No information avaiable
http://weather.uwyo.edu/polar/balloon_traj.html
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balloon
trajectory
reference
science
forecast
gps
ballon
gis
weather
space
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Information, software, and hardware reviews of name brand GPS receivers and PDAs, plus instructions, software, and tutorials.
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gps
reviews
geocaching
software
hardware
information
reference
maps
gis
review
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Reference source containing links to information on rockets, spacecraft, programs, astronauts, and more.
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space
science
reference
encyclopedia
history
astronomy
technology
rocket
nasa
spaceflight
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No information avaiable
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science
astronomy
space
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encyclopedia
physics
technology
energy
news
education
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Official site of the USGS.
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science
geology
maps
reference
geography
government
usgs
research
environment
gis
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Multimedia tour of the solar system -- one star, eight planets, and more -- with pictures, text, sound, and references to other resources.
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science
astronomy
planets
space
solarsystem
reference
solar
system
education
solar_system
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Dynamically generated pages which give visible satellite passes and real-time orbit displays for any location in the world.
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astronomy
space
science
satellites
satellite
reference
stars
maps
tracking
iss
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Features forums, a blog, and news articles covering the latest breakthroughs in physics and technology.
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science
news
physics
technology
research
tech
daily
blog
space
reference
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World Meteorological Organization providing official observations and forecasts from National ... The NMHSs make official weather observations in their ...
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weather
world
travel
forecasts
reference
forecast
meteo
science
climate
statistics
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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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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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