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General facts and statistical information about planets, moons, constellations, stars, galaxies, and Messier objects.
http://www.absoluteastronomy.com/
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astronomy
science
reference
encyclopedia
space
research
resources
resource
knowledge
photography
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No information avaiable
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encyclopedia
reference
research
search
school
deta
student
database
online
teachers
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No information avaiable
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encyclopedia
reference
statistics
english
wikipedia
knowledge
online
ref
web
encyclopaedia
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Access documents, images, and videos of NASA?s current and historical aerospace research and engineering results.
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reference
nasa
research
science
engineering
library
search
reports
government
tech
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Grass-roots, nonprofit, member-supported organization devoted to the Search for Extraterrestrial Intelligence.
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seti
astronomy
space
alien
science
radioastronomy
knowledge
radio
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Nonprofit publisher dedicated to presenting scientific review literature for the physical, biomedical, and social sciences.
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science
journal
journals
reference
books
reviews
research
psychology
library
neuroscience
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No information avaiable
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jupiter
astronomy
planet
space
solar_system
science
outer_solar_system
astrojupiter
universe
wikipedia
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To understand why we have seasons, we need to look at the relations ... The sun's rays are pretty close to parallel to each other when they reach the Earth, ...
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seasons
astronomy
earth
science
sun
space
tutorial
study
weather
physics
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Lists 82 educational web pages by David P. Stern, on misc. science topics ... http://www.phy6.org/Education.zip (4)" All Things Electric and Magnetic ", overview below, ...
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physics
astronomy
education
science
free
maths
reference
math
anomalies
phy6
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Shares the exciting discoveries and knowledge from NASA Sun-Earth Connection missions and research programs with educators, students, and the general public.
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astronomy
science
nasa
education
sun
earth-science
mathematics
eclipse
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Solar images, solar news, eclipse information, solar data, Sun pictures, NASA solar physics programs
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nasa
science
images
astronomy
sun
information
solar
geography
photos
space
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