Vocabulary Tests Available for:
"term quiz 2"
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antarctic circle
aphelion
arctic circle
aurora
big bang theory
circle of illumination
countour lines
earth's axial tilt
elliptical orbit
equinoxes
geostationary orbit
gis
gps
ionosphere
isobars
isotherms
mesosphere
ozone layer
perihelion
permanent gasses
plane of the ecliptic
remote sensing
solar altitude angle
solar declination
solstices
stratosphere
sun-sychronous orbit
thermosphere
tropic of cancer
tropic of capricorn
troposphere
variable gases
zenith angle