The Celestial Sphere
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Constellations
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Basic Celestial Phenomena
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Introduction
Great Circle: the Earth's equator and
Geographical Coordinates
Great Circle:
Horizon
Use a
protractor quadrant
to measure angular degrees.
Altitude of
Polaris
Great Circle:
Celestial Equator
Hours of
Right Ascension
(RA).
Degrees of
Declination
Sidereal Time
and the Star Clock
Great Circle:
Ecliptic
Celestial Longitude
Skymarks: Bright
Stars
along the ecliptic.
Celestial Latitude
Seasons
Equinoxes
Solstices
Kerry Magruder
The
Celestial SphereThe
Celestial Sphere