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Astronomy
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Demonstrations 41  60 of 175
Annual Sunspot Numbers
The Period of Lunar Tides
Lunar Calendar Maker
Length Scales in the Solar System
Astronomical Clock
Celestial Map of Constellations, Stars, and Planets
Fitting an Ellipse to the Orbit of a Star near the Galactic Center
Earth's Magnetosphere and the Solar Wind
Galactic Coordinate System
Restricted ThreeBody Problem in a Plane
Universal Sundial
Antikythera Mechanism
Boiling Point of Water on Several Planets
Doppler Effect
Solar Time Calculator
Radius and Temperature of Main Sequence Stars
Epicycles Revisited; Convexity of Lunar Orbit about the Sun
Solar Panel of NASA's Phoenix Mars Lander
Roulette Plotter Device
Luna Landers on the Moon
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