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Learn about the solar system, solar and lunar eclipses, rotation, revolution, moon phases, and famous astronomers in this comprehensive study of Earth, the Sun, and the Moon.
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Earth, Sun, and Moon Science SOL 4.7
Solar System • The sun, the nine planets and their moons, and the other objects that orbit the sun.
Solar Eclipse • The blocking of sunlight by the moon as the moon passes between the sun and the earth.
Rotation • One full spin of an object around an axis; the rotation of the Earth causes day and night.
Revolution • The movement of one object around an axis; the revolution of the Earth around the sun causes the seasons.
Lunar Eclipse • The darkening of the moon as it passes through the earth’s shadow.
New Moon • The moon is between the Earth and the sun; the sunlit side of the moon faces away.
First Quarter • One week after the new moon; half of the moon’s sunlit side of the moon faces away.
Full Moon • Two weeks after the new moon; the whole sunlit half of the moon faces the earth.
Last Quarter • Three weeks after the new moon; half of the sunlit side of the moon faces the Earth.
Moon Phases • The positions of the moon in its orbit around the Earth
Earth • The third planet from the sun; the planet where we live.
Axis • An imaginary line through a spinning object; the Earth rotates on its axis.
Season • One of the four periods of the year- spring, summer, fall, and winter.
Planet • A large body of matter revolving around the sun.
Ellipse • The shape of a circle that has been flattened a little.
Waxing • The moon phases leading up to a full moon.
Waning • The moon phases after the full moon.
NASA • National • Aeronautics and • Space • Administration
NOAA • National • Oceanic and • Atmospheric • Administration
Aristotle • The ancient philosopher who believed that the universe was a sphere with the Earth at its center.
Copernicus • Established the theory that the Earth revolved around the sun.
Ptolemy • Believed that the planets and the Sun orbited around the Earth.
Galileo • The first to use a telescope and discover evidence to support the theory of Copernicus.