Honors Earth 2011 Morgan DeKoninck Ch. 21

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Can you name the Honors Earth 2011 Morgan DeKoninck Ch. 21?

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The place in the orbit of a planet where the planet is farthest from the Sun,
Average distance from Earth to the Sun.
A slow motion of Earth' s axis that traces out a cone over a period of 26,000 years.
An imaginary hollow sphere upon which the ancients believed the stars were hung and carried around the Earth.
An apperant group of stars originally named for mythical characters.
The angular distance north or south of the celestial equator denoting the position of a celestial body.
The yearly path of the Sun plotted against the background of stars.
A method of locating stellar objects much like the coordinate system used on Earth's surface.
The concept of an Earth- centered universe.
The view that the Sun is at the center of the solar system.
An eclipse of the moon.
The average time between two passages of the Sun across the local celestial meridian.
The point in the orbit of a planet where it is closest to the Sun.
The gravitational disturbance of the orbit of one celestial body by another.
The progression of changes in the Moon's apperance during the month.
The imaginary plane that connects Earth's orbit with the celestial sphere.
An Earth- centered system of the universe.
The apparent westward motion of the planets with respect to the stars.
The motion of one body about another, as Earth about the sun.
An angular distance measured eastward along the celestial equator from the vernal equinox.
The spinning of a body about its axis.
The period of Earth's rotation with respect to the stars.
A time period based on the revolution of the Moon around Earth with respect to the stars.
An eclipse of the Sun.
The period of revolution of the Moon with respect to the Sun.

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Created Aug 30, 2011ReportNominate