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Quiz 27 p302 - 309

Structure of the Heavens

Polish astronomer who proposed a heliocentric system of the universe Nicklaus Copernicus
Scientist who discovered the law0 universal gravitation Sir Isaac Newton
astronomer whose book Almagest mathematically described the geocentric view of the universe Ptolemy
astronomer who discovered that the planets do not travel in circles Johannes Kepler
astronomer whose discovery of the phases of Venus helped prove the heliocentric view Galileo Galileo
the study of God's creation beyond our atmosphere astronomy
the force of attraction that exists between any two objects gravity
the general term for a space that does not contain any other matter black hole
the point in a planet's orbit that is farthest from the sun perihelion
the sun, planets, the planets' moons, and other smaller bodies that orbit the sun firm the solar system