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Chapter 22 Vocabulary
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Astronomy: is the science that studies the universe.
Retrograde Motion: The apparent westward drift.
Precession: is the motion of Earth's axis as it traces out a circle on the sky.
Geocentric: describes the concept of an Earth-centered universe.
Heliocentric: describes the view that the sun is at the center of the solar system.
ellipse: an oval
Lunar Eclipse: an eclipse of the moon; it occurs when the moon phases through Earth's shadow.
Solar Eclipse: an eclipse of the sun; it occurs when the moon moves in a line directly between Earth and the sun, casting a shadow on Earth.
Crater: the depression at the summit of a volcano or that which is produced by a meteorite.
Lunar regolith: a tin gray layer on the surface of the moon.
Mare: The Latin name for the smooth areas of the moon formely thought to be seas.
Chapter 22 Vocabulary
Across:2. | describes the concept of an Earth-centered universe. | 3. | an eclipse of the moon; it occurs when the moon phases through Earth's shadow. | 4. | an eclipse of the sun; it occurs when the moon moves in a line directly between Earth and the sun, casting a shadow on Earth. | 9. | describes the view that the sun is at the center of the solar system. | 11. | The apparent westward drift. |
| | Down:1. | is the motion of Earth's axis as it traces out a circle on the sky. | 5. | is the science that studies the universe. | 6. | the depression at the summit of a volcano or that which is produced by a meteorite. | 7. | The Latin name for the smooth areas of the moon formely thought to be seas. | 8. | an oval | 10. | a tin gray layer on the surface of the moon. |
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© 2017
PuzzleFast.com, Noncommercial Use Only
Chapter 22 Vocabulary
Across:2. | describes the concept of an Earth-centered universe. | 3. | an eclipse of the moon; it occurs when the moon phases through Earth's shadow. | 4. | an eclipse of the sun; it occurs when the moon moves in a line directly between Earth and the sun, casting a shadow on Earth. | 9. | describes the view that the sun is at the center of the solar system. | 11. | The apparent westward drift. |
| | Down:1. | is the motion of Earth's axis as it traces out a circle on the sky. | 5. | is the science that studies the universe. | 6. | the depression at the summit of a volcano or that which is produced by a meteorite. | 7. | The Latin name for the smooth areas of the moon formely thought to be seas. | 8. | an oval | 10. | a tin gray layer on the surface of the moon. |
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© 2017
PuzzleFast.com, Noncommercial Use Only