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Chapter 22 Vocabulary
7
Astronomy: The science that studies the universe.
Geocentric: Describes the concept of an Earth-centred universe.
Orbit: The path of an object as it goes around another object in space.
Heliocentric: Sun-Centred
Retrograde Motion: The apparent westward drift
Ellipse: An oval-shaped path.
Astronomical Unit: The average distance between Earth and the Sun.
Chapter 22 Vocabulary
Across:5. | Describes the concept of an Earth-centred universe. |
| | | Down:1. | Sun-Centred | 2. | The apparent westward drift | 3. | The average distance between Earth and the Sun. |
| 4. | The science that studies the universe. | 6. | The path of an object as it goes around another object in space. |
| |
© 2017
PuzzleFast.com, Noncommercial Use Only
Chapter 22 Vocabulary
Across:5. | Describes the concept of an Earth-centred universe. |
| | | Down:1. | Sun-Centred | 2. | The apparent westward drift | 3. | The average distance between Earth and the Sun. |
| 4. | The science that studies the universe. | 6. | The path of an object as it goes around another object in space. |
| |
© 2017
PuzzleFast.com, Noncommercial Use Only