Astronomy vocabulary
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This document defines key astronomy vocabulary terms: Rotation is turning around an axis or center point. The solar system includes the Earth, moon, planets, and objects that circle the sun. Orbit describes a planet or moon circling another body like the sun. Revolution is completing one orbit. Heliocentric refers to the theory that the Earth and planets revolve around the stationary sun at the center of the universe.
Astronomy vocabulary
- 1. Astronomy Vocabulary Fall 2010 Oak Ridge Elementary
- 2. Rotation I was rotating on my chair in class. Turning around, or spinning, on an axis, or center point. From Tricky’s Photostream on Flickr
- 3. Solar System The Earth is part of our solar system. The Earth, Moon, other planets and objects, that circle around our Sun. From This is Yu’s Photostream on Flickr
- 4. Orbit The planets orbit around the sun. When a planet or moon circles around another body, like the sun. From imageeditor’s Photostream on Flickr
- 5. Revolution For every year the Earth makes one revolution around the Sun. Each time a planet or moon completes an orbit around something.
- 6. heliocentric Galileo believed in heliocentrism. The astronomical theory that the Earth and planets revolve around the Sun and that the Sun is stationary and at the center of the universe.
- 7. Vocabulary Week One • Rotation: Turning around, or spinning, on an axis, or center point. • Solar System: The Earth, Moon, other planets and objects, that circle around our Sun. • Orbit: When a planet or moon circles around another body, like the sun. • Revolution: Each time a planet or moon completes an orbit around something. • Heliocentric: The astronomical theory that the Earth and planets revolve around the Sun and that the Sun is stationary and at the center of the universe.