click below
click below
Normal Size Small Size show me how
Earth, Moon, and Sun
It's about the earth and vocab
Term | Definition |
---|---|
Rotation | The act of spinning or turning on an axis. |
Axis | An imaginary line that runs from a planet's north pole to its south pole, on which a planet rotates. |
Revolution | The act of traveling in a curved path or orbit around another object. |
Day | Length of time it takes for a planet to rotate once on its axis. |
Year | Length of time it takes for a planet to make one complete revolution around the sun. |
Time Zone | One of the twenty four standard zones into which earth is divided, corresponding to the twenty four hours in a day. |
Orbit | Path an object takes when it revolves around another object. |
Ellipse | an elongated circle; an oval. |
Horizon | The point where the land appears to meet the sky. |
Sunrise | When any part of the Sun's disk becomes visible above the horizon. |
Sunset | When the Sun's disk completely disappears behind the horizon. |