- Stock Photography: EARTH'S ROTATION AND ORBIT by 7activestudio
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- Photo title: Earth's rotation and orbit
- Author: 7activestudio
- Cover photo description:
- Earth revolves around the Sun at an average speed of about 27 kilo meters (17 miles) per second. Our planet moves slower when it is farther away from the Sun and faster when it is closer to the Sun. The reason the Earth (or any planet) has seasons is that Earth is tilted 23 1/2 degrees on its axis. This means that during the northern hemisphere summer the North pole points toward the Sun, receiving direct solar rays, and in the northern hemisphere winter the North Pole is tilted away from the Sun and the rays of the Sun are angled rather than direct. Thus, the season we experience depends not on where the Earth is in its revolutionary orbit around the Sun, but rather the inclination of the axis of the Earth. This means summer in the northern hemisphere actually occurs when Earth is farthest from the Sun, but inclined toward it, and winter occurs when Earth is closest but inclined away.
- Image ID:50133494
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