The animation shows a complete revolution of the Earth around the sun. What happens during this time? (1 point)
answer is four seasons occur on earth
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To understand what happens during a complete revolution of the Earth around the sun, we first need to know what a revolution means in this context. A revolution refers to one full orbit of the Earth around the sun. This orbit takes approximately 365.25 days, which is the length of a year.
During this time, several significant events occur:
1. Seasons: As the Earth revolves around the sun, its axis remains tilted at about 23.5 degrees. This tilt causes the changing seasons we experience. For example, when a specific hemisphere is tilted towards the sun, it experiences summer, while the hemisphere tilted away from the sun experiences winter.
2. Day and Night: The revolution of Earth around the sun also affects the length of daylight. As the Earth moves in its orbit, different parts of the planet receive varying amounts of sunlight, resulting in varying lengths of daylight and darkness.
3. Ecliptic: The Earth's revolution defines the plane of its orbit known as the ecliptic. This plane is important because it determines the path on which the sun, moon, and planets appear to travel across the sky.
4. Astronomical Events: During the Earth's revolution, certain astronomical phenomena occur, including equinoxes and solstices. Equinoxes happen when the sun crosses the celestial equator, resulting in equal lengths of day and night. Solstices occur when the sun reaches its highest or lowest point in the sky, marking the longest and shortest days of the year.
To observe and understand these phenomena and events during the Earth's revolution around the sun, scientists use a combination of observations, calculations, and measurements from various tools such as telescopes, satellites, and other astronomical instruments.