| You are here: Almanahj Website ⇒ American curriculum ⇒ 8th Grade ⇒ Geology ⇒ Term 1 | ||
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Worksheet about earth orbit | ||
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| Subject: Geology | ||
| 8th Grade | ||
| Term 1 | ||
| Year: 2023/2024 | ||
| Size: 182.3KB | ||
| Number of clicks: 98 | ||
| Publish date:November 22, 2023 | ||
| Added by: Eman | ||
| Last download date: 2024-09-11 18:17:58 | ||
| Updated by: Eman9966 on 2023-11-23 15:46:59 | By: theodor VanessaM | |
| File info: Earth's orbit is the path that Earth takes as it revolves around the Sun. The orbit is elliptical, meaning that it is slightly oval-shaped. The average distance between Earth and the Sun is about 149.6 million kilometers (92.96 million miles). This distance is known as one astronomical unit (AU). It takes Earth about 365.24 days to complete one orbit around the Sun. This is known as a sidereal year. Earth's orbit is not perfectly circular, and it is not perfectly flat. The tilt of Earth's axis is about 23.4 degrees. This tilt causes the seasons on Earth. As Earth orbits the Sun, the different parts of the Earth receive different amounts of sunlight. This causes the temperatures to vary throughout the year. The shape of Earth's orbit is also affected by the gravitational pull of other planets. The most significant influence is from Jupiter, the largest planet in the solar system. Jupiter's gravity causes Earth's orbit to precess, which means that the direction of Earth's axis slowly changes over time. This precession takes about 26,000 years to complete. Earth's orbit is essential for life on Earth. The distance between Earth and the Sun is just right for liquid water to exist on the surface of the planet. The tilt of Earth's axis causes the change of seasons, which is also important for life. And the precession of Earth's axis helps to regulate the Earth's climate. Here are some additional facts about Earth's orbit: Earth's orbital speed is about 29.8 kilometers per second (107,200 kilometers per hour; 66,620 miles per hour). The closest point in Earth's orbit to the Sun is called perihelion, which occurs in early January. The farthest point in Earth's orbit from the Sun is called aphelion, which occurs in early July. Earth's orbit is inclined about 1.5 degrees relative to the plane of the solar system's equator. Earth's orbit is a complex and fascinating subject that has been studied by scientists for centuries. Our understanding of Earth's orbit has helped us to better understand our place in the solar system and the universe. | ||
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