are the moon and earth the same size?
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The moon is a bit more than one-fourth (27 percent) the size of Earth, a much smaller ratio (1:4) than any other planets and their moons. ... The moon's mean radius is 1,079.6 miles (1,737.5 kilometers). Double those figures to get its diameter: 2,159.2 miles (3,475 km), less than a third the width of Earth.
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Size and Distance With a radius of 3,760 miles (6,052 kilometers), Venus is roughly the same size as Earth — just slightly smaller.
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Scientists thought the Earth and moon were approximately the same age, about 4.57 billion years old. But a new analysis of lunar rock samples suggests that Earth's moon is 200 million years younger than the previous estimate. ... The moon's age is based on the oldest ages determined for moon rocks.
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It is all thanks to a striking coincidence. The sun is about 400 times as wide as the moon, but it is also 400 times further away. The two therefore look the same size in the sky – a unique situation among our solar system's eight planets and 166 known moons.
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Our moon is hence a moon. No, but only because it orbits us. The only difference between a planet and a dwarf planet is the area surrounding each celestial body. ... Since the new definition, three objects in our solar system have been classified as dwarf planets: Pluto, Ceres and Eris.
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Since the Moon orbits the Earth and the Earth orbits the Sun, both the Moon and the Earth are the same average distance away from the Sun. On average, the Earth and Moon are about 150 million kilometres (or 93 million miles) from the Sun!
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How far is the Moon from the sun? Since the Moon orbits the Earth and the Earth orbits the Sun, both the Moon and the Earth are the same average distance away from the Sun. On average, the Earth and Moon are about 150 million kilometres (or 93 million miles) from the Sun!
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Characteristics of our Moon include its size of only about 1/4 the diameter of the Earth, while its gravity affects the Earth's tides. The Moon looks bright at night because of sunlight that is reflected off its surface. It has some distinct surface features that can be seen with the naked eye.
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Earth's Moon's rotation and orbital periods are tidally locked with each other, so no matter when the Moon is observed from Earth, the same hemisphere of the Moon is always seen.
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The Moon is made of rock and metal—just like the Earth and the other rocky planets (Mercury, Venus and Mars). The crust, the Moon's outer shell, is covered by lunar soil, also called regolith: a blanket of fine rock particles, varying between three and 20 meters (10–65 feet) deep.
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Put another way, Earth weighs 81 times more than the moon. The moon's density is 3.34 grams per cubic centimeter (3.34 g/cm3).
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A day on the Moon is 27.32 Earth days or 655.72 hours long.
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The moon's orbit around Earth is elliptical. At perigee — its closest approach — the moon comes as close as 225,623 miles (363,104 kilometers). At apogee — the farthest away it gets — the moon is 252,088 miles (405,696 km) from Earth. On average, the distance from Earth to the moon is about 238,855 miles (384,400 km).
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The Moon's mean radius is 1080 miles so its surface area is 14,657,415 square miles. One acre = . 001562 square miles, so the lunar surface has approximately 9,383,748,198 acres.
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Our Moon's shape doesn't really change — it only appears that way! The “amount” of Moon that we see as we look from Earth changes in a cycle that repeats about once a month (29.5 days).
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Earth. Scientists only recently learned that our moon is mostly made of the same basic material as Earth, likely a result of its troubled birth. As our planet was forming, astronomers think it collided with a Mars-sized body they've named Theia. ... could fit between it and Earth.
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The average distance from the center of the earth to the center of the moon is 384,400,000 m . The gravitational force between the earth and the moon is the same as between any other two masses in the universe. This equation works for any 2 masses, the earth and you, even the earth and the moon.