x using the equatorial diameter how large is mars compared to earth?
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Mars (diameter 6790 kilometers) is only slightly more than half the size of Earth (diameter 12750 kilometers). Note the difference in color between the two planets. Almost 70% of Earth's surface is covered by liquid water.
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New Horizons observations of Charon confirm previous estimates of 751 miles across, about half the size of Pluto. By comparison, Earth has a diameter of 7,918 miles, making it more than five times the size of Pluto. Jupiter is by far the solar system's largest planet with a diameter of 86,881 miles.
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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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With a radius of 15,759.2 miles (25,362 kilometers), Uranus is 4 times wider than Earth. If Earth was the size of a nickel, Uranus would be about as big as a softball.
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The acceleration due to gravity on the surface of planet X is 19.6 meters per second2. If an object on the surface of this planet weighs 980. newtons, the mass of the object is Page 2 12.
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Mercury has a diameter of 3,032 miles (4,879 km) making it a little more than one third the size of Earth. If Earth were the size of a baseball, Mercury would be about the size of a golf ball.
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Sol) is very close to single day on Earth. Mars's axial tilt is very similar to Earth's, being inclined 25.19° to its orbital plane (whereas Earth's axial tilt is just over 23°). This means that Mars also experiences seasons and temperature variations similar to that of Earth (see below).
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For low-mass planets, the radius is increasing with increasing mass, and the M-R relation we derive is: R ∝ M0. 55±0.02, whereas for the large planets, the radius is almost independent of the mass, and the M-R relation is R ∝ M0. 01±0.02.
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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. From an average distance of 67 million miles (108 million kilometers), Venus is 0.7 astronomical units away from the Sun.
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Mars (diameter 6790 kilometers) is only slightly more than half the size of Earth (diameter 12750 kilometers). Note the difference in color between the two planets. Almost 70% of Earth's surface is covered by liquid water. In contrast, Mars now has no liquid water on its surface and is covered with bare rock and dust.
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Fortunately for us, Earth's gravity is strong enough to hold onto its atmosphere. Mars, for example, is less than half Earth's size and around one-tenth Earth's mass. Less mass means less gravitational pull. ... That means, the air nearer Earth's surface is squished by the air above it, and is thus denser.
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Currently voted the best answer. During the Mars minimum, the day at which Mars and Earth are closest together, Mars is 55,746,199 km from Earth. If a spacecraft were to travel at the speed of sound (761 miles per hour or 1217.6 kilometers per hour) then it would take 45783 hours and 36 minutes.
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12104 kilometer is the diameter of Venus.It is larger than Moon and smaller than Sun. Among planets it is larger than Mars and smaller than Earth.
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Gravity of Mars. ... It is weaker than Earth's gravity due to the planet's smaller mass. The average gravitational acceleration on Mars is 3.72076 ms−2 (about 38% of that of Earth) and it varies laterally.
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The four gas giants are larger than Earth: Jupiter, Saturn, Uranus and Neptune. Venus is slightly smaller, but very nearly the same size as Earth. Mercury and Mars are smaller than Earth. So there are 4 planets larger than Earth in our solar system, and they are the four gas giants.
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Venus gets closer to the Earth than Mars or any other planet: 38.2 million kilometers (23.7 million miles).
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Size, Mass and Orbit: The diameter of Mercury is 4,879 km, which is approximately 38% the diameter of Earth. In other words, if you put three Mercurys side by side, they would be a little larger than the Earth from end to end.