what is the similarities of earth and mercury?
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While both are terrestrial in nature, Mercury is significantly smaller and less massive than Earth, though it has a similar density. Mercury's composition is also much more metallic than that of Earth, and its 3:2 orbital resonance results in a single day being twice as long as a year.
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At about three thousand miles in diameter, Mercury is the smallest planet in the solar system. But its core is massive — it accounts for more than three-quarters of the little planet's diameter, and more than half its mass. ... So even though Mars is bigger than Mercury, it's less dense — a rocky planet with a difference.
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Within the Solar System, the terrestrial planets are the inner planets closest to the Sun, i.e. Mercury, Venus, Earth, and Mars. The terms "terrestrial planet" and "telluric planet" are derived from Latin words for Earth (Terra and Tellus), as these planets are, in terms of structure, Earth-like.
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On its sunny side, Mercury can reach a scorching 800 degrees Fahrenheit! (But Mercury is not the hottest planet in the solar system. The hottest planet is Venus.) On its dark side, Mercury gets very cold because it has almost no atmosphere to hold in heat and keep the surface warm.
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They are alike in that they are planets and they orbit the same star. They both also have very hot cores and atmospheres. That is about where the similarities end, though. Jupiter is a large (a little more hydrogen and it could be a star) gas giant and orbits far further from the sun than earth.
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The diameter of Mercury is 4,879.4 km, while the diameter of Jupiter is 142,984 km. In other words, Jupiter is 29.3 times bigger across than Mercury. In terms of volume, you could fit 24,462 Mercurys inside Jupiter. Jupiter even has 5,750 times more mass than Mercury.
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Uranus and Neptune have abounding similarities! Consistanly , Neptune and Uranus both are a shade of blue- green colored planets. They both have gas in there cloudy atmosphere which creates the color of the planets. They both have a weird and off centered magnetic field which gives them strength.
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Radius, diameter and circumference Mercury's diameter is 3,030 miles (4,878 km), comparable to the size of the continental United States. This makes it about two-fifths the size of Earth. It is smaller than Jupiter's moon Ganymede and Saturn's moon Titan.
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It has a similar size, mass, density and gravity, as well as a very similar chemical composition. In other ways, Venus is very different than Earth, with its high surface temperature, crushing pressure, and poisonous atmosphere.
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(In case you're wondering, though, Mercury is still significantly larger than the dwarf planet Pluto: Pluto's equatorial diameter is just 2,302 km, about half Mercury's width.)
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Mars and Earth are very different planets when it comes to temperature, size, and atmosphere, but geologic processes on the two planets are surprisingly similar. On Mars, we see volcanoes, canyons, and impact basins much like the ones we see on Earth.
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The answer is planet Mercury. ... So you can see that Mercury is much closer, taking only 88 days to complete an orbit around the Sun. So, Mercury is the closest planet to the Sun. And then Venus is the second closest planet to the Sun, and Earth is the third closest planet to the Sun.
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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.
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Mercury 0.387 193.0 seconds or 3.2 minutes Venus 0.723 360.0 seconds or 6.0 minutes Earth 1.000 499.0 seconds or 8.3 minutes Mars 1.523 759.9 seconds or 12.6 minutes Jupiter 5.203 2595.0 seconds or 43.2 minutes Saturn 9.538 4759.0 seconds or 79.3 minutes Uranus 19.819 9575.0 seconds or 159.6 minutes Neptune 30.058 ...
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In terms of size, scientists now know that Mercury is significantly larger than Pluto. The diameter of Mercury is 4,879.4 km across, while Pluto's diameter is 2,360 km across. So Mercury is about twice as large Pluto.
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Mercury is a terrestrial planet having three main layers: a core, mantle and crust.
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Jupiter and Saturn are alike in several ways. Saturn and Jupiter both have a orbit around the sun. They also have color bands, rings and moons. They both have gas giants and their both planets.