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<h1>Planets data</h1>
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<caption> Data about planets of our solar system(Planetary facts taken from
<a href="https://github.com/">Nasa's Planetary Fact Sheet-Metric</a>
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<th></th>
<th>Name</th>
<th>Mass (10<sup>24</sup>)kg</th>
<th>Diameter (km)</th>
<th>Density (kg/m<sup>3</sup>)</th>
<th>Gravity (m/s<sup>2</sup>)</th>
<th>Length of day (hours)</th>
<th>Distance from Sun(10<sup>6</sup>)km</th>
<th>Mean temperature(℃)</th>
<th>Number of moons</th>
<th style="width: 1000px;" >Notes</th>
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<th rowspan="4">Terrestial planets</th>
<th>Mercury</th>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>Closen to the Sun</td>
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<th>Venus</th>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td></td>
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<th>Earth</th>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>Our World</td>
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<th>Mars</th>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>The red planet</td>
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<th rowspan="4">Jovian planet</th>
<th rowspan="2">Gas gaints</th>
<th>Jupiter</th>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>The largest planet</td>
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<th>Saturn</th>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td></td>
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<th rowspan="2">Ice gaints</th>
<th>Uranus</th>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td></td>
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<th>Nepture</th>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td></td>
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<th>Dwarf planets</th>
<th>Pluto</th>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>9</td>
<td>Declassified as a planet in 2006,but this <a href="https://github.com/">remains controversial</a> .</td>
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