Table: Scrollable

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    <table>
        <caption>
            Data about the planets of our solar system (Source:
            <a href="https://nssdc.gsfc.nasa.gov/planetary/factsheet/">Nasa's Planetary Fact Sheet - Metric</a>).
        </caption>
        <thead>
            <tr>
                <td colspan="2"></td>
                <th scope="col">Name</th>
                <th scope="col">Mass (10<sup>24</sup>kg)</th>
                <th scope="col">Diameter (km)</th>
                <th scope="col">Density (kg/m<sup>3</sup>)</th>
                <th scope="col">Gravity (m/s<sup>2</sup>)</th>
                <th scope="col">Length of day (hours)</th>
                <th scope="col">Distance from Sun (10<sup>6</sup>km)</th>
                <th scope="col">Mean temperature (°C)</th>
                <th scope="col">Number of moons</th>
                <th scope="col">Notes</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <th colspan="2" rowspan="4" scope="rowgroup">Terrestrial planets</th>
                <th scope="row">Mercury</th>
                <td>0.330</td>
                <td>4,879</td>
                <td>5427</td>
                <td>3.7</td>
                <td>4222.6</td>
                <td>57.9</td>
                <td>167</td>
                <td>0</td>
                <td>Closest to the Sun</td>
            </tr>
            <tr>
                <th scope="row">Venus</th>
                <td>4.87</td>
                <td>12,104</td>
                <td>5243</td>
                <td>8.9</td>
                <td>2802.0</td>
                <td>108.2</td>
                <td>464</td>
                <td>0</td>
                <td></td>
            </tr>
            <tr>
                <th scope="row">Earth</th>
                <td>5.97</td>
                <td>12,756</td>
                <td>5514</td>
                <td>9.8</td>
                <td>24.0</td>
                <td>149.6</td>
                <td>15</td>
                <td>1</td>
                <td>Our world</td>
            </tr>
            <tr>
                <th scope="row">Mars</th>
                <td>0.642</td>
                <td>6,792</td>
                <td>3933</td>
                <td>3.7</td>
                <td>24.7</td>
                <td>227.9</td>
                <td>-65</td>
                <td>2</td>
                <td>The red planet</td>
            </tr>
            <tr>
                <th rowspan="4" scope="rowgroup">Jovian planets</th>
                <th rowspan="2" scope="rowgroup">Gas giants</th>
                <th scope="row">Jupiter</th>
                <td>1898</td>
                <td>142,984</td>
                <td>1326</td>
                <td>23.1</td>
                <td>9.9</td>
                <td>778.6</td>
                <td>-110</td>
                <td>67</td>
                <td>The largest planet</td>
            </tr>
            <tr>
                <th scope="row">Saturn</th>
                <td>568</td>
                <td>120,536</td>
                <td>687</td>
                <td>9.0</td>
                <td>10.7</td>
                <td>1433.5</td>
                <td>-140</td>
                <td>62</td>
                <td></td>
            </tr>
            <tr>
                <th rowspan="2" scope="rowgroup">Ice giants</th>
                <th scope="row">Uranus</th>
                <td>86.8</td>
                <td>51,118</td>
                <td>1271</td>
                <td>8.7</td>
                <td>17.2</td>
                <td>2872.5</td>
                <td>-195</td>
                <td>27</td>
                <td></td>
            </tr>
            <tr>
                <th scope="row">Neptune</th>
                <td>102</td>
                <td>49,528</td>
                <td>1638</td>
                <td>11.0</td>
                <td>16.1</td>
                <td>4495.1</td>
                <td>-200</td>
                <td>14</td>
                <td></td>
            </tr>
            <tr>
                <th colspan="2" scope="rowgroup">Dwarf planets</th>
                <th scope="row">Pluto</th>
                <td>0.0146</td>
                <td>2,370</td>
                <td>2095</td>
                <td>0.7</td>
                <td>153.3</td>
                <td>5906.4</td>
                <td>-225</td>
                <td>5</td>
                <td>
                    Declassified as a planet in 2006, but this
                    <a href="https://www.usatoday.com/story/tech/2014/10/02/pluto-planet-solar-system/16578959/">remains controversial</a>.
                </td>
            </tr>
        </tbody>
    </table>
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