Hallo, ich habe folgende Tabelle geschrieben, immer wieder zeigt Firefox sie jedoch falsch an (er vergisst die senkrechten Linien), wenn man nochmal auf aktualisieren drückt stimmt alles wieder. Mal geht's mal nicht! Wie kann das sein? Was ist da falsch?
<table border=1 cellspacing="3" rules=all> <tr> <th></th> <th><a href="#Merkur"><b>Merkur</b></a></th> <th><a href="#Venus"><b>Venus</b></th> <th><a href="#Erde"><b>Erde</b></a></th> <th><a href="#Mars"><b>Mars</b></a></th> <th><a href="#Jupiter"><b>Jupiter</b></a></th> <th><a href="#Saturn"><b>Saturn</b></a></th> <th><a href="#Uranus"><b>Uranus</b></a></th> <th><a href="#Neptun"><b>Neptun</b></a></th> <th><a href="#Pluto"><b>Pluto</b></a></th> <th rowspan=14> </th> <th><a href="#PlanetX">Xena (2003 UB313)</a></th> </tr> <tr bgcolor="#000000"> <td></td> <td><img height="180" src="images_planets/Merkur.gif"></td> <td><img height="180" src="images_planets/Venus-real_color.jpg"></td> <td><img height="180" src="images_planets/Earth_Apollo17_small.jpg"></td> <td><img height="180" src="images_planets/mars.jpg"></td> <td><img height="180" src="images_planets/Jupiter2.jpg"></td> <td><img height="150" src="images_planets/saturn.jpg"></td> <td><img height="180" src="images_planets/uranus.jpg"></td> <td><img height="180" src="images_planets/neptun.jpg"></td> <td><img height="150" src="images_planets/pluto.jpg"></td> <td><img height="180" src="images_planets/Xena.jpg"></td> </tr> <tr> <td><b>Bekannte Monde</b></td> <td>-</td> <td>-</td> <td><b>1</b></td> <td><b>2</b></td> <td><b>63</b></td> <td><b>47</b></td> <td><b>27</b></td> <td><b>13</b></td> <td><b>3</b></td> <td><b>1</b></td> </tr> <tr> <td><b>Durchmesser</b></td> <td>4.878 km</td> <td>12.104 km</td> <td>12.756 km</td> <td>6.794 km</td> <td>142.984 km</td> <td>120.536 km</td> <td>51.118 km</td> <td>49.528 km</td> <td>2.300 km</td> <td>2.385 km</td> </tr> <tr> <td><b>Masse</b></td> <td>0,055 Erdmassen</td> <td>0,82 Erdmassen</td> <td>1 Erdmasse</td> <td>0,11 Erdmassen</td> <td>317,8 Erdmassen</td> <td>95,2 Erdmassen</td> <td>14,5 Erdmassen</td> <td>17,1 Erdmassen</td> <td>0,002 Erdmassen</td> <td>3,9 x 1022 kg</td> </tr>
<tr> <td><b>Temperatur<a href="#maker1"><sup>1</sub></a></b></td> <td ALIGN=CENTER> <table cellspacing="0" cellpadding="2" border="0" rules=cols> <tr> <th>Min</th> <th>Mittel</th> <th>Max</th> </tr> <tr> <td>-170° C</td> <td>170° C</td> <td>430° C</td> </tr> </table> </td> <td ALIGN=CENTER> <table cellspacing="0" cellpadding="2" border="0" rules=cols> <tr> <!--<th>Min</th>--> <th>Mittel</th> <!--<th>Max</th>--> </tr> <tr> <!--<td> </td>--> <td>460° C</td> <!--<td> </td>--> </tr> </table> </td> <td ALIGN=CENTER> <table cellspacing="0" cellpadding="2" border="0" rules=cols> <tr> <th>Min</th> <th>Mittel</th> <th>Max</th> </tr> <tr> <td>-60° C</td> <td>15° C</td> <td>58° C</td> </tr> </table> </td> <td ALIGN=CENTER> <table cellspacing="0" cellpadding="2" border="0" rules=cols> <tr> <th>Min</th> <th>Mittel</th> <th>Max</th> </tr> <tr> <td>-120° C</td> <td>-60° C</td> <td>24° C</td> </tr> </table> </td> <td ALIGN=CENTER> <table border="0" cellspacing="0" cellpadding="2" rules=cols> <tr> <!--<th>Min</th>--> <th>Mittel</th> <!--<th>Max</th>--> </tr> <tr> <!--<td> K</td>--> <td>-100° C</td> <!--<td> K</td>--> </tr> </table> </td> <td ALIGN=CENTER> <table cellspacing="0" cellpadding="2" border="0" rules=cols> <tr> <!--<th>Min</th>--> <th>Mittel</th> <!--<th>Max</th>--> </tr> <tr> <!--<td> K</td>--> <td>-140° C</td> <!--<td> K</td>--> </tr> </table> </td> <td ALIGN=CENTER> <table cellspacing="0" cellpadding="2" border="0" rules=cols> <tr> <!--<th>Min</th>--> <th>Mittel</th> <!--<th>Max</th>--> </tr> <tr> <!--<td> K</td>--> <td>-197° C</td> <!--<td> K</td>--> </tr> </table> </td> <td ALIGN=CENTER> <table cellspacing="0" cellpadding="2" border="0" rules=cols> <tr> <!--<th>Min</th>--> <th>Mittel</th> <!--<th>Max</th>--> </tr> <tr> <!--<td> K</td>--> <td>-200° C</td> <!--<td> K</td>--> </tr> </table> </td> <td ALIGN=CENTER> <table cellspacing="0" cellpadding="2" border="0" rules=cols> <tr> <th>Min</th> <th>Mittel</th> <th>Max</th> </tr> <tr> <td>-240° C</td> <td>-230° C</td> <td>-220° C</td> </tr> </table> </td> <td ALIGN=CENTER> <table cellspacing="0" cellpadding="2" border="0" rules=cols> <tr> <!--<th>Min</th>--> <th>Mittel</th> <!--<th>Max</th>--> </tr> <tr> <!--<td> K</td>--> <td>-240°C</td> <!--<td> K</td>--> </tr> </table> </td> </tr>
<tr> <td><b>Entfernung zur Sonne: Min/Max</b></td> <td>46 / 70 Mio. km</td> <td>108 / 109 Mio. km</td> <td>147 / 152 Mio. km</td> <td>207 / 249 Mio. km</td> <td>741 / 817 Mio. km</td> <td>1434 / 1515 Mio. km</td> <td>2741 / 3004 Mio. km</td> <td>4444,4 / 4546 Mio. km</td> <td>4435 / 7304 Mio. km</td> <td>37,808 / 97,610 AE</td> </tr>
<tr> <td><b>Umlaufzeit</b></td> <td>88 d</td> <td>225 d</td> <td>365,256 d</td> <td>87 d</td> <td>12 a</td> <td>29,5 a</td> <td>84 a</td> <td>164 a</td> <td>248 a</td> <td>557 a</td> </tr>
<tr> <td><b>Tageslänge</b></td> <td>59 d</td> <td>244 d</td> <td>24 h</td> <td>25 h</td> <td>10 h</td> <td>11 h</td> <td>17 h</td> <td>16 h</td> <td>6 d</td> <td></td> </tr>
<tr> <td><b>Neigung der Rotationsachse</b></td> <td>0,01°</td> <td>177°</td> <td>24°</td> <td>25°</td> <td>3°</td> <td>27°</td> <td>82°</td> <td>29°</td> <td>68°</td> <td></td> </tr>
<tr> <td><b>Neigung der Bahnebene</b></td> <td>7°</td> <td>3,4°</td> <td>0,0°</td> <td>1,9°</td> <td>1,3°</td> <td>2,5°</td> <td>8°</td> <td>1,8°</td> <td>17,2°</td> <td>44,2°</td> </tr>
<tr> <td><b>Atmosphäre</b></td> <td>-</td> <td>+</td> <td>+</td> <td>(+)</td> <td>+</td> <td>+</td> <td>+</td> <td>+</td> <td>+</td> <td></td> </tr>
<tr> <td><b>Magnetfeld</b></td> <td>(+)</td> <td>-</td> <td>+</td> <td>-</td> <td>++</td> <td>++</td> <td>+</td> <td>+</td> <td>-</td> <td></td> </tr>
<tr> <td><b>Ringe</b></td> <td>-</td> <td>-</td> <td>-</td> <td>-</td> <td>(+)</td> <td>++ (100 000)</td> <td>+ (11)</td> <td>+ (6)</td> <td>-</td> <td></td> </tr> <tr> </tr> <tr> <td colspan=12>+:ja; ++:stark; (+):schwach; -:nein <a name="maker1"><sup>1</sup>: bei Gesteinsplaneten an der Oberfläche; bei Gasplaneten bei 1 bar</a></td> </tr> </table>