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Mars - pojem
kill686
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11-3-2006 6:32 AM
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/6cff9764-a52b-4631-8114-91a9af7e7d1a/A6A3E353-E476-4610-B608-5BAA00DC2C8E/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.vseved.cz/index.php?heslo=4b2b975f37041fea866d96c48fb17545111148941&fstr=Mars&fulltxt=&asc=" href="http://www.vseved.cz/index.php?heslo=4b2b975f37041fea866d96c48fb17545111148941&fstr=Mars&fulltxt=&asc=" style="font-size: 11px;">www.vseved.cz</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.vseved.cz/index.php?heslo=4b2b975f37041fea866d96c48fb17545111148941&fstr=Mars&fulltxt=&asc="><H1>Mars planeta</H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.vseved.cz/index.php?heslo=4b2b975f37041fea866d96c48fb17545111148941&fstr=Mars&fulltxt=&asc="><P><B> Mars, </B> <I> astr </I> . planeta sluneční soustavy, obíhající kolem Slunce ve stř. vzdálenosti 2,28 . 10<SUP>8</SUP> km jednou za 686,98 dne; k Zemi se přibližuje až na 55 mil. km. Rovníkový průměr 6 794 km, hm. asi desetina hm. Země, stř. hustota 3 930 kg.m <SUP>3</SUP>, kolem osy se otočí jednou za 24 h 37 min 23 s. Rídká atmosféra obsahuje oxid uhelnatý, oxid uhličitý a malé množství vody. Povrch planety zbarven do červena, kolem pólů nápadné bílé čepičky, které se v létě zmenšují. Tzv. marťanské kanály jsou ve skutečnosti řadou temnějších skvrn a stínů. M. má dva měsíce, Phobos a Deimos. - lnformace o fyz. podmínkách na M. a v jeho okolí podaly četné meziplanetární stanice, které přistály na povrchu, popř. se staly jeho umělými družicemi, např. sov. sondy typu Mars, amer. Marinery nebo Vikingy, které mj. hledaly - bez kladného výsledku - existenci života na Marsu.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/A6A3E353-E476-4610-B608-5BAA00DC2C8E/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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