<div dir="ltr"><div class="gmail-td-post-header" style="box-sizing:border-box;color:rgb(0,0,0);font-family:Verdana,Geneva,sans-serif;font-size:14px"><h1 class="entry-title" style="box-sizing:border-box;font-size:41px;margin:0px 0px 7px;font-family:Roboto,sans-serif;color:rgb(17,17,17);font-weight:400;line-height:50px"></h1><div class="gmail-td-module-meta-info" style="box-sizing:border-box;font-family:&quot;Open Sans&quot;,arial,sans-serif;font-size:11px;margin-bottom:16px;line-height:1;min-height:17px"><div class="gmail-td-post-author-name" style="box-sizing:border-box;display:inline-block;color:rgb(68,68,68);float:left"><div class="gmail-td-author-by" style="box-sizing:border-box;display:inline;margin-right:2px">Por</div> <a href="https://zap.aeiou.pt/author/zap" style="box-sizing:border-box;background-color:transparent;color:rgb(0,0,0);text-decoration-line:none;font-weight:700;margin-right:3px">ZAP</a><div class="gmail-td-author-line" style="box-sizing:border-box;display:inline;margin-right:2px"> -</div></div><span class="gmail-td-post-date" style="box-sizing:border-box;color:rgb(68,68,68);display:inline-block;margin-left:4px;float:left"><a href="https://zap.aeiou.pt/date/2020/05/09" style="box-sizing:border-box;background-color:transparent;color:rgb(68,68,68);text-decoration-line:none">9 Maio, 2020</a></span></div></div><div class="gmail-td-post-content" style="box-sizing:border-box;font-size:15px;line-height:26px;margin-top:21px;padding-bottom:16px;font-family:Verdana,Geneva,sans-serif"><div id="gmail-attachment_24925" class="gmail-wp-caption gmail-aligncenter" style="box-sizing:border-box;text-align:center;max-width:100%;clear:both;margin:6px auto;width:700px"><p class="gmail-wp-caption-text gmail-top" style="box-sizing:border-box;font-size:12px;line-height:26px;margin:0px;text-align:right;font-style:italic;color:rgb(68,68,68)">NASA</p><img class="gmail-wp-image-24925 gmail-size-kopa-image-size-3 gmail-td-animation-stack-type0-1" src="https://zap.aeiou.pt/wp-content/uploads/2014/04/7b85ee45a04278350e3da2001f543354-783x450.jpg" alt="" width="700" height="402" style="box-sizing: border-box; border: 0px; max-width: 100%; height: auto; margin-bottom: 28px; width: 696px; display: block;"></div><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:26px"><strong style="box-sizing:border-box">Há mais de 2.000 satélites ativos a orbitar a Terra. No fim da sua vida útil, muitos queimam ao entrar na atmosfera terrestre. Porém, alguns continuam a circular no Espaço como satélites “zombies” – não estão vivos, mas também não estão completamente mortos.</strong></p><div id="gmail-inline-mrec" style="box-sizing:border-box;margin-top:10px;margin-bottom:10px"></div><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:26px"><strong style="box-sizing:border-box">Scott Tilley</strong>, um operador de rádio amador que mora no Canadá, tem uma paixão por caçar estes satélites perdidos. Em 2018, encontrou um sinal de uma sonda da NASA chamada <em style="box-sizing:border-box">IMAGE</em> que a agência espacial tinha perdido de vista em 2005. Com a ajuda de Tilley, a NASA conseguiu restabelecer o contacto com o objeto.</p><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:26px">Tilley já encontrou satélites ainda mais antigos do que a <em style="box-sizing:border-box">IMAGE</em>. “O mais antigo que eu já vi foi o<strong style="box-sizing:border-box"> Transit 5B-5</strong>. E foi lançado em 1965″, disse, em declarações ao <a href="https://www.npr.org/2020/04/24/843493304/long-lost-u-s-military-satellite-found-by-amateur-radio-operator?t=1588866687685" target="_self" rel="nofollow external noopener noreferrer" class="ext-link" style="box-sizing:border-box;background-color:transparent;color:inherit;text-decoration-line:none;border-bottom:2px solid rgb(77,178,236)">NPR, </a>referindo-se a um satélite de navegação da Marinha dos Estados Unidos movido a energia nuclear que ainda circula a Terra numa órbita polar há muito esquecida.</p><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:26px">Recentemente, Tilley interessou-se por um satélite de comunicações que achava que ainda poderia estar vivo – ou pelo menos entre os mortos-vivos. O <strong style="box-sizing:border-box">LES-5</strong>, construído pelo Laboratório Lincoln do Instituto de Tecnologia de Massachusetts, foi lançado em 1967.</p><div id="gmail-zap-native" style="box-sizing:border-box;line-height:0"><div id="gmail-google_ads_iframe_/1111242/zap_native_0__container__" style="box-sizing:border-box;border:0pt none;margin:auto;text-align:center"><div id="gmail-plista_widget_outstream_5eb974d85104220" class="gmail-plista_widget_outstream" style="box-sizing:border-box;clear:inherit"></div></div></div><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:26px">Tilley inspirou-se noutro amador que, em 2016, encontrou o LES-1, um satélite anterior construído pelo mesmo laboratório. O que era intrigante sobre o LES-5 era que, se ainda estivesse a funcionar, poderia ser o <strong style="box-sizing:border-box">satélite mais antigo em funcionamento</strong> em órbita geoestacionária.</p><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:26px">Na Internet, Tilley encontrou um documento que descrevia a frequência de rádio em que o LES-5, um satélite militar de comunicações de frequência ultra-alta experimental, deveria estar a operar se ainda estivesse vivo.</p><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:26px">Com a chegada da pandemia de covid-19 à Colúmbia Britânica, onde Tilley vive, o amador ficou confinado a sua casa – altura em que decidiu pôr mãos à obra. Em 24 de março, encontrou o LES-5. Desde então, tem feito medições adicionais.</p><div class="gmail-oembed gmail-oembed-rich gmail-oembed-twitter-com gmail-oembed-rich-twitter-com" style="box-sizing:border-box;text-align:center;margin:0px auto;width:417.6px"><span class="gmail-twitter-tweet gmail-twitter-tweet-rendered" id="gmail-twitter-widget-0" style="box-sizing:border-box;display:block;max-width:100%;width:550px;min-width:220px;margin:10px auto"><div class="gmail-SandboxRoot env-bp-350" style="max-height:10000px;direction:ltr;text-align:left;background:0px 0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:16px;line-height:1.4;font-family:Helvetica,Roboto,&quot;Segoe UI&quot;,Calibri,sans-serif;color:rgb(28,32,34);white-space:initial"><div class="gmail-EmbeddedTweet gmail-EmbeddedTweet--cta gmail-js-clickToOpenTarget" id="gmail-twitter-widget-0" lang="pt" style="overflow:hidden;border:1px solid rgb(225,232,237);border-radius:5px;max-width:520px"><div class="gmail-EmbeddedTweet-tweetContainer"><div class="gmail-EmbeddedTweet-tweet" style="padding:20px 20px 10px"><blockquote class="gmail-Tweet gmail-h-entry gmail-js-tweetIdInfo gmail-subject expanded" cite="https://twitter.com/coastal8049/status/1242652814465105920" style="margin:0px;padding:0px;list-style:none;border:none"><div class="gmail-Tweet-header" style="display:flex"><a class="gmail-TweetAuthor-avatar gmail-Identity-avatar gmail-u-linkBlend" href="https://twitter.com/coastal8049" style="background-color:transparent;color:inherit;text-decoration:inherit;height:36px;margin-right:9px;outline:0px;font-weight:inherit"><img class="gmail-Avatar" alt="" src="https://pbs.twimg.com/profile_images/543649429949931520/oD2rLksu_normal.jpeg" style="border: 0px; max-width: 100%; max-height: 100%; border-radius: 50%;"></a><div class="gmail-TweetAuthor gmail-js-inViewportScribingTarget" style="display:flex;overflow:hidden;width:min-content"><a class="gmail-TweetAuthor-link gmail-Identity gmail-u-linkBlend" href="https://twitter.com/coastal8049" style="background-color:transparent;color:inherit;text-decoration:inherit;display:flex;outline:0px;font-weight:inherit"><div class="gmail-TweetAuthor-nameScreenNameContainer" style="display:flex;line-height:1.2;min-width:0px"><span class="gmail-TweetAuthor-decoratedName" style="display:flex;min-width:0px"><span class="gmail-TweetAuthor-name gmail-Identity-name gmail-customisable-highlight" title="Scott Tilley" style="font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-right:4px">Scott Tilley</span></span><span class="gmail-TweetAuthor-screenName gmail-Identity-screenName" title="@coastal8049" dir="ltr" style="color:rgb(105,120,130);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap">@coastal8049</span></div></a></div><div class="gmail-Tweet-brand" style="margin-left:auto"><a href="https://twitter.com/coastal8049/status/1242652814465105920" style="background-color:transparent;color:rgb(43,123,185);text-decoration-line:none;outline:0px"><span class="gmail-FollowButton-bird"><div class="gmail-Icon gmail-Icon--twitter" title="Ver no Twitter" style="display:inline-block;height:1.25em;background-repeat:no-repeat;background-size:contain;vertical-align:text-bottom;width:1.25em"></div></span></a></div></div><div class="gmail-Tweet-body gmail-e-entry-content" style="margin-top:13px"><div class="gmail-Tweet-target gmail-js-inViewportScribingTarget" style="height:1px;width:1px"></div><p class="gmail-Tweet-text gmail-e-entry-title" lang="en" dir="ltr" style="margin:0px;padding:0px;list-style:none;border:none;white-space:pre-wrap;direction:ltr">Well folks, here&#39;s what appears to be a new ZOMBIE SAT! <br><br>LES-5 [2866, 1967-066E] in a GEO graveyard orbit.<br><br>Confirmation will occur at ~0445 UTC this evening when the satellite should pass through eclipse.<br><br>If so this is definitely the oldest emitting GEOsat I know of.</p><div class="gmail-Tweet-card" style="margin-top:10.4px;font-size:14px"><div class="gmail-MediaCard-media" style="width:375.6px;overflow:hidden"><div class="gmail-MediaCard-widthConstraint gmail-js-cspForcedStyle" style="max-width:2000px"><div class="gmail-MediaCard-mediaContainer gmail-MediaCard--roundedTop gmail-MediaCard--roundedBottom gmail-js-cspForcedStyle" style="padding-bottom:375.6px;background-color:rgb(245,248,250);overflow:hidden;border-radius:4px"><a href="https://twitter.com/coastal8049/status/1242652814465105920" class="gmail-MediaCard-mediaAsset gmail-MediaCard-mediaPlaceholder gmail-NaturalImage gmail-NaturalImage--fill gmail-js-playableMediaInterstitial" style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial;color:rgb(43,123,185);text-decoration-line:none;display:block;width:375.6px;height:375.6px;line-height:0;outline:0px"><div class="gmail-NaturalImage-ctaOverlay gmail-PlayButton gmail-PlayButton--centered" style="font-size:43px;background-color:transparent"><div class="gmail-Icon gmail-Icon--playCircle" title="Reproduzir Mídia" style="display:inline-block;height:1.25em;background-repeat:no-repeat;background-size:contain;vertical-align:text-bottom;width:1.04167em"></div></div><img class="gmail-NaturalImage-image" alt="Vídeo incorporado" src="https://pbs.twimg.com/ext_tw_video_thumb/1242651698113331201/pu/img/MXlHJeACGuxcnffz?format=jpg&amp;name=small" style="border: 0px; max-width: 100%; line-height: 0; height: auto; width: 375.6px;"></a></div></div></div></div><div class="gmail-TweetInfo" style="display:flex;margin-top:10.4px;font-size:14px"><div class="gmail-TweetInfo-like"><a class="gmail-TweetInfo-heart" title="Curtiu" href="https://twitter.com/intent/like?tweet_id=1242652814465105920" style="background-color:transparent;color:rgb(43,123,185);text-decoration-line:none;display:flex;outline:0px"><div><div class="gmail-Icon gmail-Icon--heart" title="Curtiu" style="display:inline-block;height:1.25em;background-repeat:no-repeat;background-size:contain;vertical-align:text-bottom;width:1.25em"></div></div><span class="gmail-TweetInfo-heartStat" style="margin-left:3px">393</span></a></div><div class="gmail-TweetInfo-timeGeo" style="margin-left:12px;color:rgb(105,120,130)"><a class="gmail-u-linkBlend gmail-u-url gmail-customisable-highlight gmail-long-permalink" href="https://twitter.com/coastal8049/status/1242652814465105920" style="background-color:transparent;color:inherit;text-decoration:inherit;outline:0px;font-weight:inherit">04:21 - 25 de mar de 2020</a></div><div class="gmail-tweet-InformationCircle"><a href="https://support.twitter.com/articles/20175256" class="gmail-Icon gmail-Icon--informationCircleWhite gmail-js-inViewportScribingTarget" title="Informações e privacidade no Twitter Ads" style="background-color:transparent;color:rgb(43,123,185);text-decoration-line:none;display:inline-block;height:18px;background-repeat:no-repeat;background-size:contain;vertical-align:text-bottom;width:18px;outline:0px"><span class="gmail-u-hiddenVisually" style="overflow:hidden;width:1px;height:1px;padding:0px;border:0px">Informações e privacidade no Twitter Ads</span></a></div></div></div></blockquote></div><a class="gmail-CallToAction" title="Ver a conversa no Twitter" href="https://twitter.com/coastal8049/status/1242652814465105920" style="background-color:transparent;color:rgb(43,123,185);text-decoration-line:none;display:flex;border-color:rgb(225,232,237);border-style:solid;border-radius:0px 0px 4px 4px;border-width:1px 0px 0px;padding:9px 20px;font-size:14px;outline:0px"><div class="gmail-CallToAction-icon" style="display:inline"><div class="gmail-Icon gmail-Icon--replyCTA" title="Ver a conversa no Twitter" style="height:1.25em;background-repeat:no-repeat;background-size:contain;vertical-align:text-bottom;width:1.25em"></div></div><div class="gmail-CallToAction-text" style="margin-left:4px">144 pessoas estão falando sobre isso</div><div class="gmail-CallToAction-chevron" style="margin-left:auto;display:inline"><div class="gmail-Icon gmail-Icon--chevronRightCTA" title="Ver no Twitter" style="height:1.25em;background-repeat:no-repeat;background-size:contain;vertical-align:text-bottom;width:1.25em"><span style="font-family:Verdana,Geneva,sans-serif;font-size:15px;color:rgb(34,34,34)">“A razão pela qual este [satélite] é intrigante é que o seu farol de telemetria ainda está em operação”, disse Tilley, ao</span><span style="font-family:Verdana,Geneva,sans-serif;font-size:15px;color:rgb(34,34,34)"> </span><em style="font-family:Verdana,Geneva,sans-serif;font-size:15px;color:rgb(34,34,34);box-sizing:border-box">NPR</em><span style="font-family:Verdana,Geneva,sans-serif;font-size:15px;color:rgb(34,34,34)">.</span><br></div></div></a></div></div></div></span></div><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:26px">Assim, embora o satélite devesse ter-se desligado em 1972,<strong style="box-sizing:border-box"> ainda está a funcionar</strong>. Enquanto os painéis solares estiverem ao Sol, o rádio do satélite vai continuar a operar. Tilley acha mesmo que pode até ser possível enviar comandos para o satélite.</p><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:26px">Parece que até um satélite zombie com 50 anos ainda pode ter segredos por desvendar.</p><div class="gmail-oembed gmail-oembed-rich gmail-oembed-zap-aeiou-pt gmail-oembed-rich-zap-aeiou-pt" style="box-sizing:border-box;text-align:center;margin:0px auto;width:417.6px"><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:26px"></p></div><div id="gmail-sig_shortcode" style="box-sizing:border-box"><p style="box-sizing:border-box;line-height:26px;margin-top:0px;margin-bottom:0px;padding-left:45px">Fonte: ZAP //</p></div></div></div>