{"id":178528,"date":"2018-11-04T18:59:00","date_gmt":"2018-11-04T23:59:00","guid":{"rendered":"https:\/\/www.panix.com\/~msaroff\/40years\/2018\/11\/04\/fascinating-3\/"},"modified":"2018-11-04T18:59:00","modified_gmt":"2018-11-04T23:59:00","slug":"fascinating-3","status":"publish","type":"post","link":"https:\/\/www.panix.com\/~msaroff\/40years\/2018\/11\/04\/fascinating-3\/","title":{"rendered":"Fascinating"},"content":{"rendered":"<div><a href=\"https:\/\/i.imgur.com\/y13UrNK.gif\"><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/y13UrNK.gif\" style=\"cursor: pointer; float: right; margin: 0px 0px 10px 10px;\" width=\"350\" \/><\/a>Some professors at Harvard are suggesting that <a href=\"https:\/\/www.sciencealert.com\/new-harvard-study-suggests-weird-interstellar-object-oumuamua-could-be-an-alien-solar-sail\">the &#8216;Oumuamua interstellar object might be some form of space craft<\/a>:<\/div>\n<blockquote><p><span style=\"color: blue;\">On <a href=\"https:\/\/www.universetoday.com\/137621\/first-interstellar-comet-discovered\/\">October 19th, 2017<\/a>, the <a href=\"https:\/\/panstarrs.stsci.edu\/\">Panoramic Survey Telescope and Rapid Response System<\/a>-1 (Pan-STARRS-1) in Hawaii announced the first-ever detection of an interstellar asteroid, named 1I\/2017 U1 (AKA &#8216;Oumuamua). <\/p>\n<p>In the months that followed, multiple follow-up observations were conducted that allowed astronomers to get a better idea of its <a href=\"https:\/\/www.universetoday.com\/137944\/interstellar-asteroid-probably-pretty-strange-looking\/\">size and shape<\/a>, while also revealing that it had the characteristics of both a <a href=\"https:\/\/www.universetoday.com\/138108\/updates-oumuamau-maybe-comet-actually-oh-no-word-aliens\/\">comet and an asteroid<\/a>.<\/p>\n<p>Interestingly enough, there has also been some speculation that based on its shape, &#8216;Oumuamua might actually be an interstellar spacecraft (<a href=\"https:\/\/www.universetoday.com\/138054\/breakthrough-listen-is-going-to-scan-oumuamua-you-know-just-to-be-sure-its-just-an-asteroid-and-not-a-spaceship\/\">Breakthrough Listen<\/a> even monitored it for signs of radio signals!).<\/p>\n<p>A <a href=\"https:\/\/arxiv.org\/pdf\/1810.11490.pdf\">new study<\/a> by a pair of astronomers from the Harvard Smithsonian Center for Astrophysics (CfA) has taken it a step further, suggesting that &#8216;Oumuamua may actually be a light sail of extra-terrestrial origin.<\/p>\n<p>The study \u2013 &#8220;Could Solar Radiation Pressure Explain &#8216;Oumuamua&#8217;s Peculiar  Acceleration?&#8221;, which recently appeared online \u2013 was conducted by  Shmuel Bialy and Prof. Abraham Loeb. Whereas Bialy is a postdoctoral  researcher at the CfA&#8217;s&nbsp;<a href=\"https:\/\/itc.cfa.harvard.edu\/\">Institute for Theory and Computation<\/a>&nbsp;(ITC),  Prof. Loeb is the director of the ITC, the Frank B. Baird Jr. Professor  of Science at Harvard University, and the head chair of the&nbsp;<a href=\"https:\/\/breakthroughinitiatives.org\/initiative\/3\">Breakthrough Starshot<\/a>&nbsp;Advisory Committee.<\/span><\/p><\/blockquote>\n<p>The object has been accelerating away from the sun, which might be caused by out-gassing, but there was no out-gassing on the way in, and the object&#8217;s rotation has not changed, which would normally happen with out-gassing.<\/p>\n<p>Unfortunately, we will never know for sure. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Some professors at Harvard are suggesting that the &#8216;Oumuamua interstellar object might be some form of space craft: On October 19th, 2017, the Panoramic Survey Telescope and Rapid Response System-1 (Pan-STARRS-1) in Hawaii announced the first-ever detection of an interstellar asteroid, named 1I\/2017 U1 (AKA &#8216;Oumuamua). In the months that followed, multiple follow-up observations were &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[565,427,419],"class_list":["post-178528","post","type-post","status-publish","format-standard","hentry","tag-astronomy","tag-science","tag-space"],"_links":{"self":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/178528"}],"collection":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/comments?post=178528"}],"version-history":[{"count":0,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/178528\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/media?parent=178528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/categories?post=178528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/tags?post=178528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}