{"id":162113,"date":"2025-06-06T05:16:12","date_gmt":"2025-06-06T05:16:12","guid":{"rendered":"https:\/\/www.europesays.com\/uk\/162113\/"},"modified":"2025-06-06T05:16:12","modified_gmt":"2025-06-06T05:16:12","slug":"titans-atmosphere-wobbles-like-a-gyroscope-and-no-one-knows-why-sciencealert","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/uk\/162113\/","title":{"rendered":"Titan&#8217;s Atmosphere &#8216;Wobbles Like a Gyroscope&#8217; \u2013 And No One Knows Why : ScienceAlert"},"content":{"rendered":"<p>There&#8217;s something very peculiar about the atmosphere surrounding  <a href=\"https:\/\/www.sciencealert.com\/titan\" class=\"lar_link lar_link_outgoing\" data-linkid=\"73040\" data-postid=\"162852\" rel=\"nofollow noopener\" target=\"_self\">Titan<\/a>,  <a href=\"https:\/\/www.sciencealert.com\/what-is-saturn\" class=\"lar_link lar_link_outgoing\" data-linkid=\"102270\" data-postid=\"162852\" rel=\"nofollow noopener\" target=\"_self\">Saturn<\/a>&#8216;s largest moon: rather than staying constantly fixed in line with its surface, the atmosphere wobbles across the course of the seasons.<\/p>\n<p>The discovery was made in new research led by a team from the University of Bristol in the UK, through a detailed analysis of 13 years&#8217; worth of <a href=\"https:\/\/en.wikipedia.org\/wiki\/Infrared\" target=\"_blank\" rel=\"noopener\">infrared light<\/a> readings. Gas composition and temperature can be interpreted from these readings, and from there the shifting position of the atmosphere.<\/p>\n<p>It&#8217;s not clear yet what&#8217;s causing the unusual behavior, but it could eventually lead to more insights about the history of Titan, and other planetary bodies that share similarities with it. That <a href=\"https:\/\/www.sciencealert.com\/the-alien-environment-of-titan-reveals-another-strange-similarity-to-earth\" target=\"_blank\" rel=\"noopener\">includes Earth<\/a>, since both have a relatively <a href=\"https:\/\/www.sciencealert.com\/scientists-have-recreated-titan-s-atmosphere-in-an-earth-laboratory\" target=\"_blank\" rel=\"noopener\">thick atmosphere<\/a>, <a href=\"https:\/\/www.sciencealert.com\/scientists-have-measured-the-waves-on-titan-s-methane-lakes-and-they-re-tiny\" target=\"_blank\" rel=\"noopener\">liquid lakes<\/a>, and <a href=\"https:\/\/www.sciencealert.com\/the-weather-on-saturn-s-moon-titan-is-even-more-extreme-and-earth-like-than-we-thought\" target=\"_blank\" rel=\"noopener\">weather patterns<\/a>.<\/p>\n<p>&#8220;The behavior of Titan&#8217;s atmospheric tilt is very strange,&#8221; <a href=\"https:\/\/www.bristol.ac.uk\/news\/2025\/may\/titans-wobbling-atmosphere.html\" target=\"_blank\" rel=\"noopener\">says<\/a> planetary scientist Lucy Wright, from the University of Bristol. &#8220;Titan&#8217;s atmosphere appears to be acting like a gyroscope, stabilizing itself in space.&#8221;<\/p>\n<p>&#8220;Even more intriguingly, we&#8217;ve found that the size of this tilt changes with Titan&#8217;s seasons.&#8221;<\/p>\n<p>That seasonal shift suggests the tilt might have something to do with the moon&#8217;s yearly cycle around the Sun, in tandem <a href=\"https:\/\/science.nasa.gov\/saturn\/facts\/\" target=\"_blank\" rel=\"noopener\">with Saturn<\/a>. A year on Titan lasts almost 30 years on Earth, and comes with major changes in heating and temperature.<\/p>\n<p>However, while the magnitude of the atmospheric tilt changes, the direction it&#8217;s pointing doesn&#8217;t: it always remains directed towards the same fixed spot. Working out why is going to take some time and further research.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.europesays.com\/uk\/wp-content\/uploads\/2025\/06\/DragonflyProbe.jpg\" alt=\"Dragonfly probe mission illustration\" width=\"642\" height=\"462\" class=\"wp-image-162856 size-full\"   loading=\"lazy\"\/>A mission to Titan is planned for 2034. (NASA\/Johns Hopkins APL\/Steve Gribben)<\/p>\n<p>&#8220;What&#8217;s puzzling is how the tilt direction remains fixed in space, rather than being influenced by the Sun or Saturn,&#8221; <a href=\"https:\/\/www.bristol.ac.uk\/news\/2025\/may\/titans-wobbling-atmosphere.html\" target=\"_blank\" rel=\"noopener\">says<\/a> planetary scientist Nick Teanby, from the University of Bristol.<\/p>\n<p>&#8220;That would&#8217;ve given us clues to the cause. Instead, we&#8217;ve got a new mystery on our hands.&#8221;<\/p>\n<p>One hypothesis the team is considering is that there was a large <a href=\"https:\/\/www.sciencealert.com\/here-are-our-defense-options-against-potential-city-killer-asteroid-impact\" target=\"_blank\" rel=\"noopener\">impact event<\/a> in Titan&#8217;s past which caused the atmospheric wobbles to begin, bringing changes in the moon&#8217;s climate along with them.<\/p>\n<p>This research has a very real practical and immediate use: the <a href=\"https:\/\/www.sciencealert.com\/nasa-is-sending-a-rotorcraft-to-titan-in-2027-heres-where-it-will-land\" target=\"_blank\" rel=\"noopener\">Dragonfly spacecraft<\/a> is scheduled to pay a visit to Titan in 2034. Getting the probe to land successfully in the swirling winds of the Saturnian moon will need a precise understanding of its atmosphere.<\/p>\n<p>Once Dragonfly is in place, we can expect plenty more in the way of fascinating discoveries. The team behind this new <a href=\"https:\/\/doi.org\/10.3847\/PSJ\/adcab3\" target=\"_blank\" rel=\"noopener\">study describes<\/a> Titan as &#8220;one of the most intriguing bodies in the Solar System&#8221; because of its characteristics \u2013 including being the only moon in the Solar System to have a proper atmosphere.<\/p>\n<p>Titan could even enhance our understanding of how life might get started and survive <a href=\"https:\/\/www.sciencealert.com\/strongest-evidence-of-alien-life-yet-found-124-light-years-away\" target=\"_blank\" rel=\"noopener\">on alien worlds<\/a>, under the influence of an atmosphere like Titan&#8217;s \u2013 something that future studies could investigate.<\/p>\n<p>&#8220;The fact that Titan&#8217;s atmosphere behaves like a spinning top disconnected from its surface raises fascinating questions \u2013 not just for Titan, but for understanding atmospheric physics more broadly, including on Earth,&#8221; <a href=\"https:\/\/www.bristol.ac.uk\/news\/2025\/may\/titans-wobbling-atmosphere.html\" target=\"_blank\" rel=\"noopener\">says<\/a> planetary scientist Conor Nixon, from the NASA Goddard Space Flight Center in Maryland.<\/p>\n<p>The research has been published in the <a href=\"https:\/\/doi.org\/10.3847\/PSJ\/adcab3\" target=\"_blank\" rel=\"noopener\">Planetary Science Journal<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"There&#8217;s something very peculiar about the atmosphere surrounding Titan, Saturn&#8216;s largest moon: rather than staying constantly fixed in&hellip;\n","protected":false},"author":2,"featured_media":162114,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3844],"tags":[120,70,413,16,15],"class_list":{"0":"post-162113","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-space","8":"tag-msft-content","9":"tag-science","10":"tag-space","11":"tag-uk","12":"tag-united-kingdom"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@uk\/114634724698471016","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/162113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/comments?post=162113"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/posts\/162113\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media\/162114"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/media?parent=162113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/categories?post=162113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/uk\/wp-json\/wp\/v2\/tags?post=162113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}