{"id":62763,"date":"2024-08-30T07:23:30","date_gmt":"2024-08-30T07:23:30","guid":{"rendered":"http:\/\/2dc4807c-81d7-4e93-86f0-13f4eb86399c"},"modified":"2024-08-30T08:39:44","modified_gmt":"2024-08-30T08:39:44","slug":"nasas-jupiter-moon-mission-has-been-given-its-solar-arrays-and-its-now-bigger-than-a-basketball-court","status":"publish","type":"rss_feed","link":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/rss_feed\/nasas-jupiter-moon-mission-has-been-given-its-solar-arrays-and-its-now-bigger-than-a-basketball-court\/","title":{"rendered":"NASA&#8217;s Jupiter moon mission has been given its solar arrays, and it&#8217;s now bigger than a basketball court"},"content":{"rendered":"<p class=\"rssexcerpt\">Europa Clipper needs huge solar arrays to power it within the cold darkness of Jupiter&#8217;s shadow. <\/p><p class=\"rssauthor\">By Iain Todd\n      <\/p><p class=\"rssbyline\">Published: Friday, 30 August 2024 at 07:23 AM<\/p><hr class=\"no-tts wp-block-separator\"\/><?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><p>The Europa Clipper mission is the largest spacecraft NASA has ever built for planetary exploration, and has been fitted with huge solar arrays that will power its exploration of Jupiter&#8217;s icy moon Europa.<\/p><p>Europa Clipper was fitted with the solar arrays at Kennedy Space Center in Florida, USA, in August 2024.<\/p><p>Each of these solar &#8216;wings&#8217; measures 46.5 feet (14.2 metres) long and 13.5 feet (4.1 metres) tall, and when they&#8217;re fully deployed in space, the spacecraft will span over 100 feet (30.5 metres), making it longer than a professional basketball court.<\/p><figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\"><iframe loading=\"lazy\" title=\"Meet Europa Clipper\u2019s Solar Array \u2018Wings\u2019\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/7sa96nLa5QQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen=\"\"\/><\/div><\/figure><p>They have to be so big because they have quite a task ahead of them: powering Europa Clipper on its long journey to the Jupiter system and enabling its study of the liquid ocean beneath moon Europa&#8217;s icy crust.<\/p><p>Europa Clipper&#8217;s solar arrays are folded up for launch and will be deployed in space.<\/p><p>They&#8217;re so big they could only be opened one at a time in the clean room of Kennedy\u2019s Payload Hazardous Servicing Facility.<\/p><p>90 minutes after launch, the arrays will unfurl over the course of 40 minutes and begin providing much-needed power to Europa Clipper.<\/p><figure class=\"wp-block-image size-large\"><figcaption class=\"wp-element-caption\">NASA\u2019s Europa Clipper&#8217;s solar arrays pictured on 21 August 2024 at Kennedy Space Center in Florida. Credit: NASA\/Frank Michaux<\/figcaption><\/figure><h2 class=\"wp-block-heading\" id=\"h-what-europa-clipper-s-solar-arrays-will-do\"><strong>What Europa Clipper&#8217;s solar arrays will do<\/strong><\/h2><p>Europa Clipper is due to launch in October 2024 and will journey for five years to get to Jupiter.<\/p><p>It will orbit Jupiter and fly by Europa multiple times, using its science instruments to study the icy moon.<\/p><p>Europa is of interest to planetary scientists because it&#8217;s one of a few moons in our Solar System known to have a liquid ocean beneath their icy crust.<\/p><p>And because liquid <a href=\"https:\/\/www.skyatnightmagazine.com\/space-science\/search-water-beyond-earth\">water is a key ingredient for life as we know it<\/a>, that makes Europa an important place to look for conditions that could support life beyond Earth.<\/p><p>There has been evidence found of <a href=\"https:\/\/www.skyatnightmagazine.com\/news\/new-evidence-of-plumes-on-europa\">plumes on Europa<\/a>, and the <a href=\"https:\/\/www.skyatnightmagazine.com\/news\/webb-carbon-jupiter-moon-europa\">Webb Telescope detected carbon at Europa<\/a>.<\/p><p>Out in the Jovian system, far from the Sun, the spacecraft will only receive 3\u20134% of the sunlight that Earth gets.<\/p><p>That&#8217;s why Europa Clipper&#8217;s solar arrays need to be so big.<\/p><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/c02.purpledshub.com\/uploads\/sites\/48\/2024\/08\/europa-clipper-solar-arrays-illustration-1024x683.jpg?fit=800%2C534\" alt=\"Artist's impression of Europa Clipper's solar arrays fully deployed. Credit: NASA\/JPL-Caltech\" class=\"wp-image-161135\" data-recalc-dims=\"1\"\/><figcaption class=\"wp-element-caption\">Artist&#8217;s impression of Europa Clipper&#8217;s solar arrays fully deployed. Credit: NASA\/JPL-Caltech<\/figcaption><\/figure><p>Each solar array is composed of five panels and will together provide about 700 watts of electricity.<\/p><p>That may not seem that much: look at the front of your microwave and you&#8217;ll likely see a similar value.<\/p><p>But Europa Clipper&#8217;s batteries will store this power and use it to run its electronics, science instruments, communications equipment, computer and a propulsion system made up of 24 engines.<\/p><p>And to make things even tougher, it&#8217;s rather cold out there.<\/p><p>Europa Clipper&#8217;s hardware will operate under temperatures as cold as \u2013240\u00b0C (\u2013400\u00b0F) when in Jupiter&#8217;s shadow, which is much colder than even the <a href=\"https:\/\/www.skyatnightmagazine.com\/space-science\/coldest-place-on-earth\">coldest place on Earth<\/a>.<\/p><p>&#8220;The spacecraft is cozy. It has heaters and an active thermal loop, which keep it in a much more normal temperature range,&#8221; says Taejoo Lee of NASA&#8217;s Applied Physics Laboratory, the solar array product delivery manager.<\/p><p>&#8220;But the solar arrays are exposed to the vacuum of space without any heaters. They\u2019re completely passive, so whatever the environment is, those are the temperatures they get.&#8221;<\/p><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/c02.purpledshub.com\/uploads\/sites\/48\/2024\/05\/juno-europa-1024x1010.jpg?fit=800%2C789\" alt=\"Image of Jupiter\u2019s moon Europa captured by NASA's Juno spacecraft. Image data: NASA\/JPL-Caltech\/SwRI\/MSSS. Image processing: Bj\u00f6rn J\u00f3nsson (CC BY 3.0)\" class=\"wp-image-155616\" data-recalc-dims=\"1\"\/><figcaption class=\"wp-element-caption\">Image of Jupiter\u2019s moon Europa captured by NASA&#8217;s Juno spacecraft. Image data: NASA\/JPL-Caltech\/SwRI\/MSSS. Image processing: Bj\u00f6rn J\u00f3nsson (CC BY 3.0)<\/figcaption><\/figure><h2 class=\"wp-block-heading\" id=\"h-europa-clipper-s-antennas\"><strong>Europa Clipper&#8217;s antennas<\/strong><\/h2><p>Europa Clipper&#8217;s solar arrays aren&#8217;t the only instruments that will be unfurling from a folded position.<\/p><p>The same is true of the spacecraft&#8217;s six antennas, which are affixed to the arrays.<\/p><p>They&#8217;ll deploy about two weeks after launch and will enable Europa Clipper&#8217;s radar instrument to search for water within and below the moon&#8217;s icy crust.<\/p><p>These antennas will unfold and span 57.7 feet (17.6 metres), perpendicular to the arrays.<\/p><p>&#8220;At the beginning of the project, we really thought it would be nearly impossible to develop a solar array strong enough to hold these gigantic antennas,&#8221; Lee says.<\/p><p>&#8220;It was difficult, but the team brought a lot of creativity to the challenge, and we figured it out.&#8221;<\/p><p><a href=\"https:\/\/www.jpl.nasa.gov\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>www.jpl.nasa.gov<\/strong><\/a><\/p> <\/body><\/html>\n<hr class=\"no-tts wp-block-separator\"\/>","protected":false},"excerpt":{"rendered":"<p>Europa Clipper needs huge solar arrays to power it within the cold darkness of Jupiter&#8217;s shadow. <\/p>\n","protected":false},"author":24,"featured_media":62764,"template":"","categories":[1],"acf":{"readingTimeMinutes":"4"},"uagb_featured_image_src":{"full":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/08\/nasas-jupiter-moon-mission-has-been-given-its-solar-arrays-and-its-now-bigger-than-a-basketball-court.jpg",1200,800,false],"thumbnail":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/08\/nasas-jupiter-moon-mission-has-been-given-its-solar-arrays-and-its-now-bigger-than-a-basketball-court-150x150.jpg",150,150,true],"medium":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/08\/nasas-jupiter-moon-mission-has-been-given-its-solar-arrays-and-its-now-bigger-than-a-basketball-court-300x200.jpg",300,200,true],"medium_large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/08\/nasas-jupiter-moon-mission-has-been-given-its-solar-arrays-and-its-now-bigger-than-a-basketball-court-768x512.jpg",768,512,true],"large":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/08\/nasas-jupiter-moon-mission-has-been-given-its-solar-arrays-and-its-now-bigger-than-a-basketball-court-1024x683.jpg",800,534,true],"1536x1536":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/08\/nasas-jupiter-moon-mission-has-been-given-its-solar-arrays-and-its-now-bigger-than-a-basketball-court.jpg",1200,800,false],"2048x2048":["https:\/\/c01.purpledshub.com\/uploads\/sites\/77\/2024\/08\/nasas-jupiter-moon-mission-has-been-given-its-solar-arrays-and-its-now-bigger-than-a-basketball-court.jpg",1200,800,false]},"uagb_author_info":{"display_name":"importmanagerhub@sprylab.com","author_link":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/author\/importmanagerhubsprylab-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Europa Clipper needs huge solar arrays to power it within the cold darkness of Jupiter's shadow.","_links":{"self":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/rss_feed\/62763"}],"collection":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/rss_feed"}],"about":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/types\/rss_feed"}],"author":[{"embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/users\/24"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/media\/62764"}],"wp:attachment":[{"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/media?parent=62763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c01.purpledshub.com\/bbcskyatnight\/wp-json\/wp\/v2\/categories?post=62763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}