{"id":4004,"date":"2013-08-16T16:19:01","date_gmt":"2013-08-16T16:19:01","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=4004"},"modified":"2013-08-16T16:19:01","modified_gmt":"2013-08-16T16:19:01","slug":"kepler-must-switch-to-other-missions-no-reaction-wheel-fix-found","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=4004","title":{"rendered":"Kepler must switch to other missions &#8211; no reaction wheel fix found"},"content":{"rendered":"<p>Efforts to resurrect the broken reaction wheels on the <a href=\"http:\/\/kepler.nasa.gov\/\" target=\"_blank\">Kepler space observatory<\/a> have failed. The spacecraft can still do useful science but not exoplanet transit searches, which requires the extremely stable and precise pointing capabilities provided by 3 working reaction wheels.<\/p>\n<ul>\n<li><a href=\"http:\/\/www.spaceflightnow.com\/news\/n1308\/15kepler\/#.Ug5EvH-TKnc\" target=\"_d\">NASA trying to find new use for crippled Kepler telescope &#8211; Spaceflight Now<\/a><\/li>\n<li><a href=\"http:\/\/www.nasa.gov\/press\/2013\/august\/nasa-ends-attempts-to-fully-recover-kepler-spacecraft-potential-new-missions\/#.Ug5Fbn-TKnc\" target=\"_d\">NASA Ends Attempts to Fully Recover Kepler Spacecraft, Potential New Missions Considered &#8211; NASA<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Efforts to resurrect the broken reaction wheels on the Kepler space observatory have failed. The spacecraft can still do useful science but not exoplanet transit searches, which requires the extremely stable and precise pointing capabilities provided by 3 working reaction wheels. NASA trying to find new use for crippled Kepler telescope &#8211; Spaceflight Now NASA &hellip; <a href=\"https:\/\/hobbyspace.com\/Blog\/?p=4004\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Kepler must switch to other missions &#8211; no reaction wheel fix found<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12,46],"tags":[],"class_list":["post-4004","post","type-post","status-publish","format-standard","hentry","category-astronomy","category-exoplanets"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-12A","jetpack-related-posts":[{"id":5453,"url":"https:\/\/hobbyspace.com\/Blog\/?p=5453","url_meta":{"origin":4004,"position":0},"title":"Kepler team investigating promising method to continue exoplanet searches","author":"TopSpacer","date":"November 28, 2013","format":false,"excerpt":"Earlier this year the\u00a0Kepler\u00a0orbiting observatory lost the ability to point its telescope with the precision necessary to continue its search for exoplanets as it has done since 2009. With just two reaction wheels working, it was thought that the science with the spacecraft would be extremely limited and probably not\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"Kepler's Second Light: How K2 Will Work","src":"https:\/\/i0.wp.com\/www.nasa.gov\/sites\/default\/files\/styles\/673xvariable_height\/public\/k2_explained_25nov_story_0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3795,"url":"https:\/\/hobbyspace.com\/Blog\/?p=3795","url_meta":{"origin":4004,"position":1},"title":"Update on efforts to revive the Kepler spacecraft","author":"TopSpacer","date":"August 4, 2013","format":false,"excerpt":"The amazing successful exoplanet finding spacecraft Kepler went out of action last May when one of its reaction wheels (basically an electric powered gyroscope) ceased to function properly. The spacecraft has four reaction wheels and needs at least three to point its telescope with sufficient stability and accuracy to carry\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"Reaction wheel","src":"https:\/\/i0.wp.com\/www.nasa.gov\/sites\/default\/files\/styles\/226xvariable_height\/public\/reaction_wheel.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":5946,"url":"https:\/\/hobbyspace.com\/Blog\/?p=5946","url_meta":{"origin":4004,"position":2},"title":"American Astronomical Society conf + New Kepler results + Reviving Kepler + Starshades","author":"TopSpacer","date":"January 6, 2014","format":false,"excerpt":"The\u00a0\u00a0223rd Meeting\u00a0\u00a0of the\u00a0American Astronomical Society is taking place in Washington this week. Exoplanets and the Kepler observatory have been a topic of discussion today. Jeff Foust is posting notes from some of the presentations:\u00a0Jeff Foust (jeff_foust) on Twitter. === The Kepler space observatory group released this today:\u00a0NASA Kepler Provides Insight\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/G68sqgRhP2E\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":150,"url":"https:\/\/hobbyspace.com\/Blog\/?p=150","url_meta":{"origin":4004,"position":3},"title":"Kepler exoplanet scan suspended temporarily","author":"TopSpacer","date":"January 21, 2013","format":false,"excerpt":"The lifetime of Kepler, the great exoplanet finding machine, may be cut prematurely short if efforts to save a balky reaction wheel fall short: Kepler glitch suspends NASA's search for new planets - sen.com Kepler Mission Manager Update - NASA Twitter \/ mrtommyb: \"To be clear, we are resting the\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":15770,"url":"https:\/\/hobbyspace.com\/Blog\/?p=15770","url_meta":{"origin":4004,"position":4},"title":"Carnival of Space #554 &#8211; Urban Astronomer","author":"TopSpacer","date":"March 26, 2018","format":false,"excerpt":"The Urban Astronomer hosts the latest Carnival of Space.","rel":"","context":"In &quot;General&quot;","block_context":{"text":"General","link":"https:\/\/hobbyspace.com\/Blog\/?cat=2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/03\/kepler-illus-879x485-580x3201.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":323,"url":"https:\/\/hobbyspace.com\/Blog\/?p=323","url_meta":{"origin":4004,"position":5},"title":"Kepler planet hunter back in action","author":"TopSpacer","date":"January 31, 2013","format":false,"excerpt":"The Kepler orbital observatory is back to planet hunting after taking ten days off to give one of its reaction wheels, which had been showing signs of abnormal friction, some days off\u00a0 (see earlier post here) : Kepler resumes data collection after safe mode - Spaceflight Now Managers put Kepler\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/4004","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4004"}],"version-history":[{"count":1,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/4004\/revisions"}],"predecessor-version":[{"id":4005,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/4004\/revisions\/4005"}],"wp:attachment":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}