{"id":3326,"date":"2017-07-02T13:17:10","date_gmt":"2017-07-02T17:17:10","guid":{"rendered":"http:\/\/w1sye.org\/?p=3326"},"modified":"2017-07-02T13:39:08","modified_gmt":"2017-07-02T17:39:08","slug":"3326","status":"publish","type":"post","link":"https:\/\/w1sye.org\/?p=3326","title":{"rendered":"Will there be a Solar Cycle 25?"},"content":{"rendered":"<p>Solar Cycle 24 is diminishing rapidly, and we&#8217;ve already had several days with zero sunspot activity. \u00a0We should hit the minimum then see the uptick sometime around 2020. But what will Solar Cycle 25 look like? \u00a0You might want to take a guess after looking at the last three solar cycles in the image below.<\/p>\n<p><a href=\"http:\/\/w1sye.org\/wp-content\/uploads\/2017\/07\/SS-22-23-24-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3332\" src=\"http:\/\/w1sye.org\/wp-content\/uploads\/2017\/07\/SS-22-23-24-1.jpg\" alt=\"\" width=\"961\" height=\"784\" srcset=\"https:\/\/w1sye.org\/wp-content\/uploads\/2017\/07\/SS-22-23-24-1.jpg 961w, https:\/\/w1sye.org\/wp-content\/uploads\/2017\/07\/SS-22-23-24-1-300x245.jpg 300w, https:\/\/w1sye.org\/wp-content\/uploads\/2017\/07\/SS-22-23-24-1-768x627.jpg 768w, https:\/\/w1sye.org\/wp-content\/uploads\/2017\/07\/SS-22-23-24-1-368x300.jpg 368w\" sizes=\"auto, (max-width: 961px) 100vw, 961px\" \/><\/a><\/p>\n<p>According to\u00a0<a href=\"http:\/\/sten.astronomycafe.net\/the-astronomy-cafe\/\" target=\"_blank\" rel=\"noopener\">Dr. Sten Odenwall<\/a>,\u00a0we will start seeing the new sunspots from Cycle 25 sometime around\u00a0<a class=\"bn-clickable\" href=\"http:\/\/iopscience.iop.org\/article\/10.1088\/0004-637X\/792\/1\/12\" rel=\"nofollow\" data-beacon=\"{&quot;p&quot;:{&quot;lnid&quot;:&quot;late-2019&quot;,&quot;mpid&quot;:8,&quot;plid&quot;:&quot;http:\/\/iopscience.iop.org\/article\/10.1088\/0004-637X\/792\/1\/12&quot;}}\" data-beacon-parsed=\"true\">l<\/a>ate-2019. The sunspot maximum is likely to occur in 2024, with most forecasts predicting about half as many sunspots as in Cycle 24. \u00a0Weak indeed!<\/p>\n<p>The bad news is that some studies show\u00a0<a class=\"bn-clickable\" href=\"http:\/\/www.probeinternational.org\/Livingston-penn-2010.pdf\" target=\"_blank\" rel=\"nofollow noopener\" data-beacon=\"{&quot;p&quot;:{&quot;lnid&quot;:&quot;sunspot magnetic field strengths&quot;,&quot;mpid&quot;:9,&quot;plid&quot;:&quot;http:\/\/www.probeinternational.org\/Livingston-penn-2010.pdf&quot;}}\" data-beacon-parsed=\"true\">sunspot magnetic field strengths<\/a>\u00a0have been declining since 2000 and are already close to the minimum needed to produce sunspots on the solar surface. This is also supported by independent work in 2015 published in the journal Nature. Therefore, by Cycle 25, magnetic fields may be too weak to form recognizable sunspots at all, spelling the end of the sunspot cycle phenomenon.<\/p>\n<p>Let\u2019s hope that Cycle 24 isn\u2019t our last!<\/p>\n<p>(<a href=\"http:\/\/sten.astronomycafe.net\/sunspot-cycle\/\" target=\"_blank\" rel=\"noopener\">You can read more in Dr. Odenwall&#8217;s blog here<\/a>)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Solar Cycle 24 is diminishing rapidly, and we&#8217;ve already had several days with zero sunspot activity. \u00a0We should hit the minimum then see the uptick sometime around 2020. But what will Solar Cycle 25 look like? \u00a0You might want to &hellip; <a href=\"https:\/\/w1sye.org\/?p=3326\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-3326","post","type-post","status-publish","format-standard","hentry","category-solar-activity"],"_links":{"self":[{"href":"https:\/\/w1sye.org\/index.php?rest_route=\/wp\/v2\/posts\/3326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w1sye.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/w1sye.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/w1sye.org\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/w1sye.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3326"}],"version-history":[{"count":5,"href":"https:\/\/w1sye.org\/index.php?rest_route=\/wp\/v2\/posts\/3326\/revisions"}],"predecessor-version":[{"id":3336,"href":"https:\/\/w1sye.org\/index.php?rest_route=\/wp\/v2\/posts\/3326\/revisions\/3336"}],"wp:attachment":[{"href":"https:\/\/w1sye.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/w1sye.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/w1sye.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}