{"id":263878,"date":"2017-01-20T09:50:01","date_gmt":"2017-01-20T13:50:01","guid":{"rendered":"http:\/\/spaceweekly.com\/?guid=32b8a3c586898149cac367620d5ba880"},"modified":"2017-01-20T09:50:01","modified_gmt":"2017-01-20T13:50:01","slug":"ancient-tree-rings-suggest-sunspot-cycles-have-been-ongoing-for-290-million-years","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=263878","title":{"rendered":"Ancient tree rings suggest sunspot cycles have been ongoing for 290 million years"},"content":{"rendered":"<p>(Phys.org)\u2014A pair of researchers affiliated with the Natural History Museum in Chemnitz and Technische Universit\u00e4t Bergakademie Freiberg, both in Germany, has found evidence in ancient tree rings of a solar sunspot cycle millions of years ago similar to the one observed in more modern times. In their paper published in the journal Geology, Ludwig Luthardt and Ronny R\u00f6\u00dfler describe how they gathered an assortment of petrified tree samples from a region in Germany and used them to count sunspot cycles.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Phys.org)&mdash;A pair of researchers affiliated with the Natural History Museum in Chemnitz and Technische Universit&auml;t Bergakademie Freiberg, both in Germany, has found evidence in ancient tree rings of a solar sunspot cycle millions of years ago similar to the one observed in more modern times. In their paper published in the journal Geology, Ludwig Luthardt and Ronny R&ouml;&szlig;ler describe how they gathered an assortment of petrified tree samples from a region in Germany and used them to count sunspot cycles.<\/p>\n","protected":false},"author":0,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-263878","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/263878","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=263878"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/263878\/revisions"}],"predecessor-version":[{"id":263879,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/263878\/revisions\/263879"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=263878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=263878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=263878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}