{"id":359679,"date":"2017-02-02T03:00:00","date_gmt":"2017-02-02T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=bc06261e1669ae2a065ed02a7af5e6b3"},"modified":"2017-02-02T03:00:00","modified_gmt":"2017-02-02T00:00:00","slug":"visual-explanations-behind-important-equations-in-astronomy","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=359679","title":{"rendered":"Visual explanations behind important equations in astronomy"},"content":{"rendered":"<p>When connections between related observations and facts are not being made, introductory science<br \/>\nclasses can be perceived as an accumulation of disjointed equations with the risk of losing both<br \/>\nstudents\u2019 interest as well as their grasp of the materials. In astronomy we have to walk a tightrope<br \/>\nbetween being complete in our presentation of modern-day findings and skirting the surface of<br \/>\nquantum mechanics. We introduce Wien\u2019s displacement law, Stefan\u2013Boltzmann\u2019s law, Hubble\u2019s law, and<br \/>\nwe talk about the age of the Universe and when it first became transparent. The derivation of all<br \/>\nthese laws and their applications to get numbers out of observations requires knowledge of modern<br \/>\nphysics, knowledge that students have not acquired (yet), so we tend to choose to not make<br \/>\nconnections between them. In here, we offer an alternative approach to overcome these drawbacks: we<br \/>\nmake connections between the main tenets of the laws, such as the temperature dependence that enters<br \/>\nStefan\u2013Boltzmann\u2019&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When connections between related observations and facts are not being made, introductory science<br \/>\nclasses can be perceived as an accumulation of disjointed equations with the risk of losing both<br \/>\nstudents\u2019 interest as well as their grasp of the mater&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-359679","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/359679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=359679"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/359679\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=359679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=359679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=359679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}