{"id":4118,"date":"2019-09-04T00:47:13","date_gmt":"2019-09-03T23:47:13","guid":{"rendered":"http:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/?p=4118"},"modified":"2022-04-13T15:57:43","modified_gmt":"2022-04-13T14:57:43","slug":"pythagroean-astronomy-lunar-gateways-belching-black-holes-and-warped-galaxies","status":"publish","type":"post","link":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/2019\/09\/04\/pythagroean-astronomy-lunar-gateways-belching-black-holes-and-warped-galaxies\/","title":{"rendered":"Pythagroean Astronomy: Lunar Gateways, Belching Black Holes and Warped Galaxies"},"content":{"rendered":"<div id=\"attachment_4119\" class=\"wp-caption alignright\" ><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4119\" src=\"http:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-300x169.jpg 300w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-170x96.jpg 170w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-250x141.jpg 250w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-550x309.jpg 550w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-600x338.jpg 600w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-768x432.jpg 768w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-1024x576.jpg 1024w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-70x40.jpg 70w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-270x152.jpg 270w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-370x208.jpg 370w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-570x320.jpg 570w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-670x376.jpg 670w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-770x433.jpg 770w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-870x489.jpg 870w, https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-970x545.jpg 970w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p class=\"wp-caption-text\">Artist&#8217;s impression of a lunar gateway. Image credit: NASA<\/p><\/div>\n<p>The summer might be &#8220;silly season&#8221; in the press, but not so in astronomy. With peroxide on moons and belching black holes there&#8217;s lots of sensible research going on for us to discuss.<\/p>\n<p>A number of recent rocket engine tests lead us to consider what the near future of space travel might look like, with a proposed &#8220;<a href=\"https:\/\/www.nasa.gov\/feature\/questions-nasas-new-spaceship\">lunar gateway<\/a>&#8221; providing a staging point for explorers. Where might they go? Perhaps as far as Jupiter&#8217;s moon, Europa, where recent observations have provided more evidence of a carbon-rich environment beneath the sub-surface ocean. A tantalising place to look for life.<\/p>\n<p>Further afield, NASA&#8217;s <a href=\"https:\/\/www.nasa.gov\/content\/latest-tess-stories\">TESS satellite<\/a> has produced its first tranche of results after a year of observations. They show intriguing worlds that fall in what&#8217;s been appearing to be a &#8220;mass gap&#8221; in terms of planets, with a narrow range of masses being under-represented.<\/p>\n<p>On somewhat larger scales we have the black hole at the centre of our Milky Way galaxy, which appeared to <a href=\"https:\/\/www.sciencealert.com\/our-galaxy-s-supermassive-black-hole-just-mysteriously-got-really-really-bright\">briefly brighten<\/a> earlier this year &#8211; evidence that it may have belched after a small snack. There&#8217;s even something odd with the galaxy as a whole, with a <a href=\"https:\/\/www.theguardian.com\/science\/2019\/aug\/01\/most-detailed-ever-3d-map-of-milky-way-shows-warped-shape-cepheid\">survey of Cepheid variable stars<\/a> showing a distinct lop-sided warp to the Milky Way&#8217;s disk of stars.<\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-4118-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"http:\/\/astrog80.astro.cf.ac.uk\/pythagoras-trousers\/mp3\/Aug2019_full_PHYSX.mp3?_=1\" \/><a href=\"http:\/\/astrog80.astro.cf.ac.uk\/pythagoras-trousers\/mp3\/Aug2019_full_PHYSX.mp3\">http:\/\/astrog80.astro.cf.ac.uk\/pythagoras-trousers\/mp3\/Aug2019_full_PHYSX.mp3<\/a><\/audio>\n<p>An extended edition of an original broadcast on 30th August 2019 as part of Pythagoras&#8217; Trousers on Radio Cardiff.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The summer might be &#8220;silly season&#8221; in the press, but not so in astronomy. With peroxide on moons and belching black holes there&#8217;s lots of sensible research going on for us to discuss. A number of recent rocket engine tests lead us to consider what the near future of space travel might look like, with<\/p>\n","protected":false},"author":273,"featured_media":4119,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[5,30,32,31],"tags":[47,66,70,115,133,85,134,103,135],"class_list":["post-4118","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomy-2","category-media","category-pythagorean-astronomy","category-radio-and-podcasts","tag-black-hole","tag-europa","tag-exoplanet","tag-galaxy","tag-lunar-gateway","tag-nasa","tag-rocket","tag-spacex","tag-tess"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/p4hmOz-14q","jetpack_sharing_enabled":true,"meta_box":[],"jetpack_featured_media_url":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-content\/uploads\/sites\/236\/2019\/08\/gateway_orion_approaching-scaled.jpg","_links":{"self":[{"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/posts\/4118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/users\/273"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/comments?post=4118"}],"version-history":[{"count":1,"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/posts\/4118\/revisions"}],"predecessor-version":[{"id":4120,"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/posts\/4118\/revisions\/4120"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/media\/4119"}],"wp:attachment":[{"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/media?parent=4118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/categories?post=4118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.cardiff.ac.uk\/physicsoutreach\/wp-json\/wp\/v2\/tags?post=4118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}