{"id":3394,"date":"2019-06-10T18:01:13","date_gmt":"2019-06-10T12:31:13","guid":{"rendered":"https:\/\/triumphias.com\/blog\/?p=3394"},"modified":"2019-06-10T18:01:13","modified_gmt":"2019-06-10T12:31:13","slug":"was-that-a-marsquake","status":"publish","type":"post","link":"https:\/\/triumphias.com\/blog\/was-that-a-marsquake\/","title":{"rendered":"Was that a Marsquake?"},"content":{"rendered":"<p><strong>Relevant for prelims and HS paper 1 (geography):-<\/strong><\/p>\n<div class=\"panel-pane pane-entity-field pane-node-body no-title block\">\n<div class=\"block-inner clearfix\">\n<div class=\"block-content\">\n<div class=\"field field-name-body field-type-text-with-summary field-label-hidden view-mode-_custom_display\">\n<div class=\"field-items\">\n<div class=\"field-item even\">\n<p>Let\u2019s get ready to rumble! NASA appears to have just captured the first recording of a quake on Mars. On April 6, the seismometer on the Mars InSight lander recorded a short series of howls, grumbles and pings. One of those sounds \u2014 that grumble \u2014 is raising suspicions. It\u2019s the first recorded sound from the Red Planet\u2019s interior, and scientists say it\u2019s likely a long-sought quake.<\/p>\n<p>NASA released the 40-second recording on April 23. It begins with a faint, eerie howling of the Martian wind. Next comes the low rumble of the possible Marsquake. A large ping toward the end is the spacecraft\u2019s robotic arm moving.<\/p>\n<aside class=\"floating-sidebar floating-sidebar-right clearfix\">\n<h4>Explainer: Seismic waves come in different \u2018flavors\u2019<\/h4>\n<\/aside>\n<p>InSight landed on Mars in November 2018. Its mission is to probe the Red Planet\u2019s interior. InSight does this by tracking seismic waves rippling through the ground. Mars lacks Earth\u2019s powerful quakes, which are caused by shifting tectonic plates. But as the planet cools and contracts, it has smaller quakes, crackles and rumbles.<\/p>\n<p>Scientists hope that InSight\u2019s data will reveal Mars\u2019 internal structure. That includes the size and density of its crust, mantle and core. Some of these data also might detail how heat flows through the planet\u2019s insides as well as uncover hints of water there.<\/p>\n<p>This new recording isn\u2019t long enough to provide much insight about the Martian interior, scientists say. But it shows Mars is seismically active. It also kicks off a brand-new field of research: Martian seismology.<\/p>\n<div class=\"dnd-widget-wrapper context-sdl_editor_representation type-video\">\n<div class=\"dnd-caption-wrapper\">\n<div class=\"sns-scald-image-caption\">This is what a marsquake sounds like. A seismometer on the planet picked up three different sounds. That initial howling is Martian wind. The low grumble that follows is a possible Marsquake. Finally, the ping is the spacecraft\u2019s moving arm.<\/div>\n<div class=\"sns-scald-image-credit\">Imperial College London, IPGP, CNES, JPL-Caltech\/NASA<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"panel-separator\"><\/div>\n<section class=\"panel-pane pane-entity-field pane-node-field-power-words block\">\n<div class=\"block-inner clearfix\">\n<h2 class=\"pane-title block-title\">Power Words<\/h2>\n<div class=\"block-content\">\n<div class=\"field field-name-field-power-words field-type-text-long field-label-hidden view-mode-_custom_display\">\n<div class=\"field-items\">\n<div class=\"field-item even\">\n<p><strong>core<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0Something \u2014 usually round-shaped \u2014 in the center of an object. (in geology)\u00a0Earth\u2019s innermost layer.<br \/>\n<strong>crust<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0(in geology) A planet\u2019s outermost surface, usually made from dense, solid rock.<\/p>\n<p><strong>density<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0The measure of how condensed some\u00a0object is, found by dividing its mass by its volume.<\/p>\n<p><strong>lander<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0A special, small vehicle designed to ferry humans or scientific equipment between a spacecraft and the celestial body they will explore.<\/p>\n<p><strong>mantle<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0(in geology) The thick layer beneath a rocky planet\u2019s outer crust.<\/p>\n<p><strong>Mars<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0The fourth planet from the sun, just one planet out from Earth. Like Earth, it has seasons and moisture. But its diameter is only about half as big as Earth\u2019s.<\/p>\n<p><strong>NASA<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0Short for the National Aeronautics and Space Administration. Created in 1958, this U.S. agency has become a leader in space research and in stimulating public interest in space exploration. It was through NASA that the United States sent people into orbit and ultimately to the moon. It also has sent research craft to study planets and other celestial objects in our solar system.<\/p>\n<p><strong>planet<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0A celestial object that orbits a star, is big enough for gravity to have squashed it into a roundish ball and has cleared other objects out of the way in its orbital neighborhood.<\/p>\n<p><strong>Red Planet<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0A nickname for Mars.<\/p>\n<p><strong>seismic wave<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0A wave traveling through the ground produced by an earthquake or some other means.<\/p>\n<p><strong>seismology<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0The science concerned with earthquakes and related phenomena. People who work in this field are known as seismologists.<\/p>\n<p><strong>seismometer<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0(also known as a seismograph ) An instrument that detects and measures tremors (known as seismic waves) as they pass through Earth or some other hard surface.<\/p>\n<p><strong>tectonic<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0Surface activity on a large rocky body (such as a planet or moon) as liquid rock flows up to the surface where it solidifies, then slowly drifts atop molten rock, carrying surface features with it.<\/p>\n<p><strong>tectonic plates<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0The gigantic slabs \u2014 some spanning thousands of kilometers (or miles) across \u2014 that make up Earth\u2019s outer layer.<\/p>\n<p><strong>wave<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0A disturbance or variation that travels through space and matter in a regular, oscillating fashion.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Relevant for prelims and HS paper 1 (geography):- Let\u2019s get ready to rumble! NASA appears to have just captured the<\/p>\n","protected":false},"author":1,"featured_media":3179,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[150,413,392],"class_list":["post-3394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-miscellaneous","tag-geography","tag-ias","tag-union-public-service-commission-upsc"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/posts\/3394","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/comments?post=3394"}],"version-history":[{"count":1,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/posts\/3394\/revisions"}],"predecessor-version":[{"id":3395,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/posts\/3394\/revisions\/3395"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/media\/3179"}],"wp:attachment":[{"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/media?parent=3394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/categories?post=3394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/triumphias.com\/blog\/wp-json\/wp\/v2\/tags?post=3394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}