{"id":5214,"date":"2013-11-07T17:35:58","date_gmt":"2013-11-07T17:35:58","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=5214"},"modified":"2013-11-07T17:35:58","modified_gmt":"2013-11-07T17:35:58","slug":"chelyabinsk-fireball-bigger-than-thought-and-more-common","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=5214","title":{"rendered":"Chelyabinsk fireball &#8211; bigger than thought and more common"},"content":{"rendered":"<p>Papers this week in Science and Nature journals describe studies of the Chelyabinsk meteor fireball last February. One paper estimates that the meteoroid was twice as massive as originally estimated. A Science paper combines Chelyabinsk with the\u00a0<a href=\"http:\/\/en.wikipedia.org\/wiki\/Tunguska_event\" target=\"_blank\">Tunguska event<\/a> in Siberia in 1908 to estimate that the rate of such impacts is as much as ten times higher than previously thought.<\/p>\n<ul>\n<li><a href=\"http:\/\/www.washingtonpost.com\/national\/health-science\/hazardous-asteroids-may-be-more-numerous-than-previously-thought-scientists-say\/2013\/11\/06\/c022a022-46f2-11e3-bf0c-cebf37c6f484_story.html\" target=\"_d\">Hazardous asteroids may be more numerous than previously thought, scientists say &#8211; The Washington Post<\/a><\/li>\n<li><a href=\"http:\/\/news.sciencemag.org\/space\/2013\/11\/siberian-blast-points-more-destructive-meteors-ahead\" target=\"_d\">Siberian Blast Points to More Destructive Meteors Ahead &#8211; \u00a0Science\/AAAS<\/a><\/li>\n<li><a href=\"http:\/\/www.nature.com\/news\/risk-of-massive-asteroid-strike-underestimated-1.14114\" target=\"_d\">Risk of massive asteroid strike underestimated: <em>Meteor in Chelyabinsk impact was twice as heavy as initially thought.<\/em> &#8211; Nature<\/a><\/li>\n<\/ul>\n<p>A Nature video report on the Chelyabinsk studies:<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/IPH9OUNUalA?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Papers this week in Science and Nature journals describe studies of the Chelyabinsk meteor fireball last February. One paper estimates that the meteoroid was twice as massive as originally estimated. A Science paper combines Chelyabinsk with the\u00a0Tunguska event in Siberia in 1908 to estimate that the rate of such impacts is as much as ten &hellip; <a href=\"https:\/\/hobbyspace.com\/Blog\/?p=5214\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Chelyabinsk fireball &#8211; bigger than thought and more common<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[75,13],"tags":[],"class_list":["post-5214","post","type-post","status-publish","format-standard","hentry","category-asteroids","category-space-science"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-1m6","jetpack-related-posts":[{"id":4952,"url":"https:\/\/hobbyspace.com\/Blog\/?p=4952","url_meta":{"origin":5214,"position":0},"title":"Big meteorite found in Russian lake from Chelyabinsk fireball","author":"TopSpacer","date":"October 17, 2013","format":false,"excerpt":"A huge meteorite discovered in a Russian lake is assumed to be a remnant of the meteor fireball that exploded over Chelyabinsk last February: Huge half-ton chunk of Russian meteorite lifted from lakebed (VIDEO) - RT News Meteorite pulled from Russian lake - Bbc http:\/\/youtu.be\/vlxdwuRte04","rel":"","context":"In &quot;Asteroids &amp; Comets&quot;","block_context":{"text":"Asteroids &amp; Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/vlxdwuRte04\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":5444,"url":"https:\/\/hobbyspace.com\/Blog\/?p=5444","url_meta":{"origin":5214,"position":1},"title":"Video: NOVA&#8217;s &#8220;Asteroid: Doomsday or Payday&#8221; + Background on the Chelyabinsk research","author":"TopSpacer","date":"November 27, 2013","format":false,"excerpt":"Sandia National Laboratories\u00a0released this item about work done by one of its researchers on the Chelyabinsk meteor fireball. His work was included in a recent NOVA episode Asteroid: Doomsday or Payday. Physicist\u2019s journey reveals smaller asteroids could cause bigger problems ALBUQUERQUE, N.M. \u2014 Once in a lifetime, a physicist may\u2026","rel":"","context":"In &quot;Asteroids &amp; Comets&quot;","block_context":{"text":"Asteroids &amp; Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"Chelyabinsk sky rendering","src":"https:\/\/i0.wp.com\/farm4.staticflickr.com\/3725\/10710138235_7af2f51e41_n.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":678,"url":"https:\/\/hobbyspace.com\/Blog\/?p=678","url_meta":{"origin":5214,"position":2},"title":"More on Asteroid 2014 DA14 and the Chelyabinsk meteor","author":"TopSpacer","date":"February 16, 2013","format":false,"excerpt":"NASA's Asteroids and Comets web site has a lot of good info about both the flyby of asteroid 2012 DA14 and the meteor fireball over central Russian. * NASA - Asteroid 2012 DA14 as Seen from Siding Spring, Australia: * Near-Earth Asteroid Makes Preview Appearance -\u00a0 a report and another\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"728241main_pia16737-226[1]","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2013\/02\/728241main_pia16737-2261.gif?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2966,"url":"https:\/\/hobbyspace.com\/Blog\/?p=2966","url_meta":{"origin":5214,"position":3},"title":"Chunk of Chelyabinsk meteorite said to be found in lake","author":"TopSpacer","date":"June 22, 2013","format":false,"excerpt":"A part of the meteorite that came from the great fireball over the city of Chelyabinsk, Russia back in February has been found at the bottom of a lake: Huge Chunk of Meteorite Located in Urals Lake - RIA Novosti","rel":"","context":"In &quot;Asteroids &amp; Comets&quot;","block_context":{"text":"Asteroids &amp; Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4794,"url":"https:\/\/hobbyspace.com\/Blog\/?p=4794","url_meta":{"origin":5214,"position":4},"title":"The Chelyabinsk meteor in weather sat images + Glorious earth images","author":"TopSpacer","date":"October 5, 2013","format":false,"excerpt":"Here's an interesting account of tracking down images from the Russian Elektro-L\u00a0weather satellite showing the trail of the fireball meteor that struck over Chelyabinsk last February:\u00a0On space kindness and the Chelyabinsk meteor - The Planetary Society. And here is a\u00a0GIF animation of the meteor created from images made by the\u00a0EUMETSAT\u00a0Meteosat-10\u2026","rel":"","context":"In &quot;Asteroids &amp; Comets&quot;","block_context":{"text":"Asteroids &amp; Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/img.youtube.com\/vi\/PTuztgc8T6searth\/0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":7433,"url":"https:\/\/hobbyspace.com\/Blog\/?p=7433","url_meta":{"origin":5214,"position":5},"title":"Video: Bright fireball over Murmansk","author":"TopSpacer","date":"April 19, 2014","format":false,"excerpt":"While not destructive like\u00a0the Chelyabinsk fireball explosion, this meteor over the Russian town of Murmansk is quite a\u00a0brilliant sight: Meteor Over Murmansk: Russian Fireball Caught on Dashcams - NBC News.com Large Meteor flew over Murmansk - Gazeta.ru (Google translation) Arctic residents took a bright flash in the sky for the\u2026","rel":"","context":"In &quot;Asteroids &amp; Comets&quot;","block_context":{"text":"Asteroids &amp; Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"http:\/\/www.assoc-amazon.com\/e\/ir?t=hobbyspace&l=ur2&o=1","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/5214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5214"}],"version-history":[{"count":1,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/5214\/revisions"}],"predecessor-version":[{"id":5215,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=\/wp\/v2\/posts\/5214\/revisions\/5215"}],"wp:attachment":[{"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hobbyspace.com\/Blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}