{"page":"<link rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" />\n<link rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" />\n<div data-title='How Are Large Asteroids Tracked?' data-url='/boclips/videos/5c66ffe6350a1b0001a75808' data-video-url='/boclips/videos/5c66ffe6350a1b0001a75808' id='bo_player_modal'>\n<div class='boclips-resource-page modal-dialog panel-container'>\n<div class='react-notifications-root'></div>\n<div class='rp-header'>\n<div class='rp-type'>\n<i aria-hidden='true' class='fai fa-regular fa-circle-play'></i>\nVideo\n</div>\n<h1 class='rp-title' id='video-title'>\nHow Are Large Asteroids Tracked?\n</h1>\n<div class='rp-actions'>\n<div class='mr-1'>\n<a class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"><span><span>Get Free Access</span><span class=\"\"> for 10 Days</span><span>!</span></span></a>\n</div>\n</div>\n</div>\n<div class='rp-body'>\n<div class='rp-info'>\n<div aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'>&times;</div>\n<i aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'></i>\n<i aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'></i>\n<div class='rp-rating'>\n<span class='resource-pool'>\n<span class='pool-label'>Publisher:</span>\n<span class='pool-name'>\n<span class='text'><a data-publisher-id=\"392383\" href=\"/search?publisher_ids%5B%5D=392383\">American Museum of Natural History</a></span>\n</span>\n</span>\n</div>\n<div class='rp-description'>\n<span class='short-description'>Since 2005, when the U.S. Congress mandated that NASA identify and track all near-Earth objects that are larger than 140 meters (approximately the diameter of a football field), professional and amateur astronomers have kept a tally of...</span>\n<span class='full-description hide'>Since 2005, when the U.S. Congress mandated that NASA identify and track all near-Earth objects that are larger than 140 meters (approximately the diameter of a football field), professional and amateur astronomers have kept a tally of all potential earth-crossers. #asteroids #meteors #Earth #space #telescopes #tracking #astronomy Meteorite specialist Denton Ebel, curator in the Division of Physical Sciences, explains how Near-Earth Objects are tracked using a telescope, camera and software. ASTEROID CRASH COURSE Asteroids can be hazardous to life on Earth, but they also provide clues about the early solar system. In the Asteroid Crash Course video series, Denton Ebel, curator in the Museum's Division of Physical Sciences, explains how asteroids formed and the varying degrees of destruction they cause when they fall to Earth. What is an <a href='https://youtu.be/LopiH8cXtkI' target='_blank' rel='nofollow'>Asteroid?</a> Meteorite, Meteor: What’s the <a href='https://youtu.be/9NASWzKQ-2I' target='_blank' rel='nofollow'>Difference?</a> Why Are There No Planets in the Asteroid <a href='https://youtu.be/3D93vl15-54' target='_blank' rel='nofollow'>Belt?</a> What Were the Biggest Asteroids to Hit <a href='https://youtu.be/CGkjTYqtpco' target='_blank' rel='nofollow'>Earth?</a> Can Asteroids Be <a href='https://youtu.be/iVJPf_dqQyc' target='_blank' rel='nofollow'>Deflected?</a> What Happens When Large Meteorites Fall to <a href='https://youtu.be/jm_NHMPnv34' target='_blank' rel='nofollow'>Earth?</a> VIDEO CREDITS: PHOTOGRAPHY: NASA/JPL-Caltech/UCAL/MPS/DLR/IDA VIDEO: AMNH/J. Bauerle VISUALIZATIONS AMNH/Denver Museum of Nature & Science/GOTO, Inc. Tokyo, Japan/ Shanghai Science and Technology Museum, China B612 Foundation NASA/Goddard/University of Arizona MUSIC “Fanfares From The Opera Libuse” by Antonin Dvorak, Zdenek Fibich and Bedrich Smetana/Warner Chappell Production Music “Stately Homes” by Jim Jammy and Roger Dodgers/Warner Chappell Production Music SOUND EFFECTS “Dark Territory” by Limits of Perception/Warner Chappell Production Music “Fire Creep” by Limits of Perception/Warner Chappell Production Music Freesound/cognitu-perceptu, bareform, dobroide, fabianofa Jagadamba, marcuslee “Hit-blizzard” by Robert Dudzic/Warner Chappell Production Music “Overhead Projectile” by Limits of Perception/Warner Chappell Production Music “Solar Wind Drone” by Gerhard Daum/Warner Chappell Production Music “VHS Tape Rewinding” by Zdenek Nedved/Warner Chappell Production Music COSMIC COLLISIONS Cosmic Collisions was developed by the American Museum of Natural History, New York, in collaboration with the Denver Museum of Nature & Science; GOTO, Inc., Tokyo, Japan; and the Shanghai Science and Technology Museum, China. Made possible through the generous support of CIT. Cosmic Collisions was developed by the American Museum of Natural History with the major support and partnership of National Aeronautics and Space Administration, Science Mission Directorate, Heliophysics Division, grant number NNG04GC18G. This video and all media incorporated herein (including text, images, and audio) are the property of the American Museum of Natural History or its licensors, all rights reserved. The Museum has made this video available for your personal, educational use. You may not use this video, or any part of it, for commercial purposes, nor may you reproduce, distribute, publish, prepare derivative works from, or publicly display it without the prior written consent of the Museum. © American Museum of Natural History, New York, NY</span>\n</div>\n<div class='action-container flex justify-between'>\n<button aria-expanded='false' aria-label='Read more description' class='rp-full-description' type='button'>\n<i class='fai fa-solid fa-align-left'></i>\n<span id='read_more'>Read More</span>\n</button>\n<div class='rp-report'>\n</div>\n</div>\n<div aria-labelledby='resource-details-heading' class='rp-info-section'>\n<h2 class='title' id='resource-details-heading'>Resource Details</h2>\n<div class='rp-resource-details clearfix'>\n<div class='detail'>\n<dl>\n<dt>Curator Rating</dt>\n<dd><span class=\"star-rating\" aria-label=\"4.0 out of 5 stars\" role=\"img\"><i class=\"fa-solid fa-star text-action\" aria-hidden=\"true\"></i><i class=\"fa-solid fa-star text-action\" aria-hidden=\"true\"></i><i class=\"fa-solid fa-star text-action\" aria-hidden=\"true\"></i><i class=\"fa-solid fa-star text-action\" aria-hidden=\"true\"></i><i class=\"fa-regular fa-star text-action\" aria-hidden=\"true\"></i></span></dd>\n</dl>\n</div>\n<div class='detail'>\n<dl>\n<dt class=\"educator-rating-title\">Educator Rating</dt><dd><div class=\"educator-rating-details\" data-path=\"/educator_ratings/rrp_data?resourceable_id=109654&amp;resourceable_type=Boclips%3A%3AVideoMetadata\"><span class=\"not-yet-rated\">Not yet Rated</span></div></dd>\n</dl>\n</div>\n<div class='detail'>\n<dl>\n<dt>Grade</dt><dd title=\"Grade\">6th - 11th</dd>\n</dl>\n</div>\n<div class='detail'>\n<dl>\n<dt>Subjects</dt><dd><span><a href=\"/search?grade_ids%5B%5D=252&amp;grade_ids%5B%5D=253&amp;grade_ids%5B%5D=254&amp;grade_ids%5B%5D=255&amp;grade_ids%5B%5D=256&amp;grade_ids%5B%5D=257&amp;search_tab_id=1&amp;subject_ids%5B%5D=1216220\">All Subjects</a></span></dd>\n</dl>\n</div>\n<div class='detail'>\n<dl>\n<dt>Media Type</dt><dd><span><a href=\"/search?grade_ids%5B%5D=252&amp;grade_ids%5B%5D=253&amp;grade_ids%5B%5D=254&amp;grade_ids%5B%5D=255&amp;grade_ids%5B%5D=256&amp;grade_ids%5B%5D=257&amp;search_tab_id=2&amp;type_ids%5B%5D=4543647\">Instructional Videos</a></span></dd>\n</dl>\n</div>\n<div class='detail'>\n<dl>\n<dt>Source:</dt>\n<dd></dd>\n</dl>\n</div>\n<div class='detail'>\n<dl>\n<dt>Date</dt>\n<dd>2019</dd>\n</dl>\n</div>\n<div class='detail'>\n<dl>\n<i aria-hidden='true' class='fai fa-solid fa-language'></i>\n\n</dl>\n</div>\n<div class='detail'>\n<dl>\n<dt>Audiences</dt><dd><span><a href=\"/search?audience_ids%5B%5D=371079&amp;grade_ids%5B%5D=252&amp;grade_ids%5B%5D=253&amp;grade_ids%5B%5D=254&amp;grade_ids%5B%5D=255&amp;grade_ids%5B%5D=256&amp;grade_ids%5B%5D=257&amp;search_tab_id=1\">For Teacher Use</a></span></dd><dd class=\"text-muted\"><i class=\"fa-solid fa-lock mr5\"></i>2 more...</dd>\n</dl>\n</div>\n<div class='detail'>\n<dl>\n\n</dl>\n</div>\n</div>\n</div>\n<div aria-labelledby='educator-ratings-heading' class='rp-info-section'>\n<h2 class='title sr-only' id='educator-ratings-heading'>Educator Ratings</h2>\n<div id=\"educator-ratings-root\"></div><div id=\"all-educator-ratings-root\"></div><div id=\"educator-rating-form-root\"></div>\n</div>\n</div>\n<div class='rp-resource'>\n<div aria-label='Show resource details' class='rp-show-info' role='button' tabindex='0'>\n<i class='fai fa-solid fa-align-left'></i>\nShow resource details\n</div>\n<div aria-label='Video player' class='player' id='player-wrapper' role='region'>\n<div class='relative container mx-auto' id='lp-boclips-visitor-thumbnail'>\n<a class=\"block\" data-html=\"true\" data-placement=\"bottom\" data-trigger=\"click\" data-content=\"<div class=&quot;text-center py-2&quot;><a class=&quot;bold&quot; 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