{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-c03aa079.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-517835be.css\" media=\"all\" /\u003e\n\u003cdiv data-title='How We Know Black Holes Exist' data-url='/boclips/videos/5f7dd4fd8cd8ed7a1e388dba' data-video-url='/boclips/videos/5f7dd4fd8cd8ed7a1e388dba' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nHow We Know Black Holes Exist\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30358008\" href=\"/search?publisher_ids%5B%5D=30358008\"\u003eMinutePhysics\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eThanks to the James Webb Space Telescope (JWST) and Space Telescope Science Institute for supporting this video.This video is about the astronomical amount of astronomical evidence for black holes, ranging from x-ray binaries with...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eThanks to the James Webb Space Telescope (JWST) and Space Telescope Science Institute for supporting this video.\u003cbr/\u003e\u003cbr/\u003e\u003cbr/\u003eThis video is about the astronomical amount of astronomical evidence for black holes, ranging from x-ray binaries with accretion disks, supermassive infrared-radiating galactic nuclei black holes, orbital characteristics of high mass binaries, and direct gravitational wave detection of inspiraling merging black hole binaries with LIGO. Yes, they're real.\u003cbr/\u003e\u003cbr/\u003eREFERENCES\u003cbr/\u003e\u003cbr/\u003eInteractive: Masses in the Stellar \u003ca href='https://ligo.northwestern.edu/media/mass-plot/index.html' target='_blank' rel='nofollow'\u003eGraveyard\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eGalactic Center Orbital Models and Inner Stellar Distributions\u003cbr/\u003e\u003cbr/\u003eData provided by Andrea Ghez and Sylvana Yelda, UCLA (obtained with the Keck Telescopes)\u003cbr/\u003e\u003cbr/\u003eVisualization by Stuart Levy and Robert Patterson, National Center for Supercomputing Applications, University of Illinois at Urbana-\u003ca href='http://avl.ncsa.illinois.edu/astrophysics/galactic-center-orbital-models-and-inner-stellar-distributions' target='_blank' rel='nofollow'\u003eChampaign\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eMasses of observed black \u003ca href='https://stellarcollapse.org/bhmasses' target='_blank' rel='nofollow'\u003eHoles\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eDownloadable LIGO \u003ca href='https://losc.ligo.org/events/GW170817/' target='_blank' rel='nofollow'\u003eData\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eLIGO Neutron Star Binary \u003ca href='http://www.astronomy.com/news/2017/10/ligo-detects-a-neutron-star-merger' target='_blank' rel='nofollow'\u003eMerger\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eMasses of observed neutron \u003ca href='https://stellarcollapse.org/nsmasses' target='_blank' rel='nofollow'\u003estars\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eCygnus X-1 X-ray binary Black \u003ca href='https://en.wikipedia.org/wiki/Cygnus_X-1#Star_system' target='_blank' rel='nofollow'\u003eHole\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eLecture notes on black \u003ca href='http://eagle.phys.utk.edu/guidry/astro616/lectures/lecture_ch18.pdf' target='_blank' rel='nofollow'\u003eholes\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eCalvera isolated neutron star X-ray \u003ca href='https://en.wikipedia.org/wiki/Calvera_(X-ray_source)' target='_blank' rel='nofollow'\u003esource\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eScientific American: pulsar that behaves like a black \u003ca href='https://www.scientificamerican.com/article/black-hole-pretenders-may-be-superfast-spinning-pulsars/' target='_blank' rel='nofollow'\u003ehole\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eLargest known neutron \u003ca href='https://en.wikipedia.org/wiki/PSR_J0348%2B0432' target='_blank' rel='nofollow'\u003estar\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003e\u003ca href='http://simbad.u-strasbg.fr/simbad/sim-id?Ident=PSR+J0348%2B0432' target='_blank' rel='nofollow'\u003e\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eLarge Neutron \u003ca href='https://arxiv.org/abs/0712.0024' target='_blank' rel='nofollow'\u003eStar\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eWandering Black \u003ca href='https://www.nasa.gov/mission_pages/chandra/x-ray-telescopes-find-evidence-for-wandering-black-hole.html' target='_blank' rel='nofollow'\u003eHole\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003eSagittarius A* Black Hole Infrared \u003ca href='https://arxiv.org/pdf/0911.4659.pdf' target='_blank' rel='nofollow'\u003eemissions\u003c/a\u003e\u003cbr/\u003e\u003cbr/\u003e\u003cbr/\u003eMinute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!\u003cbr/\u003e\u003cbr/\u003eCreated by Henry Reich\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='action-container flex justify-between'\u003e\n\u003cbutton aria-expanded='false' aria-label='Read more description' class='rp-full-description' type='button'\u003e\n\u003ci class='fai fa-solid fa-align-left'\u003e\u003c/i\u003e\n\u003cspan id='read_more'\u003eRead More\u003c/span\u003e\n\u003c/button\u003e\n\u003cdiv class='rp-report'\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv 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