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<div id='article-page'><div id='article-content' data-media-url='//news-app-staging.s3.amazonaws.com' data-base-url='//news-app-staging.herokuapp.com' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/black_holes.m4a' data-capture-url='//staging.analytics.lingraphica.com/events/capture_news' data-article-title='New Information Adds to Understanding of Black Holes' data-article-id='1899'><script src='//news-app-staging.herokuapp.com/javascripts/getscripts.js'></script><link rel='stylesheet' href='//news-app-staging.herokuapp.com/stylesheets/article.css' type='text/css' /><div class='article'><p><span data-start-time='0' data-end-time='6542'>The human eye is unable to see black holes in space.</span> <span data-start-time='6542' data-end-time='18604'>But telescopes with special tools can help find black holes by seeing how they affect nearby stars.</span> <span data-start-time='18604' data-end-time='28021'>In February, the Japanese space agency sent its Astro-H satellite into orbit around the Earth.</span> <span data-start-time='28021' data-end-time='41604'>The satellite&rsquo;s job was to examine large structures in space, like huge black holes that exist at the center of most galaxies.</span> <span data-start-time='41604' data-end-time='45750'>Galaxies are large groups of stars.</span> <span data-start-time='45750' data-end-time='55042'>Scientists estimate there are between 100 and 200 billion galaxies in the universe.</span> <span data-start-time='55042' data-end-time='61042'>The Astro-H satellite fell apart after only a month in space.</span> <span data-start-time='61042' data-end-time='68063'>But in that short time, Astro-H was able to gather important information.</span> <span data-start-time='68063' data-end-time='78313'>It sent back data about thePerseus cluster  a grouping of galaxies in the star constellation Perseus.</span> <span data-start-time='78313' data-end-time='84083'>The Perseus cluster is home to hundreds of galaxies.</span> <span data-start-time='84083' data-end-time='89458'>They are 240 million light years from Earth.</span> </p></div><div class='control-buttons-sticky' style='display:none;'><div class='control-buttons'><button title='Back' class='back' disabled='disabled'></button><button title='Play' class='play' disabled='disabled'></button><button title='Pause' class='pause' style='display:none;'></button><button title='Forward' class='forward' disabled='disabled'></button><button class='finished-reading' style='display:none;'>Done</button></div></div></div><div id='article-media'><div id='media-image'><img src='https://news-app-production.s3.amazonaws.com/articles/1403/black_holes.jpg'/></div></div><div id='question-content' style='display:none;'><div class='vocabulary_question question-container' data-question-id=7273 data-hint-location='28021' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/what_does_galaxy_mean.m4a'>What does galaxy mean?</div><div class='choices' data-correct-choice='any one of the very large groups of stars that make up the universe'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/a_type_of_sun.m4a'><span>a type of sun</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/a_type_of_star.m4a'><span>a type of star</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/any_one_of_the_very_large_groups_of_stars_that_make_up_the_universe.m4a'><span>any one of the very large groups of stars that make up the universe</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/a_planet.m4a'><span>a planet</span></div></div></div><div class='multiple_choice_question question-container' data-question-id=7274 data-hint-location='18604' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/which_country_launched_the_astro_h_satellite_into_orbit.m4a'>Which country launched the Astro H satellite into orbit?</div><div class='choices' data-correct-choice='Japan'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/china.m4a'><span>China</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/russia.m4a'><span>Russia</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/the_united_states.m4a'><span>The United States</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/japan.m4a'><span>Japan</span></div></div></div><div class='sentence_completion_question question-container' data-question-id=7275 data-hint-location='6542' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/but__blank__with_special_tools_can_help_find_black_holes_by_seeing_how_they_affect_nearby_stars.m4a'>But <span class='blank'>telescopes</span> with special tools can help find black holes by seeing how they affect nearby stars.</div><div class='choices' data-correct-choice='telescopes'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/animals.m4a'><span>animals</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/telescopes.m4a'><span>telescopes</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/astronauts.m4a'><span>astronauts</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1403/spaceships.m4a'><span>spaceships</span></div></div></div><div class='question-buttons'><button class='skip-button'></button><button class='hint-button'></button><button class='speak-button'></button></div></div></div>

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