The human eye is unable to see black holes in space. But telescopes with special tools can help find black holes by seeing how they affect nearby stars. In February, the Japanese space agency sent its Astro-H satellite into orbit around the Earth. The satellite’s job was to examine large structures in space, like huge black holes that exist at the center of most galaxies. Galaxies are large groups of stars. Scientists estimate there are between 100 and 200 billion galaxies in the universe. The Astro-H satellite fell apart after only a month in space. But in that short time, Astro-H was able to gather important information. It sent back data about thePerseus cluster a grouping of galaxies in the star constellation Perseus. The Perseus cluster is home to hundreds of galaxies. They are 240 million light years from Earth.
Title: New Information Adds to Understanding of Black Holes
Content: <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’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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