Scientists say they discovered an Earth-like planet orbiting the star closest to our planet other than the Sun. It is the closest planet ever found outside our solar system that could support life as we know it. This exoplanet is just 4.2 light years away from us. It is so close that space scientists have likened it to a next door neighbor. They say it could be reached by an unmanned spacecraft before the end of the century in time for people alive today to see it. An international team of astronomers found the planet orbiting the star Proxima Centauri. The scientific publication Nature published their findings last month. Scientists have long thought that a planet with water and a not-too-hot, but not-too-cold climate are important for life. That is, if the planet has an atmosphere.
Title: Possible Earth-Like Planet Next Door?
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/1369/space_like_planet.m4a' data-capture-url='//staging.analytics.lingraphica.com/events/capture_news' data-article-title='Possible Earth-Like Planet Next Door?' data-article-id='1857'><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='12646'>Scientists say they discovered an Earth-like planet orbiting the star closest to our planet other than the Sun.</span> <span data-start-time='12646' data-end-time='23854'>It is the closest planet ever found outside our solar system that could support life as we know it.</span> <span data-start-time='23854' data-end-time='32271'>This exoplanet is just 4.2 light years away from us.</span> <span data-start-time='32271' data-end-time='41250'>It is so close that space scientists have likened it to a next door neighbor.</span> <span data-start-time='41250' data-end-time='55146'>They say it could be reached by an unmanned spacecraft before the end of the century in time for people alive today to see it.</span> <span data-start-time='55146' data-end-time='64667'>An international team of astronomers found the planet orbiting the star Proxima Centauri.</span> <span data-start-time='64667' data-end-time='71604'>The scientific publication Nature published their findings last month.</span> <span data-start-time='71604' data-end-time='85188'>Scientists have long thought that a planet with water and a not-too-hot, but not-too-cold climate are important for life.</span> <span data-start-time='85188' data-end-time='90042'>That is, if the planet has an atmosphere.</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/1369/space_like_planet.jpg'/></div></div><div id='question-content' style='display:none;'><div class='multiple_choice_question question-container' data-question-id=7148 data-hint-location='71604' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/what_is_not_necessary_for_a_planet_to_support_life.m4a'>What is not necessary for a planet to support life?</div><div class='choices' data-correct-choice='cars'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/average_climate.m4a'><span>average climate</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/cars.m4a'><span>cars</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/atmosphere.m4a'><span>atmosphere</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/water.m4a'><span>water</span></div></div></div><div class='vocabulary_question question-container' data-question-id=7147 data-hint-location='23854' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/what_does_exoplanet_mean.m4a'>What does exoplanet mean?</div><div class='choices' data-correct-choice='a planet that orbits a star other than our sun'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/a_planet_that_orbits_our_sun.m4a'><span>a planet that orbits our sun</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/a_planet_located_in_the_milky_way.m4a'><span>a planet located in the milky way</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/another_name_for_our_sun.m4a'><span>another name for our sun</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/a_planet_that_orbits_a_star_other_than_our_sun.m4a'><span>a planet that orbits a star other than our sun</span></div></div></div><div class='sentence_completion_question question-container' data-question-id=7149 data-hint-location='12646' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/it_is_the_closest__blank__ever_found_outside_our_solar_system_that_could_support_life_as_we_know_it.m4a'>It is the closest <span class='blank'>planet</span> ever found outside our solar system that could support life as we know it.</div><div class='choices' data-correct-choice='planet'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/planet.m4a'><span>planet</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/comet.m4a'><span>comet</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/sun.m4a'><span>sun</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/1369/star.m4a'><span>star</span></div></div></div><div class='question-buttons'><button class='skip-button'></button><button 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