{"id":29645,"date":"2017-03-15T00:32:31","date_gmt":"2017-03-14T19:02:31","guid":{"rendered":"https:\/\/yaabot.com\/?p=29645"},"modified":"2024-02-21T18:18:59","modified_gmt":"2024-02-21T12:48:59","slug":"seven-earth-sized-planets-discovered","status":"publish","type":"post","link":"https:\/\/entropymag.co\/seven-earth-sized-planets-discovered\/","title":{"rendered":"7 Earth Sized Exoplanets Discovered"},"content":{"rendered":"\n
A recent announcement by NASA has lit up cosmology circles. Seven earth-sized exoplanets have been discovered, making it the largest discovery of such objects so far. Of course, the new find has (again) raised hopes of finding life beyond our planet, even though such detection is probably impossible in our lifetimes.<\/p>\n\n\n\n
Exoplanets<\/a> are those planets that do not orbit our Sun, but some other star instead. Thereby such planets are also called extrasolar planets. The first confirmed exoplanet was discovered back in 1992. Ever since then, about 3,583 exoplanets<\/a> have been discovered. Ranging from larger than Jupiter to smaller than Earth, these planets have been located in 2,688 planetary systems and 603 multiple planetary systems.<\/p>\n\n\n\n <\/u>Exoplanets are difficult to find since when we look directly from Earth. We are blinded by the glare of the host star which these planets orbit. Indirect methods, like the transit method, are used to locate such planets. A transit method involves us measuring the dip in brightness of the star while the planet passes between it and us. The dip helps us calculate multiple properties – like the size of the planet, and its speed.<\/p>\n\n\n\n On February 22, 2017, NASA scientists found seven Earth-sized exoplanets. The observations were made with the help of NASA\u2019s Spitzer Space Telescope. It is the first time ever that so many planets have been discovered together and that too all of them orbiting the same star.<\/p>\n\n\nThe Recent Discovery<\/strong><\/h2>\n\n\n\n