{"id":17544,"date":"2020-06-29T21:19:00","date_gmt":"2020-06-29T18:19:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/scientists-spot-promising-super-earth-planets-just-11-light-years-away\/"},"modified":"2020-06-29T21:19:00","modified_gmt":"2020-06-29T18:19:00","slug":"scientists-spot-promising-super-earth-planets-just-11-light-years-away","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/scientists-spot-promising-super-earth-planets-just-11-light-years-away\/","title":{"rendered":"#Scientists spot promising super-Earth planets just 11 light-years away"},"content":{"rendered":"

“#Scientists spot promising super-Earth planets just 11 light-years away<\/strong>”<\/p>\n

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June 29, 2020 |<\/span> 2:19pm |<\/span> Updated June 29, 2020 | 2:43pm<\/span><\/p>\n

\n Enlarge Image<\/p>\n

\"Artist\u2019s<\/img>
\n Artist’s impression of the multiplanetary system of newly discovered super-Earths orbiting nearby red dwarf Gliese 887.<\/span>
\n Mark Garlick<\/span><\/p><\/div>\n

\n A team of German astronomers has discovered two super-Earths near the red dwarf star Gliese 887 and just a short 11 light-years away from Earth.<\/p>\n

Super-Earths are planets with a mass greater than Earth\u2019s, but less than those of the ice giants Uranus and Neptune. The two exoplanets \u2014 planets located outside of our solar system \u2014 were named Gliese 887b and Gliese 887c, respectively.<\/p>\n

Working as part of the Red Dots campaign, University of Gottingen astronomer Sandra Jeffers authored a study on the exoplanets published in the journal Science<\/a> on Thursday.<\/p>\n

\u201cThese planets will provide the best possibilities for more detailed studies, including the search for life outside our solar system,\u201d Jeffers wrote.<\/p>\n

The team monitored the system using Chile\u2019s European Southern Observatory\u2019s High Accuracy Radial velocity Planet Searcher (HARPS) spectrograph and analyzed nearly 20 years of archival data on Gliese 887.<\/p>\n

Using a technique called the \u201cDoppler wobble,\u201d they found the planets to have orbits of just 9.3 and 21.8 days \u2014 faster than Mercury\u2019s highly elliptical 88-day orbit.<\/p>\n

Gliese 887b and Gliese 887c are located near their star\u2019s habitable zone, an area where liquid water may potentially exist. That said, measurements of Gliese 887c suggest a surface temperature of 158 degrees Fahrenheit or 70 degrees Celsius.<\/p>\n

\"Dr.<\/img>
Dr. Sandra Jeffers<\/span>University of G\u00f6ttingen<\/span><\/figcaption><\/figure>\n

In addition, they could potentially be rocky planets \u2014 much like Mars and Earth.<\/p>\n

Plus, Gliese 887 is fairly calm for a red dwarf star. Red dwarfs \u2014 although smaller and dimmer than our sun \u2014 will often blast out energetic flares than can destroy a planet\u2019s atmosphere.<\/p>\n

Red dwarf systems make up about 70 percent of the Milky Way\u2019s stellar population.<\/p>\n

The University of Gottingen affirmed Thursday that favorable conditions on Gliese 887 mean \u201cthe newly discovered planets may retain their atmospheres, or have thicker atmospheres than the Earth, and potentially host life.\u201d<\/p>\n

Jeffers\u2019 research also suggests that our exoplanet neighbors could eventually be good targets for NASA\u2019s much-delayed next-generation James Webb Space Telescope \u2014 a successor to the Hubble Telescope that may be able to provide more information, including whether the Gliese 887 exoplanets have atmospheres.<\/p>\n

The team also detected a signal farther out that could correspond to a possible third planet that may be even more suitable for life.<\/p>\n

According to NASA, more than 4,000 exoplanets have been discovered in total and are considered \u201cconfirmed.\u201d However, there are thousands of other \u201ccandidate\u201d exoplanet detections.<\/p>\n

Since the first exoplanets were discovered in the early 1990s, the number of known exoplanets has doubled about every 27 months.\n <\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n

Source<\/a><\/span><\/p>\n

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“#Scientists spot promising super-Earth planets just 11 light-years away” June 29, 2020 | 2:19pm | Updated June 29, 2020 | 2:43pm Enlarge Image Artist’s impression of the multiplanetary system of newly discovered super-Earths orbiting nearby red dwarf Gliese 887. Mark Garlick A team of German astronomers has discovered two super-Earths near the red dwarf star…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[29410],"class_list":["post-17544","post","type-post","status-publish","format-standard","hentry","category-general","tag-scientists-spot-promising-super-earth-planets-just-11-light-years-away"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/17544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=17544"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/17544\/revisions"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=17544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=17544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=17544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}