{"id":238855,"date":"2023-04-20T20:17:18","date_gmt":"2023-04-20T14:47:18","guid":{"rendered":"https:\/\/blog.forumias.com\/?p=238855"},"modified":"2023-04-20T20:17:18","modified_gmt":"2023-04-20T14:47:18","slug":"why-is-a-star-planet-pair-just-12-light-years-away-emitting-radio-signals","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/why-is-a-star-planet-pair-just-12-light-years-away-emitting-radio-signals\/","title":{"rendered":"Why is a star-planet pair just 12 light-years away emitting radio signals?"},"content":{"rendered":"\n<p><b>Source:<\/b><span style=\"font-weight: 400;\"> The post is based on the article<\/span><b> \u201cWhy is a star-planet pair just 12 light-years away emitting radio signals?\u201d <\/b><span style=\"font-weight: 400;\">published in <\/span><b>The Hindu <\/b>on<b> 20th April 2023<\/b><\/p>\n<h2><b>What is the News?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Astronomers have discovered a repeating radio signal from YZ Ceti b, a rocky, Earth-sized exoplanet.<\/span><\/p>\n<h2><b>What is YZ Ceti b?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">YZ Ceti b is a rocky, Earth-sized exoplanet rotating around a small red dwarf star only 12 light-years away from Earth.<\/span><\/p>\n<h2><b>What have astronomers discovered?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Astronomers have detected a repeating radio signal from YZ Ceti b.This discovery suggests the presence of a magnetic field around the planet, which is one of the prerequisites for a habitable planet.<\/span><\/p>\n<h2><b>How does Ceti b produce radio signals?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The radio signals detected from YZ Ceti b are a result of the interaction between the planet\u2019s magnetic field and the star.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Such signals can only be produced if the exoplanet orbits very close to its parent star and has its own magnetic field to influence the stellar wind and generate the signals.<\/span><\/p>\n<h2><b>Why is a magnetic field important?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The magnetic field is important because the survival of a planet\u2019s atmosphere may well depend on its having, or not having, a strong magnetic field, since the field protects its atmosphere from being eroded by the charged particles blowing in from its star.<\/span><\/p>\n<h2><b>What are Red Dwarf Stars?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Red dwarf stars are small, low-mass, dim, and cool stars, they are the most common and smallest in the universe.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">As they don\u2019t radiate much light, it\u2019s very tough to detect them with the naked eye from Earth.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, as red dwarfs are dimmer than other stars, it is easier to find exoplanets that surround them. Therefore, red dwarfs are a popular target for planet hunting.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source: The post is based on the article \u201cWhy is a star-planet pair just 12 light-years away emitting radio signals?\u201d published in The Hindu on 20th April 2023 What is the News? Astronomers have discovered a repeating radio signal from YZ Ceti b, a rocky, Earth-sized exoplanet. What is YZ Ceti b? YZ Ceti b&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/why-is-a-star-planet-pair-just-12-light-years-away-emitting-radio-signals\/\">Continue reading <span class=\"screen-reader-text\">Why is a star-planet pair just 12 light-years away emitting radio signals?<\/span><\/a><\/p>\n","protected":false},"author":10317,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,9],"tags":[10498],"class_list":["post-238855","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-public","tag-the-hindu","entry"],"jetpack_featured_media_url":"","views":{"total":0,"cached_at":"","cached_date":1703720620},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/238855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10317"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=238855"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/238855\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=238855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=238855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=238855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}