{"id":4078,"date":"2026-01-15T11:12:53","date_gmt":"2026-01-15T05:42:53","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=4078"},"modified":"2026-01-15T15:57:50","modified_gmt":"2026-01-15T10:27:50","slug":"what-are-molecular-clouds","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-are-molecular-clouds\/","title":{"rendered":"Molecular Cloud"},"content":{"rendered":"<h2><b>Molecular Cloud Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Recently, astronomers studied the L328 molecular cloud, located around 700 light years away, to map the magnetic fields at multiple scales.<\/span><\/p>\n<h2><b>About Molecular Cloud<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is an <\/span><b>interstellar cloud<\/b> <b>of gas and dust<\/b><span style=\"font-weight: 400;\"> in which molecules can form, the most common of which is hydrogen (H2).<\/span><\/li>\n<\/ul>\n<h2><b>Properties of Molecular Cloud<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">These are characterized by <\/span><b>their low temperatures<\/b><span style=\"font-weight: 400;\"> (below 40 K, colder than liquid nitrogen) and <\/span><b>relatively high densities<\/b><span style=\"font-weight: 400;\"> (103\u2013104 particles per cubic cm).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Size:<\/b><span style=\"font-weight: 400;\"> The size of these clouds can be from a <\/span><b>few light years up to 600 light years<\/b><span style=\"font-weight: 400;\">. Their total mass can reach several million solar masses.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Molecular clouds with dimensions of more than about 15 light years are also called <\/span><b>giant molecular clouds.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The complex interplay between three key forces, namely <\/span><b>gravity, magnetic fields, and turbulence<\/b><span style=\"font-weight: 400;\">, determines how these clouds collapse to form stars.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The central regions of these clouds are <\/span><b>completely hidden from view by dust<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They are the raw material of stars and planets. These clouds do not last for a very long time.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">After the new stars are born, their solar winds blow away the remaining gas and dust.\u00a0<\/span><\/li>\n<\/ul>\n<h2><b>Significance of Molecular Cloud<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Molecular clouds are so important because they are the <\/span><b>raw material of stars and planets.<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is thought to be the birthplace of stars and planetary systems through processes of contraction, condensation, and accretion.<\/span><\/li>\n<\/ul>\n<p><b>Source:<\/b> <strong><a href=\"https:\/\/www.pib.gov.in\/PressReleasePage.aspx?PRID=2214591&amp;reg=3&amp;lang=1\" target=\"_blank\" rel=\"nofollow noopener\">PIB<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Molecular Cloud is an interstellar cloud of gas and dust in which molecules can form, the most common of which is hydrogen (H2). Read more about Molecular Cloud, Properties, Size, Significance, Latest News.<\/p>\n","protected":false},"author":5,"featured_media":82618,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[4742],"class_list":{"0":"post-4078","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-molecular-cloud","9":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/4078","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=4078"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/4078\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/82618"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=4078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=4078"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=4078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}