{"id":46780,"date":"2025-05-05T13:27:52","date_gmt":"2025-05-05T07:57:52","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=46780"},"modified":"2025-05-20T13:38:28","modified_gmt":"2025-05-20T08:08:28","slug":"pulsar-g359","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/pulsar-g359\/","title":{"rendered":"Pulsar G359 &#8211; Galactic \u2018Bone\u2019"},"content":{"rendered":"<h2>Pulsar G359 Galactic \u2018Bone\u2019 Latest News<\/h2>\n<p>Astronomers have identified the likely cause of a fracture in a long, bone-like structure in the Milky Way Galaxy, known as G359.13142-0.20005 (G359.13 or &#8220;The Snake&#8221;), using data from the Chandra X-ray Observatory and MeerKAT radio array.<\/p>\n<h2>About Pulsar G359 &#8211; Galactic \u2018Bone\u2019<\/h2>\n<ul>\n<li><strong>G359.13 is one of the longest and brightest non-thermal filaments<\/strong>\u00a0in the Galaxy, stretching\u00a0<strong>about 230 light-years<\/strong>\u00a0and located\u00a0<strong>~26,000 light-years<\/strong>\u00a0from Earth, near the\u00a0<strong>Galactic Center<\/strong>.<\/li>\n<li>These\u00a0<strong>galactic &#8220;bones&#8221;<\/strong>\u00a0are\u00a0<strong>elongated structures<\/strong>\u00a0seen primarily in\u00a0<strong>radio waves<\/strong>\u00a0and aligned with\u00a0<strong>magnetic field lines<\/strong>. Their appearance is due to\u00a0<strong>charged particles spiraling<\/strong>\u00a0along these magnetic fields, emitting synchrotron radiation.<\/li>\n<li><strong>A fracture has been detected<\/strong>\u00a0in the otherwise continuous structure of G359.13. This\u00a0<strong>disruption aligns<\/strong>\u00a0with the location of a\u00a0<strong>pulsar<\/strong>, identified via both\u00a0<strong>X-ray (Chandra)<\/strong>\u00a0and\u00a0<strong>radio data (MeerKAT and VLA)<\/strong>.<\/li>\n<li>The\u00a0<strong>pulsar is a fast-moving, highly magnetized neutron star<\/strong>, created by the\u00a0<strong>collapse of a massive star<\/strong>\u00a0during a\u00a0<strong>supernova explosion<\/strong>. It travels at speeds estimated between\u00a0<strong>1 to 2 million miles per hour<\/strong>.<\/li>\n<li>The pulsar appears to have\u00a0<strong>collided with G359.13<\/strong>, causing a\u00a0<strong>distortion in its magnetic field<\/strong>, which in turn\u00a0<strong>warped the radio signal<\/strong>\u00a0and physically\u00a0<strong>fractured the filament<\/strong>.<\/li>\n<li>The\u00a0<strong>Chandra X-ray data<\/strong>\u00a0revealed\u00a0<strong>blue-colored emission<\/strong>\u00a0from the suspected pulsar.\u00a0<strong>Additional X-ray sources near the pulsar<\/strong>\u00a0may originate from\u00a0<strong>electrons and positrons<\/strong>\u00a0(antimatter particles) that have been\u00a0<strong>accelerated to extremely high energies<\/strong>.<\/li>\n<li>This event provides critical insights into\u00a0<strong>high-energy astrophysical processes<\/strong>, especially the\u00a0<strong>interaction of pulsars with galactic magnetic structures<\/strong>.<\/li>\n<\/ul>\n<h2>About Chandra X-ray Observatory<\/h2>\n<ul>\n<li>The\u00a0<strong>Chandra X-ray Observatory<\/strong>\u00a0is\u00a0<strong>NASA\u2019s flagship space telescope<\/strong>\u00a0for detecting\u00a0<strong>X-ray emissions<\/strong>\u00a0from\u00a0<strong>super-hot regions<\/strong>\u00a0of the universe, like\u00a0<strong>supernova remnants<\/strong>,\u00a0<strong>black holes<\/strong>, and\u00a0<strong>galaxy clusters<\/strong>.<\/li>\n<li><strong>Launched on July 23, 1999<\/strong>, by the\u00a0<strong>Space Shuttle Columbia (STS-93)<\/strong>, Chandra operates in\u00a0<strong>high Earth orbit<\/strong>\u00a0at altitudes up to\u00a0<strong>139,000 km<\/strong>\u00a0to avoid X-ray absorption by Earth\u2019s atmosphere.<\/li>\n<li>It is part of NASA\u2019s\u00a0<strong>\u201cGreat Observatories\u201d program<\/strong>, along with the\u00a0<strong>Hubble Space Telescope<\/strong>,\u00a0<strong>Spitzer Space Telescope<\/strong>, and the\u00a0<strong>now-retired Compton Gamma Ray Observatory<\/strong>.<\/li>\n<li>Chandra has\u00a0<strong>eight-times greater resolution<\/strong>\u00a0than earlier X-ray missions and can\u00a0<strong>detect X-ray sources 20 times fainter<\/strong>\u00a0than any of its predecessors.<\/li>\n<li>It is managed by\u00a0<strong>NASA\u2019s Marshall Space Flight Center<\/strong>\u00a0and supports international collaboration for studying\u00a0<strong>extreme environments<\/strong>\u00a0in the cosmos.<\/li>\n<\/ul>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/phys.org\/news\/2025-05-chandra-fracture-galactic-bone.html\" target=\"_blank\" rel=\"nofollow noopener\">PHY<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pulsar G359 is nicknamed the &#8220;Galactic Bone&#8221; due to its elongated, bone-like radio-emitting structure near the Milky Way\u2019s centre.<\/p>\n","protected":false},"author":11,"featured_media":46781,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,311,23],"class_list":{"0":"post-46780","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-pointers","9":"tag-pulsar-g359","10":"tag-upsc-prelims-current-affairs","11":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/46780","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\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=46780"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/46780\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/46781"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=46780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=46780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=46780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}