{"id":748387,"date":"2023-02-16T15:04:02","date_gmt":"2023-02-16T19:04:02","guid":{"rendered":"http:\/\/spaceweekly.com\/?p=748387"},"modified":"2023-02-16T15:04:02","modified_gmt":"2023-02-16T19:04:02","slug":"an-extremely-lightweight-fission-rocket-could-reach-the-solar-gravitational-lens-in-15-years","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=748387","title":{"rendered":"An extremely lightweight fission rocket could reach the solar gravitational lens in 15 years"},"content":{"rendered":"<p>Novel propulsion ideas for moving around space seem like they&#8217;re a dime a dozen recently. Besides the typical argument between solar sails and chemical propulsion lies a potential third way\u2014a nuclear rocket engine. While we&#8217;ve discussed them here at UT before, NASA&#8217;s Institute of Advanced Concepts has provided a grant to a company called Positron Dynamics for the development of a novel type of nuclear fission fragment rocket engine (FFRE). It could strike the balance between the horsepower of chemical engines and the longevity of solar sails.&#013;<br \/>\n&#013;<br \/>\n&#013;<br \/>\n Click here for original story, <a href=\"https:\/\/phys.org\/news\/2023-02-extremely-lightweight-fission-rocket-solar.html\" target=\"_blank\" rel=\"nofollow noopener\">An extremely lightweight fission rocket could reach the solar gravitational lens in 15 years<\/a>&#013;<br \/>\n&#013;<br \/>\n&#013;<br \/>\nSource: Phys.org&#013;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Novel propulsion ideas for moving around space seem like they&#8217;re a dime a dozen recently. Besides the typical argument between solar sails and chemical propulsion lies a potential third way\u2014a&hellip; <\/p>\n","protected":false},"author":1,"featured_media":615444,"comment_status":"false","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[],"class_list":["post-748387","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phys-org"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/748387","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=748387"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/748387\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=748387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=748387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=748387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}