{"id":2187,"date":"2025-04-22T00:00:00","date_gmt":"2025-04-22T00:00:00","guid":{"rendered":"urn:uuid:9db42444-05c4-4e40-9be6-d7d80f86524b"},"modified":"2025-04-22T00:00:00","modified_gmt":"2025-04-22T00:00:00","slug":"124guang-nian-li-retahuo-xing-k2-18b","status":"publish","type":"post","link":"https:\/\/www.sekaiken.com\/?p=2187","title":{"rendered":"124\u5149\u5e74\u96e2\u308c\u305f\u60d1\u661fK2-18b"},"content":{"rendered":"

\u6628\u65e5\u7d39\u4ecb\u3057\u305f\u60d1\u661fK2-18b\u306b\u3064\u3044\u3066\u306f\u3001\u65e5\u672c\u8a9e\u306ewikipedia\u306b\u6700\u65b0\u306e\u60c5\u5831\u304c\u8f09\u3063\u3066\u3044\u3066\u9a5a\u304d\u307e\u3057\u305f\u3002
\nhttps:\/\/ja.wikipedia.org\/wiki\/K2-18b
\n\u305d\u308c\u306b\u3088\u308b\u3068\u3001\u76f4\u5f84\u306f\u5730\u7403\u306e2.72\u500d(34582km)\u3001\u8cea\u91cf\u306f8.63\u500d\u3067\u3059\u3002\u30ac\u30b9\u60d1\u661f\u3067\u3042\u308b\u53ef\u80fd\u6027\u3068\u3001\u5ca9\u77f3\u306e\u5927\u5730\u304c\u3042\u308b\u53ef\u80fd\u6027\u306e\u4e21\u65b9\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002
\n\u5730\u7403\u304b\u3089124\u5149\u5e74\u306e\u8ddd\u96e2\u306b\u3042\u308b\u305d\u3046\u3067\u3059\u3002\u6bcd\u661f\u306e\u524d\u3092\u6a2a\u5207\u308b\u3068\u304d\u306b\u906e\u3089\u308c\u305f\u5149\u306e\u30b9\u30da\u30af\u30c8\u30eb\u3092\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u3067\u3053\u306e\u60d1\u661f\u306e\u5927\u6c17\u306e\u5149\u5438\u53ce\u30b9\u30da\u30af\u30c8\u30eb\u3092\u6e2c\u5b9a\u3057\u307e\u3057\u305f\u3002
\n\u3069\u306e\u304f\u3089\u3044\u72ed\u3044\u89d2\u5ea6\u306e\u5149\u3092\u6e2c\u5b9a\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u304b\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002
\n124\u5149\u5e74=1243×10^8 m <\/em>36524<\/em>6060=1.17×10^15 km
\n\u3053\u306e\u8ddd\u96e2\u306b\u3042\u308b34582km\u306e\u7269\u4f53\u306f\u89d2\u5ea6\u306b\u3057\u3066\u300034582\/1.17E15<\/em>180\/\u03c0=1.7\u00d710^-9 \u5ea6\u3000\u306e\u89d2\u5ea6\u306e\u5e45\u306b\u306a\u308a\u307e\u3059\u3002
\n\u4ed6\u306e\u89d2\u5ea6\u306e\u5149\u304c\u5165\u3063\u3066\u304f\u308b\u3068\u5438\u53ce\u304c\u6e2c\u5b9a\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u7d30\u3044\u7b52\uff08\u30b3\u30ea\u30e1\u30fc\u30bf\uff09\u3067\u3053\u306e\u89d2\u5ea6\u3067\u5149\u3092\u5206\u3051\u305f\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u6280\u8853\u7684\u306b\u7121\u7406\u3060\u3068\u601d\u3044\u307e\u3059\u3002
\n\u305d\u308c\u306f\u30011.7\u00d710^-9\u5ea6\u306e\u89d2\u5ea6\u3092\u5206\u96e2\u3059\u308b\u306b\u306f\u30010.1mm\u306e\u76f4\u5f84\u306e\u7b52\u3068\u3057\u3066\u9577\u3055\u304c \u03c0\/180\u00f71.7E-9*0.1E-3=\u7d041km\u3068\u306a\u308a\u3001\u305d\u306e\u3088\u3046\u306a\u7b52\u306f\u4f5c\u308c\u305f\u3068\u3057\u3066\u3082\u5b87\u5b99\u671b\u9060\u93e1\u306b\u7a4d\u3080\u306e\u306f\u4e0d\u53ef\u80fd\u3060\u304b\u3089\u3067\u3059\u3002\u305d\u3082\u305d\u3082\u5149\u304c\u3068\u304a\u308b\u307e\u3063\u3059\u3050\u306a\u7b52\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u306f\u601d\u3048\u307e\u305b\u3093\u3002
\n\u5e78\u3044\u5b87\u5b99\u306f\u661f\u304c\u7121\u3044\u3068\u3053\u308d\u306f\u6697\u3044\u306e\u3067\u3001\u5149\u6e90\u3067\u3042\u308b\u6bcd\u661f\u304c\u60d1\u661f\u3068\u540c\u3058\u304f\u3089\u3044\u5c0f\u3055\u3051\u308c\u3070\u3001\u30b3\u30ea\u30e1\u30fc\u30bf\u4e0d\u8981\u3067\u6e2c\u5b9a\u3067\u304d\u307e\u3059\u3002
\nK2-18b\u306e\u6bcd\u661f\u306f\u8d64\u8272\u77ee\u661f\u306a\u306e\u3067\u3053\u306e\u76ee\u7684\u306b\u3074\u3063\u305f\u308a\u3060\u3063\u305f\u3068\u3044\u3046\u308f\u3051\u3067\u3059\u3002\u305d\u308c\u3067\u3082\u7d71\u8a08\u51e6\u7406\u304c\u5fc5\u8981\u306a\u304f\u3089\u3044\u5f31\u3044\u4fe1\u53f7\u3067\u8b70\u8ad6\u3057\u3066\u3044\u307e\u3059\u3002
\n\u6e2c\u5b9a\u3057\u3066\u3044\u308b\u6ce2\u9577\u306f1\u03bcm~5\u03bcm\u306e\u8d64\u5916\u3067\u3059\u3002\u4ed6\u306b\u3082\u3042\u308a\u305d\u3046\u3067\u3059\u3002\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u660e\u65e5\u89e3\u8aac\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u82f1\u8a9e\u306f\u95a2\u9023\u7528\u8a9e\u304b\u3089\u3002
\ndiameter \u76f4\u5f84
\nradius \u534a\u5f84
\nlight year \u5149\u5e74
\nmass \u8cea\u91cf
\ngas planet \u30ac\u30b9\u60d1\u661f
\naspect ratio \u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3002\u4e0a\u8a18\u3067\u8003\u3048\u305f\u7b52\u306e\u76f4\u5f84\u3068\u9577\u3055\u306e\u6bd4\u306e\u3088\u3046\u306a\u3001\u7d30\u3044\u3082\u306e\u3092\u8003\u3048\u308b\u3068\u304d\u306e\u5024\u3067\u3059\u3002
\ntube \u7b52
\ncolumn \u5186\u67f1\u3001\u65b0\u805e\u306a\u3069\u306e\u30b3\u30e9\u30e0\u3001\u6570\u5b66\u306e\u884c\u5217\u306e\u300c\u5217\u300d\uff08\u300c\u884c\u300d\u306frow\uff09
\ncollimator\u3000\u300c\u30b3\u300d\u30ea\u30e1\u30fc\u30bf \u3000\u5149\u306a\u3069\u3092\u7d5e\u3063\u3066\u5e73\u884c\u306b\u3059\u308b\u88c5\u7f6e\u3000\u30b9\u30ea\u30c3\u30c8\u3067\u4e00\u6b21\u5143\u65b9\u5411\u306e\u5e83\u304c\u308a\u3092\u8a31\u3059\u3082\u306e\u3082\u30b3\u30ea\u30e1\u30fc\u30bf\u3068\u3044\u3046\u3002
\nstatistical treatment \u7d71\u8a08\u51e6\u7406
\nred dwarf \u8d64\u8272\u77ee\u661f<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6628\u65e5\u7d39\u4ecb\u3057\u305f\u60d1\u661fK2-18b\u306b\u3064\u3044\u3066\u306f\u3001\u65e5\u672c\u8a9e\u306ewikipedia\u306b\u6700\u65b0\u306e\u60c5\u5831\u304c\u8f09\u3063\u3066\u3044\u3066\u9a5a\u304d\u307e\u3057\u305f\u3002 https:\/\/ja.wikipedia.org\/wiki\/K2-18b \u305d\u308c\u306b\u3088\u308b\u3068\u3001\u76f4\u5f84\u306f\u5730\u7403\u306e2.72\u500d(34582km)\u3001\u8cea\u91cf\u306f8.63\u500d\u3067\u3059\u3002\u30ac\u30b9\u60d1\u661f\u3067\u3042\u308b\u53ef\u80fd\u6027\u3068\u3001\u5ca9\u77f3\u306e\u5927\u5730\u304c\u3042\u308b\u53ef\u80fd\u6027\u306e\u4e21\u65b9\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002 \u5730\u7403\u304b\u3089124\u5149\u5e74\u306e\u8ddd\u96e2\u306b\u3042\u308b\u305d\u3046\u3067\u3059\u3002\u6bcd\u661f\u306e\u524d\u3092\u6a2a\u5207\u308b\u3068\u304d\u306b\u906e\u3089\u308c\u305f\u5149\u306e\u30b9\u30da\u30af\u30c8\u30eb\u3092\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u3067\u3053\u306e\u60d1\u661f\u306e\u5927\u6c17\u306e\u5149\u5438\u53ce\u30b9\u30da\u30af\u30c8\u30eb\u3092\u6e2c\u5b9a\u3057\u307e\u3057\u305f\u3002 \u3069\u306e\u304f\u3089\u3044\u72ed\u3044\u89d2\u5ea6\u306e\u5149\u3092\u6e2c\u5b9a\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u304b\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002 124\u5149\u5e74=1243×10^8 m 365246…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[48,44],"tags":[11,7],"class_list":["post-2187","post","type-post","status-publish","format-standard","hentry","category-spaceandearth","category-materials","tag-spaceandearth","tag-materials"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts\/2187","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2187"}],"version-history":[{"count":0,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=\/wp\/v2\/posts\/2187\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2187"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2187"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sekaiken.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2187"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}