{"id":18307,"date":"2010-12-24T16:43:14","date_gmt":"2010-12-24T08:43:14","guid":{"rendered":"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=18307"},"modified":"2021-10-06T16:29:58","modified_gmt":"2021-10-06T08:29:58","slug":"3k%e5%ae%87%e5%ae%99%e5%be%ae%e6%b3%a2%e8%83%8c%e6%99%af%e8%bc%bb%e5%b0%84%ef%bc%883k-cosmic-microwave-background-radiation%ef%bc%89","status":"publish","type":"post","link":"http:\/\/localhost\/3k%e5%ae%87%e5%ae%99%e5%be%ae%e6%b3%a2%e8%83%8c%e6%99%af%e8%bc%bb%e5%b0%84%ef%bc%883k-cosmic-microwave-background-radiation%ef%bc%89\/","title":{"rendered":"3K\u5b87\u5b99\u5fae\u6ce2\u80cc\u666f\u8f3b\u5c04\uff083K Cosmic Microwave Background Radiation\uff09"},"content":{"rendered":"

3K\u5b87\u5b99\u5fae\u6ce2\u80cc\u666f\u8f3b\u5c04\uff083K Cosmic Microwave Background Radiation\uff09
\n<\/span>\u81fa\u5357\u5e02\u79c1\u7acb\u5149\u83ef\u5973\u5b50\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u694a\u76db\u667a\u8001\u5e2b\/\u570b\u7acb\u81fa\u7063\u5e2b\u7bc4\u5927\u5b78\u7269\u7406\u7cfb\u8521\u5fd7\u7533\u6559\u6388\u8cac\u4efb\u7de8\u8f2f
\n<\/span><\/strong>
\n\u5b87\u5b99\u5fae\u6ce2\u80cc\u666f\u8f3b\u5c04\uff08cosmic microwave background radiation\uff0c\u7c21\u7a31\u300c\u80cc\u666f\u8f3b\u5c04\u300d\uff0c\u53c8\u7a31\u300c$$3K$$ \u80cc\u666f\u8f3b\u5c04\u300d\uff09\uff0c\u56e0\u70ba\u5149\u8b5c\u7279\u5fb5\u7d04\u548c\u7d55\u5c0d\u6eab\u5ea6 $$3K$$ \u7684\u9ed1\u9ad4\u8f3b\u5c04\u76f8\u540c\u800c\u5f97\u540d\uff0c\u800c\u5448\u73fe\u7684\u983b\u7387\u5c6c\u65bc\u5fae\u6ce2\u7bc4\u570d\u3002<\/p>\n

<\/p>\n

1929 \u5e74\u7f8e\u570b\u5929\u6587\u5bb6\u54c8\u67cf\uff08Edwin Hubble\uff0c1889-1953\uff09\u5c0d\u661f\u7cfb\u4f5c\u5149\u8b5c\u5206\u6790\u6642\uff0c\u767c\u73fe\u9059\u9060\u7684\u661f\u7cfb\u5728\u5149\u8b5c\u4e0a\u5448\u73fe\u7d05\u4f4d\u79fb\uff0c\u56e0\u6b64\u63a8\u5f97\u5b87\u5b99\u6b63\u5728\u81a8\u8139\uff0c\u4e26\u88ab\u8a8d\u70ba\u662f\u652f\u6301\u5927\u9739\u9742\uff08The Big Bang\uff09\u7684\u4e00\u9805\u91cd\u8981\u8b49\u64da\u3002<\/p>\n

\u897f\u5143 1965 \u5e74\u8c9d\u723e\u96fb\u8a71\u516c\u53f8\u5be6\u9a57\u5ba4\u7684\u6f58\u742a\u4e9e\u65af\uff08Arno Penzias\uff09\u548c\u5a01\u723e\u905c\uff08Robert Woodrow Wilson\uff09\uff0c\u5728\u5927\u897f\u6d0b\u5169\u5cb8\u7814\u767c\u4e26\u67b6\u8a2d\u9ad8\u9748\u654f\u5ea6\u7684\u885b\u661f\u5929\u7dda\u7cfb\u7d71\u4ee5\u6539\u9032\u885b\u661f\u901a\u8a0a\u6280\u8853\u6642\uff0c\u7121\u610f\u9593\u767c\u73fe\u6d88\u9664\u4e0d\u6389\u7684\u566a\u97f3\u8a0a\u865f\uff0c\u5728\u5fb9\u5e95\u6aa2\u67e5\u5929\u7dda\u7cfb\u7d71\u5f8c\uff0c\u566a\u97f3\u8a0a\u865f\u4ecd\u7136\u5b58\u5728\uff0c\u4e14\u4e0d\u56e0\u5929\u5019\u5b63\u7bc0\u800c\u6539\u8b8a\u3002<\/p>\n

\u6839\u64da\u7dad\u56e0\u5b9a\u5f8b\uff08Wien law\uff09\uff0c\u5c07\u5169\u4eba\u6e2c\u5f97\u7684\u300c\u566a\u97f3\u8a0a\u865f\u300d\u4e4b\u6ce2\u9577\u4ee3\u5165\uff1a<\/p>\n

$$\\lambda_{max}\\cdot T=2.898\\times 10^{-3}~m\\cdot K$$<\/p>\n

$$\\lambda_{max}$$ \u70ba\u8f3b\u5c04\u80fd\u91cf\u6700\u591a\u6240\u5c0d\u61c9\u7684\u6ce2\u9577\uff08\u55ae\u4f4d\uff1a$$m$$\uff09
\n$$T$$ \u70ba\u8f3b\u5c04\u6e90\u7684\u7d55\u5c0d\u6eab\u5ea6\uff08\u55ae\u4f4d\uff1a$$K$$\uff09<\/p>\n

\u53ef\u63a8\u5f97\u6b64\u8a0a\u865f\u76f8\u7576\u65bc\u7d55\u5c0d\u6eab\u5ea6 $$3K$$ \u7684\u7269\u9ad4\u6240\u767c\u51fa\u7684\u71b1\u8f3b\u5c04\uff0c\u6545\u7a31\u9019\u4e9b\u8f3b\u5c04\u70ba $$3K$$ \u80cc\u666f\u8f3b\u5c04\u3002<\/p>\n

\u7531\u65bc 40 \u5e74\u4ee3\u539f\u5b50\u6838\u7269\u7406\u7684\u767c\u5c55\uff0c\u8b93\u79d1\u5b78\u5bb6\u77e5\u9053\u5982\u4f55\u8a08\u7b97\u5927\u9739\u9742\u767c\u751f\u5f8c\u7684\u51b7\u537b\u901f\u7387\uff0c\u52a0\u4e0a\u5f9e\u54c8\u67cf\u5b9a\u5f8b\uff08Hubble’s law\uff09\u53ef\u4ee5\u5f97\u77e5\u5b87\u5b99\u7684\u5e74\u9f61\u7d04\u70ba $$137$$ \u5104\u5e74\uff0c\u6240\u4ee5\u7576\u521d\u5b87\u5b99\u8a95\u751f\u6642\u7522\u751f\u7684\u9ad8\u6eab\uff0c\u73fe\u5728\u61c9\u8a72\u964d\u5230 $$3K$$ \u5de6\u53f3\uff0c\u800c\u4e14\u5145\u65a5\u65bc\u5b87\u5b99\u5404\u8655\uff0c\u6b63\u597d\u8207\u6f58\u742a\u4e9e\u65af\u548c\u5a01\u723e\u905c\u89c0\u6e2c\u5230\u7684\u300c\u96dc\u8a0a\u300d\u76f8\u7b26\u5408\uff0c$$3K$$ \u80cc\u666f\u8f3b\u5c04\u56e0\u800c\u6210\u70ba\u652f\u6301\u5927\u9739\u9742\u7406\u8ad6\u7684\u6700\u6709\u529b\u8b49\u64da\u3002\uff08\u76ee\u524d\u6700\u7cbe\u78ba\u5fae\u6ce2\u80cc\u666f\u8f3b\u5c04\u7684\u7b49\u6548\u6eab\u5ea6\u5927\u7d04\u662f $$2.725K$$\uff09<\/p>\n

\u53c3\u8003\u8cc7\u6599\uff1a<\/strong><\/p>\n

    \n
  1. Bradley W. Carroll and Dale A. Ostlie\uff081996\uff09\uff0c\u300cAN INTRODUCTION TO MODERN ASTROPHYSICS\u300d\uff0cAddison-Wesley Publishing Company<\/li>\n
  2. \u7dad\u57fa\u767e\u79d1–\u5b87\u5b99\u5fae\u6ce2\u80cc\u666f\u8f3b\u5c04\u00a0\u00a0http:\/\/zh.wikipedia.org\/zh-tw\/\u5b87\u5b99\u5fae\u6ce2\u80cc\u666f\u8f3b\u5c04<\/a><\/li>\n
  3. \u5433\u4fca\u8f1d\uff0c2004\u5e7403\u670813\u65e5\uff0c\u5b87\u5b99\u7684\u547d\u904b\u4ea4\u97ff\u66f2\uff0c\u79d1\u5b78\u4e0d\u7c21\u55ae\u8b1b\u5ea7\uff0c
    \n    http:\/\/sa.ylib.com\/noteasy\/notea … e=1&CourseNo=16<\/a><\/li>\n<\/ol>\n<\/div>","protected":false},"excerpt":{"rendered":"

    3K\u5b87\u5b99\u5fae\u6ce2\u80cc\u666f\u8f3b\u5c04\uff083K Cosmic Microwave Background Radiation\uff09 \u81fa\u5357…<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39,40,107],"tags":[1862,1851],"class_list":["post-18307","post","type-post","status-publish","format-standard","hentry","category-physics09","category-physics09-01","category-physics00","tag-3k","tag-1851","loop-entry","cat-39","cat-40","cat-107","no-thumbnail"],"views":11414,"_links":{"self":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/18307","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/comments?post=18307"}],"version-history":[{"count":1,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/18307\/revisions"}],"predecessor-version":[{"id":89121,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/18307\/revisions\/89121"}],"wp:attachment":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/media?parent=18307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/categories?post=18307"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/tags?post=18307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}