{"id":15434,"date":"2013-12-04T10:28:07","date_gmt":"2013-12-04T02:28:07","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=15434"},"modified":"2017-08-01T09:31:01","modified_gmt":"2017-08-01T01:31:01","slug":"%e3%80%90%e5%a4%a9%e6%96%87%e6%96%b0%e7%9f%a5%e3%80%91%e9%84%b0%e8%bf%91%e7%9a%84%e6%98%9f%e7%b3%bb%e7%a2%b0%e6%92%9e","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=15434","title":{"rendered":"\u3010\u5929\u6587\u65b0\u77e5\u3011\u9130\u8fd1\u7684\u661f\u7cfb\u78b0\u649e"},"content":{"rendered":"<p><strong><span style=\"color: #333399;\">\u25a0\u5169\u500b\u77ee\u661f\u7cfb\u53ef\u80fd\u65bc\u672c\u661f\u7cfb\u7fa4\u76f8\u649e\uff0c\u9020\u6210\u96e2\u6211\u5011\u6700\u8fd1\u7684\u300c\u661f\u66b4\u300d<\/span><\/strong><\/p>\n<p><strong>\u4f5c\u8005\uff5c<\/strong>\u514b\u2027\u6d1b\u65af\u5a01\uff08<a href=\"http:\/\/www.scientificamerican.com\/author.cfm?id=2900\">Ken Croswell<\/a>\uff09<\/p>\n<p><strong>\u7de8\u8b6f\uff5c<\/strong>\u9673\u66c9\u7469<\/p>\n<figure id=\"attachment_15437\" aria-describedby=\"caption-attachment-15437\" style=\"width: 255px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/12\/IC10-319.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-15437 \" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/12\/IC10-319.jpg\" alt=\"IC10-319\" width=\"255\" height=\"400\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/12\/IC10-319.jpg 319w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/12\/IC10-319-191x300.jpg 191w\" sizes=\"(max-width: 255px) 100vw, 255px\" \/><\/a><figcaption id=\"caption-attachment-15437\" class=\"wp-caption-text\">\u5176\u5be6\u662f\u85cd\u8272\uff1aIC 10\u5167\u5927\u591a\u662f\u85cd\u8d85\u5de8\u661f\uff0c\u4f46\u65bc\u9019\u5f35\u5168\u5f69\u5716\u4e2d\uff0c\u9280\u6cb3\u5875\u57c3\u7684\u7d05\u8272\u8b93\u5b83\u770b\u8d77\u4f86\u8fd1\u4e4e\u504f\u9ec3\u3002\u5716\u7247\u4f86\u6e90\uff1a\u83f2\u5229\u6d66\u2027\u6885\u5e0c\uff08Philip Massey\uff0c\u7f85\u5a01\u723e\u5929\u6587\u81fa\u3010Lowell Observatory\u3011\uff09\u53ca\u67ef\u8afe\u7279\u2027\u6b50\u723e\u68ee\uff08Knut Olsen\uff0c\u570b\u5bb6\u5149\u5b78\u5929\u6587\u53f0 \u3010NOAO\u3011\uff0fAURA\u8a08\u756b\uff0f\u570b\u5bb6\u79d1\u5b78\u57fa\u91d1\u6703\u3010NSF\u3011\uff09<\/figcaption><\/figure>\n<p>\u9280\u6cb3\u8207\u9130\u8fd1\u7684\u4ed9\u5973\u5ea7\uff08Andromeda\uff09\u7b49\u5de8\u661f\u7cfb\uff08Giant galaxy\uff09\u5f62\u6210\uff0c\u662f\u56e0\u70ba\u4e99\u53e4\u4ee5\u524d\u5c0f\u661f\u7cfb\u76f8\u649e\u3001\u6210\u9577\u800c\u4f86\u3002\u4f46\u89c0\u5bdf\u9019\u904e\u7a0b\u76f8\u7576\u56f0\u96e3\uff0c\u9808\u5728\u53ef\u89c0\u6e2c\u5b87\u5b99\uff08observable universe\uff09\u7684\u908a\u7de3\u5075\u6e2c\u77ee\u661f\u7cfb\uff08dwarf galaxy\uff09\u78b0\u649e\uff0c\u7136\u800c\u89c0\u6e2c\u5230\u7684\u4e5f\u662f\u8d85\u904e\u767e\u5104\u5e74\u524d\u7684\u661f\u7cfb\u4e86\u3002\u5982\u4eca\uff0c\u5929\u6587\u5b78\u5bb6\u5728\u96e2\u6211\u5011\u8f03\u8fd1\u7684\u5c0f\u661f\u7cfbIC 10\u767c\u73fe\u78b0\u649e\u8b49\u64da\u3002\u5728\u8ddd\u5730\u7403\u50c5\u5169\u767e\u516d\u5341\u842c\u5149\u5e74\u8655\uff0c\u53ef\u4ed4\u7d30\u89c0\u5bdf\u5230\u77ee\u661f\u7cfb\u7684\u78b0\u649e\u3002<\/p>\n<p>\u5bc6\u897f\u6839\u5927\u5b78\u5929\u6587\u5b78\u5bb6\u6234\u7dad\u2027\u5c3c\u5fb7\u5a01\u723e\uff08David Nidever\uff09\u7a31IC 10\u70ba\u5929\u6587\u754c\u6700\u6709\u610f\u601d\u7684\u661f\u7cfb\uff1a\u300c\u5b83\u662f\u672c\u661f\u7cfb\u7fa4\uff08Local Group\uff09\u552f\u4e00\u7684\u661f\u66b4\u661f\u7cfb\uff08starburst galaxy\uff09\u3002\u300d\u661f\u66b4\u6307\u7684\u662f\u661f\u7cfb\u4ee5\u9a5a\u4eba\u901f\u7387\u5f62\u6210\u661f\u7403\u3002<\/p>\n<p>IC 10\u4f4d\u65bc\u5317\u5929\u661f\u5ea7\u4e2dW\u5f62\u4ed9\u540e\u5ea7\uff08Cassiopeia\uff09\u7684\u9280\u6cb3\u5875\u57c3\u5f8c\u65b9\u3002\u5176\u5149\u5ea6\u4e0d\u5230\u9280\u6cb3\u4e00\u6210\uff0c\u4e14\u56e0\u9280\u6cb3\u7cfb\u7684\u906e\u853d\uff0c\u5929\u6587\u5b78\u5bb6\u82b1\u4e86\u5927\u534a\u4e16\u7d00\u90fd\u7121\u6cd5\u63a2\u7a76\u6b64\u661f\u7cfb\u3002<\/p>\n<p>\u5929\u6587\u5b78\u5bb6\u611b\u5fb7\u6eab\u2027\u54c8\u4f2f\uff08Edwin Hubble\uff09\u65bc1936\u5e74\u7684\u300a\u661f\u96f2\u4e4b\u57df\u300b\uff08<em>The Realm of the Nebulae<\/em>\uff09\u4e00\u66f8\u4e2d\u6307\u51fa\uff0cIC 10\u53ef\u80fd\u70ba\u672c\u661f\u7cfb\u7fa4\u4e00\u4efd\u5b50\uff0c\u5b83\u532f\u96c6\u9130\u8fd1\u661f\u7cfb\uff0c\u5305\u62ec\u4e03\u516b\u5341\u500b\u5df2\u77e5\u661f\u7cfb\uff0c\u4f46\u5929\u6587\u5b78\u5bb6\u6578\u5341\u5e74\u4f86\u90fd\u7121\u6cd5\u65b7\u5b9aIC 10\u7684\u8ddd\u96e2\uff0c\u6709\u7684\u9810\u6e2c\u503c\u751a\u81f3\u76f8\u5dee\u56db\u500d\u3002<\/p>\n<p>\u7d42\u65bc\u57281990\u5e74\u4ee3\uff0c\u5929\u6587\u5b78\u5bb6\u89c0\u6e2c\u5230\u9280\u6cb3\u9020\u7236\u8b8a\u661f\uff08Cepheid\uff09\uff0c\u5b83\u662f\u6e2c\u91cf\u661f\u7cfb\u8ddd\u96e2\u7684\u6700\u4f73\u6307\u6a19\uff0c\u9032\u800c\u8b49\u660e\u4e86\u54c8\u4f2f\u7684\u8aaa\u6cd5\u3002\u9020\u7236\u8b8a\u661f\u662f\u9ec3\u8d85\u5de8\u661f\uff08yellow supergiant star\uff09\uff0c\u5149\u5ea6\u6703\u56e0\u661f\u7403\u81a8\u8139\u6536\u7e2e\u5448\u9031\u671f\u6027\u7684\u660e\u6697\u3002\u9020\u7236\u8b8a\u661f\u8108\u52d5\u9031\u671f\u8d8a\u9577\uff0c\u5176\u9ad4\u7a4d\u8207\u5149\u5ea6\u5c31\u8d8a\u5927\u3002\u56e0\u6b64\uff0c\u6bd4\u5c0d\u6b64\u5149\u5ea6\u8207\u8a72\u661f\u7684\u8996\u4eae\u5ea6\uff0c\u5c31\u80fd\u5f97\u51fa\u9020\u7236\u8b8a\u661f\u8ddd\u96e2\u53ca\u6240\u5c6c\u661f\u7cfb\u7684\u8ddd\u96e2\u3002<\/p>\n<p>\u5176\u4ed6\u5929\u6587\u5b78\u5bb6\u9084\u767c\u73fe\uff0cIC 10\u4e2d\u58fd\u547d\u77ed\u66ab\u7684\u85cd\u8d85\u5de8\u661f\uff08blue supergiant star\uff09\u610f\u5916\u5730\u591a\uff0c\u4ee3\u8868\u8a72\u661f\u7cfb\u6b63\u8655\u65bc\u661f\u66b4\u904e\u7a0b\u4e2d\uff0c\u800c\u5176\u4e2d\u5c11\u6709\u7d05\u8d85\u5de8\u661f\uff08<em>red<\/em>\u00a0supergiant star\uff09\u3002\u7d05\u8d85\u5de8\u661f\u9700\u8981\u8f03\u591a\u6642\u9593\u5f62\u6210\uff0c\u9019\u4ee3\u8868\u661f\u66b4\u958b\u59cb\u8ddd\u4eca\u4e0d\u5230\u4e00\u5343\u842c\u5e74\u3002\u81f3\u65bc\u661f\u66b4\u7684\u8d77\u56e0\u5247\u6709\u4e9b\u795e\u7955\uff0c\u5c3c\u5fb7\u5a01\u723e\u8aaa\uff1a\u300c\u6211\u5011\u4e0d\u6e05\u695a\u70ba\u4f55\u7a81\u7136\u6709\u9019\u7a2e\u7206\u767c\u6027\u7684\u661f\u7403\u5f62\u6210\u3002\u300d<\/p>\n<p>\u73fe\u5728\u5c3c\u5fb7\u5a01\u723e\u6216\u8a31\u89e3\u958b\u4e86IC 10\u661f\u7403\u5f62\u6210\u7684\u79d8\u5bc6\uff0c\u4e5f\u5c31\u662f\u8207\u53e6\u4e00\u500b\u5c0f\u661f\u7cfb\u78b0\u649e\uff0c\u4ed6\u8868\u793a\uff1a\u300c\u9019\u5176\u5be6\u662f\u500b\u7121\u5fc3\u7684\u767c\u73fe\u3002\u300d\u7576\u6642\u4ed6\u7528\u897f\u7dad\u5409\u5c3c\u4e9e\u7684\u7da0\u5824\u671b\u9060\u93e1\uff08<a href=\"https:\/\/science.nrao.edu\/facilities\/gbt\" target=\"_blank\" rel=\"noopener noreferrer\">Green Bank Telescope<\/a>\uff09\u7814\u7a76\u5927\u3001\u5c0f\u9ea5\u54f2\u502b\u96f2\uff08Large and Small Magellanic Clouds\uff09\u91cb\u653e\u7684\u6c2b\u6c23\uff0c\u89c0\u6e2c\u5176\u7121\u7dda\u96fb\u6ce2\uff0c\u9019\u662f\u7e5e\u884c\u9280\u6cb3\u8005\u4e2d\u6700\u660e\u4eae\u7684\u5169\u500b\u661f\u7cfb\u3002IC 10\u525b\u597d\u4f4d\u65bc\u4ed6\u7684\u89c0\u6e2c\u7bc4\u570d\uff0c\u800c\u4ed6\u767c\u73fe\u81eaIC 10\u7dbf\u5ef6\u4e86\u4e00\u689d\u81f3\u5c11\u516d\u842c\u5149\u5e74\u7684\u6c2b\u6c23\u5f27\u5e36\uff0c\u5bec\u5ea6\u7d04\u592a\u967d\u7684\u4e00\u767e\u842c\u500d\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u5c3c\u5fb7\u5a01\u723e\u7684\u5718\u968a\u5c07\u65bc\u300a\u5929\u6587\u7269\u7406\u671f\u520a\u901a\u8a0a\u300b\uff08<em>The Astrophysical Journal Letters<\/em>\uff09\u65b0\u520a\u4e2d\u63d0\u5230\uff0c\u9019\u689d\u6c23\u9ad4\u5f27\u5e36\u53ef\u80fd\u5c31\u662f\u4f34\u661f\u7cfb\uff08companion galaxy\uff09\u649e\u9032\u9130\u5c45\u5bb6\u7684\u8b49\u64da\u3002\u661f\u7cfb\u6c23\u9ad4\u96f2\u5f7c\u6b64\u78b0\u649e\uff0c\u5c0e\u81f4\u6c23\u9ad4\u58d3\u7e2e\u4e26\u5feb\u901f\u5f62\u6210\u5927\u91cf\u661f\u7403\u3002\u7f85\u5a01\u723e\u5929\u6587\u81fa\u7684\u5929\u6587\u5b78\u5bb6\u83f2\u5229\u6d66\u2027\u6885\u5e0c\u8868\u793a\uff1a\u300c\u5927\u5bb6\u90fd\u5e0c\u671b\u9019\u500b\u7c21\u55ae\u660e\u77ad\u7684\u8aaa\u6cd5\u5c31\u662f\u89e3\u7b54\u300d\u3002\u4ed6\u7814\u7a76IC 10\u6578\u5341\u5e74\uff0c\u8a8d\u70ba\u9019\u9805\u65b0\u767c\u73fe\u300c\u76f8\u7576\u91cd\u8981\u300d\uff0c\u4e0d\u904e\u4ed6\u4e5f\u63d0\u51fa\u7591\u554f\uff1a\u300c\u82e5\u66fe\u767c\u751f\u649e\u64ca\uff0c\u90a3\u9019\u500b\u4f34\u661f\u7cfb\u5728\u54ea\u88e1\u5462\uff1f\u300d<\/p>\n<p>\u70ba\u627e\u51faIC 10\u7684\u4f34\u661f\u7cfb\uff0c\u5c3c\u5fb7\u5a01\u723e\u8207\u540c\u4e8b\u904b\u7528\u5149\u5b78\u671b\u9060\u93e1\u5728\u65b0\u767c\u73fe\u7684\u6c23\u9ad4\u5f27\u5e36\u641c\u7d22\u661f\u7403\u3002\u4ed6\u731c\u6e2cIC 10\u8207\u5176\u4f34\u661f\u7cfb\u662f\u5927\u3001\u5c0f\u9ea5\u54f2\u502b\u96f2\u7684\u7e2e\u5f71\uff0c\u5f8c\u8005\u4e5f\u7522\u751f\u76f8\u7576\u591a\u7684\u661f\u7403\u3002\u5927\u3001\u5c0f\u9ea5\u54f2\u502b\u96f2\u7e5e\u884c\u9280\u6cb3\u4e14\u5f88\u53ef\u80fd\u7e5e\u884c\u5f7c\u6b64\uff1bIC 10\u5247\u7e5e\u884c\u4ed9\u5973\u5ea7\u661f\u7cfb\uff0c\u4f46\u96e2\u4ed9\u5973\u5ea7\u8f03\u9ea5\u54f2\u502b\u96f2\u8ddd\u9280\u6cb3\u591a\u51fa\u56db\u500d\u3002<\/p>\n<p>\u4ed9\u5973\u5ea7\u8207\u9280\u6cb3\u6703\u5438\u8d70\u885b\u661f\u661f\u7cfb\u7684\u6c23\u9ad4\uff0c\u4e5f\u5c31\u662f\u5f62\u6210\u661f\u7403\u7684\u539f\u6599\u3002\u4e0d\u904e\u6216\u8a31\u56e0\u70ba\u9ea5\u54f2\u502b\u96f2\u624d\u6b63\u9996\u5ea6\u7e5e\u904e\u6211\u5011\uff0c\u6240\u4ee5\u81f3\u4eca\u4ecd\u4fdd\u6709\u6c23\u9ad4\uff0c\u8b93\u5929\u6587\u5b78\u5bb6\u6709\u6a5f\u6703\u7814\u7a76\u96e2\u6211\u5011\u6700\u8fd1\u7684\u661f\u66b4\uff0c\u898b\u8b49\u5982\u6211\u5011\u5bb6\u9109\u9280\u6cb3\u7cfb\u7b49\u5de8\u5927\u661f\u7cfb\u5982\u4f55\u5f62\u6210\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>--<\/p>\n<pre><span style=\"color: #333333;\"> \u7814\u7a76\u51fa\u8655\uff1a<strong><a href=\"http:\/\/www.scientificamerican.com\/article.cfm?id=the-galaxy-collision-next-door\">The Galaxy Collision Next Door<\/a><\/strong><\/span><\/pre>\n<p><span style=\"color: #333399;\"><strong><strong>\u8cac\u4efb\u7de8\u8f2f\uff1aKerina Huang<\/strong><\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25a0\u5169\u500b\u77ee\u661f\u7cfb\u53ef\u80fd\u65bc\u672c\u661f\u7cfb\u7fa4\u76f8\u649e\uff0c\u9020\u6210\u96e2\u6211<\/p>\n","protected":false},"author":20,"featured_media":15437,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1022,3293],"tags":[952,953,948,806,950,949,951],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/12\/IC10-319.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/15434"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15434"}],"version-history":[{"count":6,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/15434\/revisions"}],"predecessor-version":[{"id":29100,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/15434\/revisions\/29100"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/15437"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}