{"id":37543,"date":"2021-11-16T09:34:31","date_gmt":"2021-11-16T01:34:31","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=37543"},"modified":"2021-12-03T08:28:30","modified_gmt":"2021-12-03T00:28:30","slug":"%e9%80%99%e8%a3%a1%e6%9c%89%e8%a1%8c%e6%98%9f%e6%ad%a3%e5%9c%a8%e5%bd%a2%e6%88%90%ef%bc%81%e6%88%96%e8%a8%b1%ef%bc%8c%e9%82%84%e6%9c%89%e5%ae%83%e7%9a%84%e6%9c%88%e4%ba%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=37543","title":{"rendered":"\u9019\u88e1\u6709\u884c\u661f\u6b63\u5728\u5f62\u6210\uff01\u6216\u8a31\uff0c\u9084\u6709\u5b83\u7684\u6708\u4eae\uff1f"},"content":{"rendered":"<figure id=\"attachment_37544\" aria-describedby=\"caption-attachment-37544\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-37544\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13.jpg\" alt=\"\" width=\"700\" height=\"394\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13.jpg 2048w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13-300x169.jpg 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13-768x432.jpg 768w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13-1024x576.jpg 1024w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-37544\" class=\"wp-caption-text\">\u5716\u7247\u51fa\u8655\uff1aW. M. Keck Observatory\/Adam Makarenko [5]<\/figcaption><\/figure>\n<p><span style=\"color: #333399;\"><strong>\u4eba\u985e\u96d6\u7136\u6c92\u6a5f\u6703\u770b\u5230\u592a\u967d\u3001\u5730\u7403\u3001\u6708\u7403\u662f\u600e\u9ebc\u751f\u6210\u7684\uff0c\u4f46\u80fd\u85c9\u7531\u89c0\u6e2c\u5225\u7684\u5929\u9ad4\u4f86\u7406\u89e3\u6574\u500b\u904e\u7a0b\u3002\u8fd1\u5e7e\u5e74\u4eba\u985e\u7d42\u65bc\u770b\u5230\u4e86\u5f62\u6210\u4e2d\u7684\u884c\u661f\uff0c\u751a\u81f3\u9084\u770b\u5230\u4e00\u4e9b\u8de1\u8c61\uff0c\u8b93\u5929\u6587\u5b78\u5bb6\u731c\u6e2c\u53ef\u80fd\u662f\u6b63\u5728\u5f62\u6210\u7684\u885b\u661f\uff0c\u6216\u8a31\u4eba\u985e\u898b\u8b49\u8457\u5225\u4eba\u5bb6\u7684\u6708\u4eae\u6b63\u5728\u5f62\u6210\uff01<\/strong><\/span><\/p>\n<p><strong>\u64b0\u6587\uff5c\u8a31\u4e16\u7a4e<\/strong><\/p>\n<p><span style=\"color: #008080;\"><strong>\u25cf\u6046\u661f\u8207\u884c\u661f\u7684\u5f62\u6210<\/strong><\/span><\/p>\n<p>\u592a\u967d\u8eab\u70ba\u4e00\u9846\u6046\u661f\u4e26\u4e0d\u5b64\u55ae\uff0c\u591c\u7a7a\u4e2d\u5927\u591a\u6578\u7684\u661f\u661f\u90fd\u662f\u6046\u661f\uff0c\u5728\u592a\u967d\u7cfb\u4ee5\u5916\u7684\u5730\u65b9\u767c\u5149\u767c\u4eae\u3002\u5730\u7403\u8eab\u70ba\u4e00\u9846\u884c\u661f\u4e5f\u4e0d\u5b64\u55ae\uff0c\u4e0d\u53ea\u592a\u967d\u7cfb\u5167\u6709\u81f3\u5c11\u53e6\u5916\u4e03\u4f4d\u5144\u5f1f\u59d0\u59b9\uff0c\u592a\u967d\u7cfb\u5916\u7684\u6046\u661f\u4e5f\u6709\u300c\u7cfb\u5916\u884c\u661f\u300d\u570d\u7e5e\u3002\u800c\u8eab\u70ba\u885b\u661f\u7684\u6708\u7403\u81ea\u7136\u5c31\u66f4\u4e0d\u5b64\u55ae\u4e86\uff0c\u4e0d\u4f46\u6709\u592a\u967d\u7cfb\u5916\u7684\u300c\u7cfb\u5916\u885b\u661f\u300d\uff0c\u9023\u4eba\u985e\u90fd\u767c\u5c04\u4e86\u597d\u591a\u4eba\u9020\u885b\u661f\u966a\u4f34\u5b83\u7e5e\u884c\u5730\u7403\u3002<\/p>\n<p>\u884c\u661f\u7e5e\u8457\u6046\u661f\u8f49\uff0c\u885b\u661f\u53c8\u7e5e\u8457\u884c\u661f\u8f49\uff0c\u5230\u5e95\u9019\u6a23\u7684\u7cfb\u7d71\u662f\u5982\u4f55\u751f\u6210\u7684\u5462\uff1f\u7531\u65bc\u6211\u5011\u5c0d\u6046\u661f\u3001\u884c\u661f\u3001\u885b\u661f\u7684\u5f62\u6210\u6a5f\u5236\u90fd\u9084\u6c92\u6709\u975e\u5e38\u78ba\u5207\u7684\u7d50\u8ad6\uff0c\u9019\u88e1\u53ea\u4ecb\u7d39\u5176\u4e2d\u4e00\u4e9b\u63a5\u53d7\u5ea6\u8f03\u9ad8\u7684\u8ad6\u9ede\u3002<\/p>\n<p>\u6211\u5011\u5f97\u5148\u5f9e\u5c64\u7d1a\u6700\u9ad8\u7684\u6046\u661f\u5f62\u6210\u6a5f\u5236\u958b\u59cb\u8aaa\u8d77\u3002\u5b87\u5b99\u4e2d\u7030\u6f2b\u8457\u8a31\u591a\u7684\u300c\u5de8\u5927\u5206\u5b50\u96f2\uff08Giant Molecular Cloud\uff09\u300d\uff0c\u5728\u96f2\u6c23\u6bd4\u8f03\u5bc6\u96c6\u7684\u5730\u65b9\u6703\u56e0\u70ba\u91cd\u529b\u800c\u5438\u5f15\u9031\u906d\u7684\u5176\u4ed6\u7269\u8cea\u9760\u8fd1\u3002\u805a\u96c6\u7684\u904e\u7a0b\u4e2d\u6eab\u5ea6\u9084\u6703\u6108\u4f86\u6108\u9ad8\u3002\u6f38\u6f38\u5730\u4e2d\u5fc3\u6703\u51fa\u73fe\u4e00\u500b\u9ad8\u5bc6\u5ea6\u3001\u9ad8\u6eab\u5ea6\u7684\u6838\u5fc3\uff0c\u9019\u500b\u6838\u5fc3\u7a31\u70ba\u300c\u539f\u6046\u661f\uff08protostar\uff09\u300d\u3002\u7531\u65bc\u539f\u6046\u661f\u5167\u90e8\u6eab\u5ea6\u9084\u6c92\u6709\u9ad8\u5230\u53ef\u4ee5\u9ede\u71c3\u300c\u6838\u878d\u5408\u300d\u53cd\u61c9\uff0c\u6240\u4ee5\u9084\u4e0d\u7b97\u662f\u500b\u771f\u6b63\u7684\u6046\u661f\u3002\u300c\u539f\u6046\u661f\u300d\u63a5\u4e0b\u4f86\u6703\u6301\u7e8c\u5438\u5165\u9031\u906d\u7684\u7269\u8cea\u3001\u8b8a\u5f97\u66f4\u5bc6\u96c6\u3001\u6eab\u5ea6\u8b8a\u5f97\u66f4\u9ad8\u3002\u6700\u5f8c\u7d42\u65bc\u5230\u9054\u6838\u878d\u5408\u53ef\u4ee5\u958b\u59cb\u7684\u6eab\u5ea6\uff0c\u6210\u70ba\u771f\u6b63\u7684\u6046\u661f\u3002<\/p>\n<p>\u300c\u539f\u6046\u661f\u300d\u8ddf\u5f8c\u4f86\u7684\u300c\u6046\u661f\u300d\u5728\u6f14\u5316\u904e\u7a0b\u4e2d\u90fd\u5206\u70ba\u5e7e\u500b\u4e0d\u540c\u7684\u968e\u6bb5\u3002\u539f\u6046\u661f\u6700\u5f8c\u4e00\u500b\u968e\u6bb5\u53eb\u505a\u300c\u91d1\u725b\uff34\u661f\uff08 T Tauri star\uff09\u300d\uff0c\u800c\u8b8a\u6210\u6046\u661f\u5f8c\u7684\u7b2c\u4e00\u500b\u968e\u6bb5\u5247\u7a31\u70ba\u300c\u8d6b\u6bd4\u683cAe\/Be\u661f\uff08Herbig Ae\/Be star\uff09\u300d\u3002\u6709\u4e9b\u91d1\u725b\uff34\u661f\u548c\u8d6b\u6bd4\u683cAe\/Be\u661f\u5468\u570d\u6703\u6709\u76e4\u9762\u5206\u4f48\u7684\u7269\u8cea\u7e5e\u8f49\uff0c\u7a31\u70ba\u300c\u539f\u884c\u661f\u76e4\uff08protoplantary disk\uff09\u300d\uff0c\u5c31\u662f\u5b55\u80b2\u884c\u661f\u7684\u5730\u65b9\u3002<\/p>\n<p>\u539f\u884c\u661f\u76e4\u4e0a\u5927\u591a\u6578\u7684\u7269\u8cea\u9084\u662f\u6703\u88ab\u6838\u5fc3\u5438\u9032\u53bb\uff0c\u8b8a\u6210\u6046\u661f\u7684\u4e00\u90e8\u5206\u3002\u4f46\u6709\u5c11\u90e8\u5206\u7684\u5875\u57c3\u7c92\u5b50\u6703\u4e92\u76f8\u78b0\u649e\u9ecf\u5408\u6210\u5c0f\u788e\u7247\uff0c\u5c0f\u788e\u7247\u6703\u518d\u7e7c\u7e8c\u78b0\u649e\u9ecf\u5408\u5f62\u6210\u5927\u788e\u7247\u3002\u63a5\u8457\u5c31\u50cf\u6efe\u96ea\u7403\u4e00\u6a23\u6108\u6efe\u6108\u5927\uff0c\u7576\u788e\u7247\u5927\u5230\u4e00\u5b9a\u7a0b\u5ea6\u4ee5\u5f8c\uff0c\u5c31\u88ab\u7a31\u70ba\u300c\u539f\u884c\u661f\uff08protoplanet\uff09\u300d\u3002\u7d93\u7531\u66f4\u8fd1\u4e00\u6b65\u7684\u6a5f\u5236\u767c\u5c55\u4ee5\u5f8c\uff0c\u539f\u884c\u661f\u5c31\u6709\u6a5f\u6703\u6210\u70ba\u771f\u6b63\u7684\u884c\u661f\uff0c\u4e00\u908a\u7e5e\u8f49\u8ecc\u9053\uff0c\u4e00\u908a\u9760\u91cd\u529b\u4e3b\u52d5\u5438\u5f15\u8ecc\u9053\u4e0a\u7684\u5c0f\u788e\u5c51\uff08\u57161\uff09\u3002[1]<\/p>\n<figure id=\"attachment_37545\" aria-describedby=\"caption-attachment-37545\" style=\"width: 396px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-37545\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff11.jpg\" alt=\"\" width=\"396\" height=\"396\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff11.jpg 396w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff11-150x150.jpg 150w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff11-300x300.jpg 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff11-250x250.jpg 250w\" sizes=\"(max-width: 396px) 100vw, 396px\" \/><figcaption id=\"caption-attachment-37545\" class=\"wp-caption-text\">\u57161\uff1a\u6046\u661f\u5f62\u6210\u7684\u6a21\u578b\u3002\u7269\u8cea\u7531\u4e00\u5927\u5718\u96f2\u6c23\u805a\u96c6\uff0c\u6f38\u6f38\u5730\u5f62\u6210\u6838\u5fc3\u5bc6\u96c6\u8207\u5468\u908a\u7684\u76e4\u9762\u7d50\u69cb\u3002\u5468\u908a\u7684\u76e4\u9762\u5c31\u662f\u672a\u4f86\u5b55\u80b2\u884c\u661f\u7684\u5730\u65b9\u3002\u5716\u7247\u4f86\u6e90\uff1aBill Saxton, NRAO\/AUI\/NSF [2]<\/figcaption><\/figure>\n<p>\u8981\u600e\u9ebc\u5f9e\u89c0\u6e2c\u5230\u7684\u539f\u884c\u661f\u76e4\u5716\u50cf\u4e2d\u627e\u5230\u6b63\u5728\u5f62\u6210\u7684\u884c\u661f\u5462\uff1f\u7531\u65bc\u89e3\u6790\u5ea6\u7684\u95dc\u4fc2\uff0c\u6211\u5011\u4e0d\u4e00\u5b9a\u80fd\u5f9e\u76f8\u7247\u300c\u76f4\u63a5\u770b\u5230\u300d\u4e00\u9846\u884c\u661f\u5728\u6210\u5f62\u3002\u4e0d\u904e\u51e1\u8d70\u904e\u5fc5\u7559\u4e0b\u75d5\u8de1\u3002\u7531\u65bc\u884c\u661f\u8981\u5f62\u6210\u5f97\u300c\u8490\u96c6\u300d\u8ecc\u9053\u4e0a\u7684\u5176\u4ed6\u5c0f\u788e\u5c51\uff0c\u5c0e\u81f4\u884c\u661f\u6240\u5728\u8ecc\u9053\u4e0a\u7684\u788e\u5c51\u6703\u300c\u6d88\u5931\u300d\u3002\u5c31\u597d\u50cf\u5728\u4e00\u500b\u4f48\u6eff\u7070\u5875\u7684\u5730\u677f\u4e0a\u7528\u624b\u6307\u756b\u4e00\u500b\u5713\uff0c\u7136\u5f8c\u518d\u628a\u624b\u4e0a\u6cbe\u5230\u7684\u7070\u5875\u634f\u6210\u4e00\u500b\u5c0f\u7403\u4e00\u6a23\u3002\u6240\u4ee5\u7576\u6211\u5011\u5f9e\u539f\u884c\u661f\u76e4\u7684\u5f71\u50cf\u4e2d\u770b\u5230\u4e00\u5708\u7f3a\u4e4f\u7269\u8cea\u5206\u4f48\u7684\u9593\u9699\uff0c\u5c31\u4ee3\u8868\u5728\u90a3\u500b\u8ecc\u9053\u4e0a\uff0c\u53ef\u80fd\u6709\u6b63\u5728\u9010\u6f38\u6210\u5f62\u7684\u539f\u884c\u661f\u7e5e\u8f49\u3002<\/p>\n<p>\u300c\u9577\u86c7\u5ea7TW\uff08TW Hydrae\uff09\u300d\u662f\u96e2\u592a\u967d\u7cfb\u6700\u8fd1\u7684\u91d1\u725b\uff34\u661f\u3002\u66f4\u5e78\u904b\u7684\u4e8b\u60c5\u662f\uff0c\u5b83\u7684\u884c\u661f\u76e4\u9762\u5e7e\u4e4e\u6b63\u9762\u5c0d\u8457\u6211\u5011\uff0c\u6240\u4ee5\u6211\u5011\u53ef\u4ee5\u975e\u5e38\u6e05\u695a\u5730\u62cd\u651d\u5b83\u76e4\u9762\u4e0a\u7684\u69cb\u9020\uff08\u57162\uff09\u3002\u5f9e\u7167\u7247\u4e2d\u53ef\u4ee5\u6e05\u695a\u770b\u5230\u74b0\u72c0\u5206\u4f48\u7684\u9593\u9699\uff0c\u9019\u4e9b\u9593\u9699\u5c31\u6709\u53ef\u80fd\u662f\u884c\u661f\u6b63\u6e96\u5099\u8981\u5f62\u6210\u7684\u5730\u65b9\u3002<\/p>\n<figure id=\"attachment_37546\" aria-describedby=\"caption-attachment-37546\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-37546\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff12.jpg\" alt=\"\" width=\"500\" height=\"500\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff12.jpg 1280w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff12-150x150.jpg 150w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff12-300x300.jpg 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff12-768x768.jpg 768w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff12-1024x1024.jpg 1024w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff12-250x250.jpg 250w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-37546\" class=\"wp-caption-text\">\u57162\uff1a\u9577\u86c7\u5ea7TW\uff08TW Hydrae\uff09\u7684\u539f\u884c\u661f\u76e4\u3002\u4e0a\u9762\u4e00\u5708\u4e00\u5708\u7684\u9593\u9699\u5c31\u53ef\u80fd\u662f\u672a\u4f86\u884c\u661f\u6703\u5f62\u6210\u7684\u5730\u65b9\u3002\u5716\u7247\u4f86\u6e90\uff1aS. Andrews (Harvard-Smithsonian CfA); B. Saxton (NRAO\/AUI\/NSF); ALMA (ESO\/NAOJ\/NRAO) [3]<\/figcaption><\/figure>\n<p>\u90a3\u5230\u5e95\u6709\u6c92\u6709\u5be6\u8cea\u7684\u8b49\u64da\u8b49\u660e\u9019\u4e9b\u5730\u65b9\u771f\u7684\u6709\u884c\u661f\u5728\u5f62\u6210\u5462\uff1f\u96d6\u7136\u5f88\u96e3\uff0c\u4f46\u9084\u662f\u505a\u5230\u4e86\uff012018\u5e74\u7684\u89c0\u6e2c\u4e2d\uff0c\u7d42\u65bc\u5728\u53e6\u5916\u4e00\u500b\u91d1\u725bT\u661f\u300cPDS 70\u300d\u4e2d\u62cd\u651d\u5230\u4e86\u6b63\u5728\u5f62\u6210\u4e2d\u7684\u539f\u884c\u661f--\u300cPDS 70 b\u300d\u3002<\/p>\n<p><span style=\"color: #008080;\"><strong>\u25cfPDS 70 b<\/strong><strong>\uff1a\u9996\u6b21\u300c\u770b\u300d\u898b\u6b63\u5728\u6210\u5f62\u7684\u539f\u884c\u661f<\/strong><\/span><\/p>\n<p>\u300cPDS 70\u300d\u53c8\u53eb\u505a\u300c\u534a\u4eba\u99ac\u5ea7V1032\uff08V1032 Centauri\uff09\u300d\uff0c\u4e5f\u662f\u4e00\u500b\u6709\u539f\u884c\u661f\u76e4\u7684\u91d1\u725b\uff34\u661f\u3002\u96d6\u7136\u540d\u5b57\u88e1\u9762\u6709\u500b\u300c\u534a\u4eba\u99ac\u5ea7\u300d\uff0c\u4f46\u5176\u5be6\u53ea\u662f\u5f9e\u5730\u7403\u4e0a\u770b\u904e\u53bb\u525b\u597d\u6295\u5c04\u5728\u540c\u4e00\u5340\u57df\u800c\u5df2\uff0c\u8207\u534a\u4eba\u99ac\u5ea7\u4e00\u9ede\u95dc\u4fc2\u90fd\u6c92\u6709\u30022012\u5e74\u7684\u89c0\u6e2c\u4e2d\uff0c\u767c\u73fe\u5b83\u7684\u539f\u884c\u661f\u76e4\u4e5f\u6709\u74b0\u72c0\u9593\u9699\uff0c\u5929\u6587\u5b78\u5bb6\u76f8\u4fe1\u5728\u90a3\u88e1\u6709\u884c\u661f\u5f62\u6210\u4e26\u6301\u7e8c\u89c0\u6e2c\u3002<\/p>\n<p>\u7d93\u904e\u6578\u5e74\u7684\u52aa\u529b\uff0c\u57282018\u5e74\u5f9e\u4e2d\u592e\u91d1\u725b\uff34\u661f\u5468\u570d\u7684\u9593\u9699\u4e2d\uff0c\u771f\u7684\u6709\u770b\u5230\u4e00\u5718\u7269\u8cea\u805a\u5728\u4e00\u8d77\u3002\u7d93\u904e\u9032\u4e00\u6b65\u5206\u6790\u4ee5\u5f8c\uff0c\u90a3\u4e00\u5718\u7269\u8cea\u88ab\u8a8d\u5b9a\u662f\u4e00\u500b\u6b63\u5728\u5f62\u6210\u7684\u539f\u884c\u661f\uff0c\u88ab\u547d\u540d\u70ba\u300cPDS 70 b\u300d\u3002\u9019\u662f\u4eba\u985e\u7b2c\u4e00\u6b21\u76f4\u63a5\u770b\u5230\u4e00\u9846\u6b63\u5728\u5f62\u6210\u4e2d\u7684\u884c\u661f\uff0c\u5beb\u4e0b\u4eba\u985e\u5c0d\u7cfb\u5916\u884c\u661f\u7684\u89c0\u6e2c\u65b0\u7684\u4e00\u9801\u3002\u5230\u4e862019\u5e74\u7528\u4e86\u5176\u4ed6\u7684\u89c0\u6e2c\u65b9\u6cd5\uff0c\u5728\u9019\u500b\u539f\u884c\u661f\u76e4\u7684\u9593\u9699\u88e1\u53c8\u627e\u5230\u4e86\u53e6\u5916\u4e00\u9846\u6b63\u5728\u5f62\u6210\u7684\u539f\u884c\u661f\uff0c\u547d\u540d\u70ba\u300cPDS 70 c\u300d\u3002\u6839\u64da\u7814\u7a76\u4f30\u8a08\uff0c\u300cPDS 70 b\u300d\u53ca\u300cPDS 70 c\u300d\u7684\u8cea\u91cf\u90fd\u5927\u6982\u662f\u6211\u5011\u592a\u967d\u7cfb\u6728\u661f\u7684\u6578\u500d\uff0c\u524d\u8005\u7684\u5e73\u5747\u8ecc\u9053\u534a\u5f91\u7d04\u4e8c\u5341\u500b\u5929\u6587\u55ae\u4f4d\uff0c\u548c\u5929\u738b\u661f\u7684\u8ecc\u9053\u534a\u5f91\u5dee\u4e0d\u591a\u3002\u5f8c\u8005\u7684\u5e73\u5747\u8ecc\u9053\u534a\u5f91\u5247\u7d04\u4e09\u5341\u500b\u5929\u6587\u55ae\u4f4d\uff0c\u548c\u6d77\u738b\u661f\u7684\u8ecc\u9053\u534a\u5f91\u5dee\u4e0d\u591a\uff08\u898b\u57163\uff09[4]\u3002<\/p>\n<figure id=\"attachment_37544\" aria-describedby=\"caption-attachment-37544\" style=\"width: 700px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-37544\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13.jpg\" alt=\"\" width=\"700\" height=\"394\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13.jpg 2048w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13-300x169.jpg 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13-768x432.jpg 768w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13-1024x576.jpg 1024w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption id=\"caption-attachment-37544\" class=\"wp-caption-text\">\u57163\uff1aPDS 70 \u8207\u5b83\u7684\u5169\u500b\u885b\u661f\u60f3\u50cf\u5716\u3002\u4e2d\u592e\u7684\u539f\u6046\u661f\u5468\u570d\u6709\u539f\u884c\u661f\u76e4\u3002\u539f\u884c\u661f\u76e4\u4e0a\u7684\u5169\u500b\u539f\u6b63\u5728\u5f62\u6210\u7684\u539f\u884c\u661f\u805a\u96c6\u4e86\u8ecc\u9053\u4e0a\u7684\u7269\u8cea\u3002\u5716\u7247\u51fa\u8655\uff1aW. M. Keck Observatory\/Adam Makarenko [5]<\/figcaption><\/figure>\n<p><span style=\"color: #008080;\"><strong>\u25cfPDS 70 c\uff1a\u9996\u6b21\u898b\u8b49\u300c\u5225\u4eba\u7684\u6708\u4eae\u300d\u5f62\u6210<\/strong><\/span><\/p>\n<p>\u57164\u662f\u5c0dPDS 70\u539f\u6046\u661f\u7cfb\u7d71\u7684\u89c0\u6e2c\u7d50\u679c\u3002\u5716\u4e2d\u53ef\u4ee5\u770b\u5230\u539f\u884c\u661f\u300cPDS 70 c\u300d\u5468\u570d\u9084\u7e8f\u7e5e\u4e00\u5c64\u7269\u8cea\uff0c\u5c0d\u65bc\u4e00\u822c\u5927\u773e\u4f86\u8aaa\u6216\u8a31\u6c92\u6709\u4ec0\u9ebc\u7279\u5225\uff0c\u4f46\u5c0d\u65bc\u5929\u6587\u5b78\u5bb6\u4f86\u9019\u53ef\u662f\u81f3\u5bf6\u3002\u60f3\u60f3\u770b\uff1a\u300c\u570d\u7e5e\u5728\u6046\u661f\u5468\u570d\u300d\u7684\u6703\u8b8a\u6210\u300c\u884c\u661f\u300d\uff0c\u90a3\u300c\u570d\u7e5e\u5728\u884c\u661f\u5468\u570d\u300d\u7684\uff0c\u6703\u8b8a\u6210\u4ec0\u9ebc\u5462\uff1f<\/p>\n<p>\u7576\u7136\u5c31\u662f\u885b\u661f\u5566\uff01\u9019\u4e00\u5c64\u5728\u300cPDS 70 c\u300d\u9031\u906d\u5c0f\u5c0f\u7684\u76e4\u9762\uff0c\u6b63\u662f\u5f62\u6210\u5b83\u81ea\u5df1\u7684\u885b\u661f\uff01\u5982\u540c\u300c\u7cfb\u5916\u884c\u661f\u300d\u6307\u7a31\u592a\u967d\u7cfb\u4ee5\u5916\u7684\u884c\u661f\u4e00\u6a23\uff0c\u6211\u5011\u7528\u628a\u592a\u967d\u7cfb\u4ee5\u5916\u7684\u885b\u661f\u7a31\u505a\u300c\u7cfb\u5916\u885b\u661f\u300d\uff0c\u800c\u82f1\u6587\u5247\u7a31\u70ba\u300cExomoon\u300d\uff0c\u76f4\u8b6f\u7684\u8a71\u5c31\u662f\u300c\u7cfb\u5916\u6708\u7403\u300d\u3002\u63db\u53e5\u8a71\u8aaa\uff0c\u4eba\u985e\u53ef\u80fd\u6b63\u5728\u898b\u8b49\u5225\u4eba\u5bb6\u6708\u7403\u7684\u5f62\u6210\uff01<\/p>\n<p>\u4eba\u985e\u96d6\u7136\u6c92\u6a5f\u6703\u770b\u5230\u592a\u967d\u3001\u5730\u7403\u3001\u6708\u7403\u7684\u751f\u6210\uff0c\u4f46\u53ef\u4ee5\u85c9\u7531\u5c0d\u5176\u4ed6\u5929\u9ad4\u7684\u89c0\u6e2c\u66b8\u89e3\u9019\u4e9b\u7cfb\u7d71\u7684\u5f62\u6210\u6a5f\u5236\uff0c\u4e86\u89e3\u6211\u5011\u592a\u967d\u7cfb\u662f\u5982\u4f55\u751f\u6210\u3002\u66f4\u9032\u4e00\u6b65\u4f86\u8aaa\uff0c\u751a\u81f3\u6709\u53ef\u80fd\u4e86\u89e3\u5730\u7403\u4e0a\u7684\u751f\u547d\u662f\u5982\u4f55\u8a95\u751f\u3002\u884c\u661f\u5f62\u6210\u904e\u7a0b\u4e2d\u6703\u4e0d\u6703\u7559\u4e0b\u6709\u6a5f\u5206\u5b50\uff0c\u6210\u70ba\u672a\u4f86\u884c\u661f\u751f\u547d\u7684\u8d77\u6e90\uff1f\u9084\u662f\u884c\u661f\u5f62\u6210\u5f8c\u5c31\u80fd\u5728\u81ea\u5df1\u7684\u74b0\u5883\u4e2d\u7522\u751f\u751f\u547d\uff1f\u9019\u4e9b\u90fd\u9700\u8981\u5f8c\u7e8c\u66f4\u591a\u89c0\u6e2c\u7d66\u6211\u5011\u7b54\u6848\u3002<\/p>\n<p><figure id=\"attachment_37547\" aria-describedby=\"caption-attachment-37547\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-37547\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff14.jpg\" alt=\"\" width=\"800\" height=\"800\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff14.jpg 800w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff14-150x150.jpg 150w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff14-300x300.jpg 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff14-768x768.jpg 768w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u5716\uff14-250x250.jpg 250w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-37547\" class=\"wp-caption-text\">\u57164\uff1aPDS 70 \u8207\u5b83\u7684\u5169\u500b\u885b\u661f\u3002\u4e0d\u540c\u984f\u8272\u8868\u793a\u4e0d\u540c\u89c0\u6e2c\u5e36\u4f86\u7684\u7d50\u679c\uff0c\u5168\u90e8\u758a\u52a0\u5728\u4e00\u8d77\u6709\u52a9\u65bc\u8b93\u6211\u5011\u770b\u6e05\u9019\u500b\u7cfb\u7d71\u7684\u5168\u8c8c\u3002PDS 70 b\u662f\u4eba\u985e\u7b2c\u4e00\u500b\u770b\u5230\u6b63\u5728\u5f62\u6210\u7684\u884c\u661f\uff0c\u800cPDS 70 c\u5468\u570d\u7e8f\u7e5e\u7684\u7269\u8cea\u5247\u53ef\u80fd\u6703\u662f\u885b\u661f\u5f62\u6210\u7684\u7279\u5fb5\u3002\u5716\u7247\u4f86\u6e90\uff1a ALMA (ESO\/NAOJ\/NRAO)\/A. Isella\/ESO. [6]<\/figcaption><\/figure><strong>\u53c3\u8003\u8cc7\u6599\uff1a<\/strong><\/p>\n<ol>\n<li>[1] <a href=\"https:\/\/exoplanets.nasa.gov\/faq\/43\/how-do-planets-form\/\">NASA \/&nbsp; How do planets form?<\/a><\/li>\n<li>[2] <a href=\"https:\/\/www.nrao.edu\/pr\/2012\/clumpcores\/\">NRAO \/ Astronomers Get Rare Peek at Early Stage of Star Formation<\/a><\/li>\n<li>[3] <a href=\"https:\/\/exoplanets.nasa.gov\/news\/1359\/first-detection-of-methyl-alcohol-in-a-planet-forming-disc\/\">NASA Exoplanet \/ First detection of methyl alcohol in a planet-forming disc<\/a><\/li>\n<li>[4] <a href=\"https:\/\/en.wikipedia.org\/wiki\/PDS_70\">wiki \/ PDS 70<\/a><\/li>\n<li>[5] <a href=\"https:\/\/scitechdaily.com\/existence-of-two-giant-newborn-planets-in-pds-70-system-confirmed-by-astronomers\/\">SciTechDaily \/ Existence of Two Giant Newborn Planets in PDS 70 System Confirmed by Astronomers<\/a><\/li>\n<li>[6] <a href=\"https:\/\/earthsky.org\/space\/circumplanetary-disk-pds-70-c-gas-giant-planet-moons\/\">Earth Sky \/ Space Are moons forming around this distant gas giant planet?<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u4eba\u985e\u96d6\u7136\u6c92\u6a5f\u6703\u770b\u5230\u592a\u967d\u3001\u5730\u7403\u3001\u6708\u7403\u662f\u600e\u9ebc\u751f\u6210\u7684\uff0c\u4f46\u80fd\u85c9\u7531\u89c0\u6e2c\u5225\u7684\u5929\u9ad4\u4f86\u7406\u89e3\u6574\u500b\u904e\u7a0b\u3002\u8fd1\u5e7e\u5e74\u4eba\u985e\u7d42\u65bc\u770b\u5230\u4e86\u5f62\u6210\u4e2d\u7684\u884c\u661f\uff0c\u751a\u81f3\u9084\u770b\u5230\u4e00\u4e9b\u8de1\u8c61\uff0c\u8b93\u5929\u6587\u5b78\u5bb6\u731c\u6e2c\u53ef\u80fd\u662f\u6b63\u5728\u5f62\u6210\u7684\u885b\u661f\uff0c\u6216\u8a31\u4eba\u985e\u898b\u8b49\u8457\u5225\u4eba\u5bb6\u7684\u6708\u4eae\u6b63\u5728\u5f62\u6210\uff01<\/p>\n","protected":false},"author":20,"featured_media":37544,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1022,3293,3005],"tags":[5187,5188,5186],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2021\/11\/\u7279\u8272\u5716\u7247\u3001\u5716\uff13.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/37543"}],"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=37543"}],"version-history":[{"count":7,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/37543\/revisions"}],"predecessor-version":[{"id":37554,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/37543\/revisions\/37554"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/37544"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=37543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=37543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=37543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}