

{"id":35790,"date":"2020-11-06T00:08:28","date_gmt":"2020-11-05T16:08:28","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=35790"},"modified":"2020-12-21T10:31:28","modified_gmt":"2020-12-21T02:31:28","slug":"%e9%a3%9b%e4%be%86%e6%a9%ab%e7%a6%8d%ef%bc%81%e4%be%86%e8%87%aa%e5%a4%96%e5%a4%aa%e7%a9%ba%e7%9a%84%e6%92%9e%e6%93%8a%e5%a8%81%e8%84%85","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=35790","title":{"rendered":"\u98db\u4f86\u6a6b\u798d\uff01\u4f86\u81ea\u5916\u592a\u7a7a\u7684\u649e\u64ca\u5a01\u8105"},"content":{"rendered":"<figure id=\"attachment_35791\" aria-describedby=\"caption-attachment-35791\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-35791\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/004.png\" alt=\"\" width=\"600\" height=\"338\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/004.png 800w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/004-300x169.png 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/004-768x432.png 768w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35791\" class=\"wp-caption-text\">2013\u5e74\u8eca\u91cc\u96c5\u8cd3\u65af\u514b\u5c0f\u884c\u661f\u649e\u64ca\u4e8b\u4ef6\u3002\u9032\u5165\u5927\u6c23\u5c64\u5f8c\u5728\u5929\u7a7a\u4e2d\u7684\u4eae\u5ea6\u751a\u81f3\u6bd4\u592a\u967d\u9084\u8981\u4eae\uff0c\u6210\u70ba\u8000\u773c\u7684\u706b\u6d41\u661f\u3002\u5716\u7247\u51fa\u8655 Aleksandr Ivanov [1]<\/figcaption><\/figure>\n<p><span style=\"color: #333399;\"><strong>2020\u5e749\u670818\u65e5\uff0c\u4e00\u9846\u516c\u8eca\u5927\u5c0f\u7684\u5929\u9ad4\u5f9e\u5730\u7403\u65c1\u908a\u63a0\u904e\u3002\u5982\u6b64\u9a5a\u96aa\u842c\u5206\u7684\u4e8b\u4ef6\u4f3c\u4e4e\u6c92\u6709\u5f15\u4f86\u592a\u591a\u6ce8\u76ee\u3002\u6839\u64da\u89c0\u6e2c\uff0c\u9019\u4e9b\u96e2\u5730\u7403\u7279\u5225\u8fd1\u7684\u5c0f\u5929\u9ad4\u9ad8\u9054\u6578\u842c\u500b\uff0c\u5b87\u5b99\u4e26\u6c92\u6709\u60f3\u50cf\u4e2d\u7684\u7a7a\u8569\u3002\u4eba\u985e\u96d6\u7136\u6301\u7e8c\u7684\u5728\u76e3\u63a7\u9019\u4e9b\u53ef\u80fd\u7684\u5916\u4f86\u5a01\u8105\uff0c\u537b\u4e5f\u6c92\u8fa6\u6cd5\u5b8c\u5168\u907f\u514d\u30022013\u5e74\u7684\u8eca\u91cc\u96c5\u8cd3\u65af\u514b\u5c0f\u884c\u661f (Chelyabinsk meteor) \u649e\u64ca\u4e8b\u4ef6\u5c31\u662f\u6700\u597d\u7684\u4f8b\u5b50\u3002<\/strong><\/span><\/p>\n<p><strong>\u64b0\u6587\uff0f\u8a31\u4e16\u7a4e<\/strong><\/p>\n<p><span style=\"color: #008080;\"><strong>\u25cf\u8fd1\u5730\u5929\u9ad4\u8207\u5df4\u52d2\u83ab\u649e\u64ca\u5371\u96aa\u6307\u6578<\/strong><\/span><\/p>\n<p>2020\u5e749\u670818\u65e5\u665a\u95937\u9ede13\u5206 (11:13 UTC) \uff0c\u4e00\u9846\u540d\u70ba2020 SW\u7684\u5929\u9ad4\u5f9e\u5730\u7403\u8eab\u908a\u9a5a\u96aa\u63a0\u904e\u3002\u9019\u9846\u5929\u9ad4\u7684\u76f4\u5f91\u64da\u4f30\u8a08\u8207\u4e00\u8f1b\u516c\u8eca\u5dee\u4e0d\u591a\u5927 (\u7d044\u81f39\u516c\u5c3a)\uff0c\u96e2\u5730\u7403\u6700\u8fd1\u7684\u8ddd\u96e2\u4e0d\u52303\u9846\u5730\u7403\u7684\u76f4\u5f91 (\u7d042\u842c8\u5343500\u516c\u91cc) [2]\u3002\u770b\u4f3c\u5982\u6b64\u9a5a\u96aa\u7684\u5929\u6587\u4e8b\u4ef6\uff0c\u537b\u6c92\u898b\u5230\u592a\u591a\u65b0\u805e\u5831\u5c0e\uff0c\u96e3\u9053\u4e0d\u5371\u96aa\u55ce\uff1f<\/p>\n<p>\u9019\u985e\u6703\u9a5a\u96aa\u63a0\u904e\u5730\u7403 (\u6700\u8fd1\u8ddd\u96e2\u5c0f\u65bc1.3\u5929\u6587\u55ae\u4f4d\uff09\u7e5e\u884c\u592a\u967d\u7684\u5929\u9ad4\u7a31\u70ba\u300c\u8fd1\u5730\u5929\u9ad4 (Near-Earch Objects\uff0c\u7c21\u7a31\u70baNEOs)\u300d[3]\u3002\u8fd1\u5730\u5929\u9ad4\u591a\u534a\u70ba\u5c0f\u884c\u661f\u6216\u5f57\u661f\u3002\u7f8e\u570b\u570b\u5bb6\u822a\u592a\u7e3d\u7f72 (NASA) \u7684\u8fd1\u5730\u5929\u9ad4\u7814\u7a76\u4e2d\u5fc3 (Center of Near-Earth Object Studies\uff0c\u7c21\u7a31\u70baCNEOS) \u7684\u7db2\u7ad9\u4e2d\u53ef\u4ee5\u67e5\u8a62\u5230\u66fe\u63a0\u904e\u3001\u6216\u662f\u63a8\u4f30\u53ef\u80fd\u63a0\u904e\u5730\u7403\u7684\u8fd1\u5730\u5929\u9ad4 [2]\u3002\u5149\u662f\u904e\u53bb\u4e00\u5e74\u5167\uff0c\u5c31\u6709\u53e6\u59164\u9846\u6bd42020 SW\u66f4\u8cbc\u8fd1\u5730\u7403\u7684\u5929\u9ad4\u7d93\u904e\u3002\u5176\u4e2d\u4e00\u98462020 QG\u751a\u81f3\u5c31\u5728\u4e0a\u500b\u6708 (8\u670816\u65e5) \u4ee5\u4e0d\u5230\u4e00\u9846\u5730\u7403\u76f4\u5f91\u7684\u8ddd\u96e2\u8207\u5730\u7403\u64e6\u8eab\u800c\u904e\u3002\u53ef\u4ee5\u767c\u73fe\uff0c\u5176\u5be6\u8fd1\u5730\u5929\u9ad4\u4e26\u4e0d\u7b97\u5c11\u898b (\u57161)\u3002\u5176\u4e2d\u8ddd\u96e2\u7279\u5225\u8fd1\u3001\u5c3a\u5bf8\u7279\u5225\u5927\uff0c\u56e0\u6b64\u7279\u5225\u53ef\u80fd\u5177\u5a01\u8105\u6027\u7684\u5247\u53e6\u5916\u7a31\u70ba\u300c\u6f5b\u5728\u5371\u96aa\u5929\u9ad4 (Potentially Hazardous Object)\u300d\u3002\u5149\u662f\u5176\u4e2d\u7684\u5c0f\u884c\u661f\u5c31\u67091000\u591a\u9846\uff0c\u8ecc\u8de1\u756b\u51fa\u4f86\u771f\u7684\u5687\u4eba (\u57162)\uff01<\/p>\n<figure id=\"attachment_35792\" aria-describedby=\"caption-attachment-35792\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-35792\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/005.png\" alt=\"\" width=\"600\" height=\"338\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/005.png 1400w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/005-300x169.png 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/005-768x432.png 768w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/005-1024x576.png 1024w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35792\" class=\"wp-caption-text\">\u57161\uff1a\u8fd1\u5730\u5929\u9ad4\u5206\u4f48\u793a\u610f\u5716\u3002\u6bcf\u4e00\u500b\u9ede\u90fd\u662f\u4e00\u500b\u8fd1\u5730\u5929\u9ad4\u7684\u4f4d\u7f6e\uff0c\u622a\u81f32018\u5e74\u5927\u7d04\u670918,000\u500b\u3002\u5713\u5708\u5247\u4ee3\u8868\u5404\u500b\u884c\u661f\u7684\u8ecc\u8de1\u8def\u7dda\uff0c\u5730\u7403\u5247\u70ba\u767d\u8272\u7684\u5708\u3002\u5716\u7247\u4f86\u6e90\uff1aNASA\/JPL-Caltech<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_35793\" aria-describedby=\"caption-attachment-35793\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-35793\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/006.png\" alt=\"\" width=\"600\" height=\"482\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/006.png 1275w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/006-300x241.png 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/006-768x617.png 768w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/006-1024x822.png 1024w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35793\" class=\"wp-caption-text\">\u57162\uff1a\u6dfa\u5728\u5371\u96aa\u5c0f\u884c\u661f (Potentially Hazardous Asteroid) \u7684\u8ecc\u8de1\u5716\u3002\u6bcf\u4e00\u689d\u7dda\u4ee3\u8868\u4e00\u9846\u6dfa\u5728\u5371\u96aa\u5c0f\u884c\u661f\u7684\u8ecc\u8de1\u3002\u4e2d\u592e\u9ec3\u9ede\u70ba\u592a\u967d\u3002\u5e7e\u500b\u7279\u5225\u6a19\u51fa\u540d\u5b57\u7684\u5713\u5f62\u8ecc\u8de1\u70ba\u884c\u661f\u7684\u8ecc\u8de1\uff0c\u5730\u7403\u8ecc\u8de1\u5247\u7279\u5225\u4ee5\u767d\u8272\u8868\u793a\u3002 \u5716\u7247\u4f86\u6e90\uff1aNASA\/JPL-Caltech<\/figcaption><\/figure>\n<p>\u91dd\u5c0d\u9019\u4e9b\u53ef\u80fd\u649e\u64ca\u5730\u7403\u7684\u8fd1\u5730\u5929\u9ad4\uff0c\u53ef\u4ee5\u5229\u7528\u5df4\u52d2\u83ab\u649e\u64ca\u5371\u96aa\u6307\u6578 (Palermo Technical Impact Hazard Scale) \u4f86\u4f30\u8a08\u5a01\u8105\u7684\u7a0b\u5ea6 [4]\u3002\u5df4\u52d2\u83ab\u649e\u64ca\u5371\u96aa\u6307\u6578\u7684\u5167\u6db5\u662f\u767c\u751f\u649e\u64ca\u7684\u6a5f\u7387\u53d6\u5c0d\u6578\uff0c\u6578\u5b57\u8d8a\u5927\u4ee3\u8868\u5a01\u8105\u53ef\u80fd\u6027\u6108\u5927\u3002\u5c0d\u5927\u591a\u6578\u7684\u8fd1\u5730\u5929\u9ad4\u800c\u8a00\u9019\u500b\u6578\u5b57\u90fd\u662f\u8ca0\u503c\uff0c\u4ecb\u65bc-2\u81f30\u4e4b\u9593\u7684\u5929\u9ad4\u5247\u6703\u88ab\u5217\u5165\u89c0\u5bdf\u540d\u55ae\uff0c\u800c\u5927\u65bc0\u7684\u5929\u9ad4\u5247\u9700\u8981\u9032\u4e00\u6b65\u7684\u6ce8\u610f\u8207\u8a55\u4f30\u3002CNEOS\u7684\u54e8\u5175\u7cfb\u7d71 (Sentry) [5] \u6703\u81ea\u52d5\u76e3\u63a7\u6240\u6709\u89c0\u6e2c\u5230\u7684\u8fd1\u5730\u5c0f\u884c\u661f\uff0c\u4e26\u5c07\u672a\u4f86100\u5e74\u5167\u53ef\u80fd\u9020\u6210\u5a01\u8105\u7684\u5929\u9ad4\u5217\u5165\u54e8\u5175\u98a8\u96aa\u8868 (Sentry Risk Table) \u7576\u4e2d\u3002\u901a\u904e\u66f4\u591a\u8a08\u7b97\u3001\u89c0\u6e2c\u3001\u8a55\u4f30\u4e4b\u5f8c\uff0c\u964d\u4f4e\u5a01\u8105\u53ef\u80fd\u7684\u5929\u9ad4\u4e5f\u6703\u5f9e\u9019\u500b\u6e05\u55ae\u7576\u4e2d\u79fb\u9664\u3002\u76ee\u524d\u5728\u8a72\u8868\u4e2d\u5371\u96aa\u6307\u6578\u6700\u5927\u7684\u662f-1.42\u7684 (29075) 1950 DA\uff0c\u5927\u5c0f\u8db3\u8db3\u67091.3\u516c\u91cc\uff0c\u4f46\u9810\u4f30\u96e2\u5730\u7403\u6700\u8fd1\u7684\u6642\u5019\u537b\u5728\u9059\u9060\u7684\u897f\u51432880\u5e743\u6708\u3002\u96d6\u7136\u6709\u8457\u9019\u9ebc\u591a\u7684\u8fd1\u5730\u5929\u9ad4\u5728\u5730\u7403\u9644\u8fd1\uff0c\u4f46\u767c\u751f\u5a01\u8105\u7684\u6a5f\u7387\u5be6\u5728\u662f\u4e0d\u9ad8\u3002\u5076\u723e\u6709\u9130\u5c45\u7d93\u904e\uff0c\u53cd\u800c\u662f\u89c0\u6e2c\u7684\u597d\u6642\u6a5f\u5462\uff01<\/p>\n<p><span style=\"color: #008080;\"><strong>\u25cf\u8eca\u91cc\u96c5\u8cd3\u65af\u514b\u5c0f\u884c\u661f\u649e\u64ca\u4e8b\u4ef6<\/strong><\/span><\/p>\n<p>\u5373\u4fbf\u6709\u8457\u9019\u500b\u54e8\u5175\u7cfb\u7d71\uff0c\u4e5f\u4e0d\u4ee3\u8868\u6240\u6709\u7684\u8fd1\u5730\u5929\u9ad4\u5a01\u8105\u90fd\u80fd\u5920\u63d0\u65e9\u88ab\u9810\u6e2c\u3002\u5927\u591a\u9019\u985e\u7684\u5929\u9ad4\u7684\u5c3a\u5bf8\u90fd\u5f88\u5c0f\u3001\u4eae\u5ea6\u5f88\u9eef\u6de1\uff0c\u671b\u9060\u93e1\u6c92\u6709\u8fa6\u6cd5\u540c\u6642\u5c0d\u8457\u6574\u7247\u5929\u7a7a\u7684\u6bcf\u4e00\u500b\u9ede\u89c0\u6e2c\u9019\u9ebc\u9eef\u6de1\u7684\u5929\u9ad4\u3002<\/p>\n<p>\u8eca\u91cc\u96c5\u8cd3\u65af\u514b\u5c0f\u884c\u661f (Chelyabinsk meteor) \u649e\u64ca\u4e8b\u4ef6--\u751a\u81f3\u662f\u8fd1\u5e74\u4f86\u6700\u5927\u898f\u6a21\u7684\u5916\u4f86\u5929\u9ad4\u649e\u64ca\u4e8b\u4ef6--\u4e26\u6c92\u6709\u88abNASA\u4e8b\u524d\u89c0\u6e2c\u5230 [6]\u3002\u8eca\u91cc\u96c5\u8cd3\u65af\u514b\u5c0f\u884c\u661f\u649e\u64ca\u4e8b\u4ef6\u7d04\u57282013\u5e742\u670815\u65e5\u53f0\u7063\u6642\u9593\u65e9\u4e0a11\u9ede15\u5206 (03:15 UTC) [7]\u3002\u9019\u9846\u9695\u77f3\u5927\u5c0f\u7d0420\u516c\u5c3a\uff0c\u4ee5\u6bcf\u79d21 9\u516c\u91cc\u5de6\u53f3\u7684\u901f\u5ea6\u9032\u5165\u4fc4\u7f85\u65af\u7684\u5927\u6c23\u5c64\u7bc4\u570d\u3002\u8207\u5927\u6c23\u5c64\u6469\u64e6\u7522\u751f\u7684\u71c3\u71d2\u8b93\u5b83\u5728\u5929\u4e0a\u770b\u8d77\u4f86\u751a\u81f3\u6bd4\u592a\u967d\u9084\u8981\u4eae (\u7279\u8272\u5716\u7247)\uff01\u9019\u9846\u9695\u77f3\u5728\u7a7a\u4e2d\u7559\u4e0b\u4e86\u58ef\u9e97\u7684\u84b8\u6c23\u5c3e (\u57163)\u3001\u7206\u70b8\u4e86\u4e09\u6b21\uff0c\u6700\u5f8c\u5206\u88c2\u6210\u6578\u500b\u788e\u584a\u3001\u4e3b\u8981\u6563\u843d\u5728\u5207\u5df4\u514b\u723e\u6e56\u4e00\u5e36 (Lake Chebarkul)\u3002\u9019\u500b\u4e8b\u4ef6\u7684\u7834\u58de\u529b\u76f8\u7576\u65bc44\u842c\u5678\u7684TNT\u70b8\u85e5\uff0c\u5728\u7a7a\u4e2d\u7522\u751f\u7684\u885d\u64ca\u6ce2\u9707\u788e\u4e86\u9644\u8fd1\u7684\u623f\u5c4b\u7a97\u6236\uff0c\u4e26\u9020\u6210\u4e86\u8d85\u904e1400\u4eba\u7684\u53d7\u50b7\u3002<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_35794\" aria-describedby=\"caption-attachment-35794\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-35794\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/007.png\" alt=\"\" width=\"600\" height=\"401\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/007.png 813w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/007-300x201.png 300w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/007-768x514.png 768w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-35794\" class=\"wp-caption-text\">\u57163\uff1a\u8eca\u91cc\u96c5\u8cd3\u65af\u514b\u5c0f\u884c\u661f\u5728\u5929\u7a7a\u4e2d\u7522\u751f\u7684\u84b8\u6c23\u5c3e\u3002\u65bc\u4e8b\u4ef6200\u516c\u91cc\u5916\u6240\u651d\u3002\u5716\u7247\u51fa\u8655 Svetlana Korzhova [7]<\/figcaption><\/figure>\n<p>\u9695\u77f3\u649e\u64ca\u6240\u80fd\u5e36\u4f86\u7684\u885d\u64ca\u662f\u8d85\u4e4e\u60f3\u50cf\u7684\u3002\u5728\u8eca\u91cc\u96c5\u8cd3\u65af\u514b\u5c0f\u884c\u661f\u649e\u64ca\u4e8b\u4ef6\u5f8c\uff0c\u6709\u95dc\u9632\u885b\u8fd1\u5730\u5929\u9ad4\u53ef\u80fd\u5e36\u4f86\u7684\u5a01\u8105\u7372\u5f97\u4e86\u66f4\u5927\u7684\u91cd\u8996\u3002NASA\u4e5f\u958b\u59cb\u767c\u5c55\u5c0f\u884c\u661f\u885d\u64ca\u9810\u8b66\u7cfb\u7d71 (Asteroid-Impact Early-Warning System)\uff0c\u6210\u54e1\u5305\u542b\u806f\u5408\u570b\u7684\u570b\u969b\u5c0f\u884c\u661f\u8b66\u793a\u7db2\u7d61 (International Asteroid Warning Network)\u3002\u9019\u5957\u7cfb\u7d71\u4e5f\u6210\u529f\u5730\u57282017\u5e74\u6e2c\u8a66\u6210\u529f [8]\uff0c\u5f97\u4ee5\u5f9e\u65e9\u671f\u7684\u89c0\u6e2c\u8cc7\u8a0a\u4f86\u9810\u5224\u5c07\u4f86\u7684\u5a01\u8105\u3002\u96d6\u7136\u4e0d\u53ef\u80fd\u767e\u5206\u4e4b\u767e\u8eb2\u904e\u6240\u6709\u7684\u8fd1\u5730\u5929\u9ad4\u5a01\u8105\uff0c\u4f46\u76f8\u4fe1\u5929\u6587\u5b78\u5bb6\u80fd\u5f9e\u4e00\u6b21\u6b21\u7684\u89c0\u6e2c\u8cc7\u8a0a\u7576\u4e2d\u7372\u5f97\u66f4\u591a\u7684\u8cc7\u8a0a\u3001\u8b93\u4eba\u985e\u80fd\u5118\u65e9\u505a\u51fa\u53cd\u61c9\uff0c\u907f\u958b\u98db\u4f86\u6a6b\u798d\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599\uff1a<\/strong><\/p>\n<ol>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Chelyabinsk_meteor\">Wikipedia Chelyabinsk meteor<\/a><\/li>\n<li><a href=\"https:\/\/cneos.jpl.nasa.gov\/ca\/\">NASA\/JPL CNEOS <\/a><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Chelyabinsk_meteor\">Wikipedia Near-Earth Object<\/a><\/li>\n<li><a href=\"https:\/\/cneos.jpl.nasa.gov\/sentry\/palermo_scale.html\">NASA\/JPL CNEOS Palermo Technical Impact Hazard Scale<\/a><\/li>\n<li><a href=\"https:\/\/cneos.jpl.nasa.gov\/sentry\/\">NASA\/JPL CNEOS Sentry: Earth Impact Monitoring<\/a><\/li>\n<li><a href=\"https:\/\/blogs.nasa.gov\/Watch_the_Skies\/2013\/02\/19\/post_1361308690869\/\">NASA Why Wasn't the Russian Meteor Detected Before it Entered the Atmosphere?<\/a><\/li>\n<li><a href=\"https:\/\/commons.wikimedia.org\/w\/index.php?curid=24663641\">Svetlana Korzhova (WebCite copy), CC BY-SA 3.0 <\/a><\/li>\n<li><a href=\"https:\/\/www.nasa.gov\/feature\/five-years-after-the-chelyabinsk-meteor-nasa-leads-efforts-in-planetary-defense\">NASA Five Years after the Chelyabinsk Meteor: NASA Leads Efforts in Planetary Defense<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>9\u670818\u65e5\uff0c\u4e00\u9846\u516c\u8eca\u5927\u5c0f\u7684\u5929\u9ad4\u5f9e\u5730\u7403\u65c1\u908a\u63a0\u904e\u3002\u5982\u6b64\u9a5a\u96aa\u842c\u5206\u7684\u4e8b\u4ef6\u4f3c\u4e4e\u6c92\u6709\u5f15\u4f86\u592a\u591a\u6ce8\u76ee\u3002\u6839\u64da\u89c0\u6e2c\uff0c\u9019\u4e9b\u96e2\u5730\u7403\u7279\u5225\u8fd1\u7684\u5c0f\u5929\u9ad4\u9ad8\u9054\u6578\u842c\u500b\uff0c\u5b87\u5b99\u4e26\u6c92\u6709\u60f3\u50cf\u4e2d\u7684\u7a7a\u8569\u3002\u4eba\u985e\u96d6\u7136\u6301\u7e8c\u7684\u5728\u76e3\u63a7\u9019\u4e9b\u53ef\u80fd\u7684\u5916\u4f86\u5a01\u8105\uff0c\u537b\u4e5f\u6c92\u8fa6\u6cd5\u5b8c\u5168\u907f\u514d\u30022013\u5e74\u7684\u8eca\u91cc\u96c5\u8cd3\u65af\u514b\u5c0f\u884c\u661f (Chelyabinsk meteor) \u649e\u64ca\u4e8b\u4ef6\u5c31\u662f\u6700\u597d\u7684\u4f8b\u5b50\u3002<\/p>\n","protected":false},"author":20,"featured_media":35791,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1022,3293],"tags":[4748,4747],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2020\/10\/004.png","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/35790"}],"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=35790"}],"version-history":[{"count":4,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/35790\/revisions"}],"predecessor-version":[{"id":35995,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/35790\/revisions\/35995"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/35791"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=35790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=35790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=35790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}