{"id":1426,"date":"2026-10-26T06:00:00","date_gmt":"2026-10-25T21:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1426"},"modified":"2026-10-23T08:30:12","modified_gmt":"2026-10-22T23:30:12","slug":"qs-rocket-equation-mass-ratio-20261023","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1426","title":{"rendered":"\u30ed\u30b1\u30c3\u30c8\u65b9\u7a0b\u5f0f\u3001\u63a8\u9032\u5264\u3092\u5897\u3084\u3057\u3066\u3082\u901f\u5ea6\u5909\u5316\u304c\u6bd4\u4f8b\u3057\u306a\u3044\u7406\u7531"},"content":{"rendered":"<p>\u5b87\u5b99\u6a5f\u304c\u8ecc\u9053\u3092\u5909\u3048\u308b\u3068\u304d\u306b\u306f\u3001\u5fc5\u8981\u306a\u901f\u5ea6\u5909\u5316\u3092<strong>\u30c7\u30eb\u30bfV\uff08\u0394v\uff09<\/strong>\u3067\u8003\u3048\u307e\u3059\u3002\u3067\u306f\u3001\u305d\u306e\u5024\u30922\u500d\u306b\u3057\u305f\u3051\u308c\u3070\u3001\u63a8\u9032\u5264\u30822\u500d\u7a4d\u3081\u3070\u3088\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u7406\u60f3\u7684\u306a\u30ed\u30b1\u30c3\u30c8\u65b9\u7a0b\u5f0f\u3067\u306f\u3001\u305d\u3046\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u51fa\u767a\u6642\u306b\u306f\u3001\u5f8c\u3067\u4f7f\u3046\u63a8\u9032\u5264\u305d\u306e\u3082\u306e\u3082\u52a0\u901f\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u304b\u3089\u3067\u3059\u3002<\/p>\n<section class=\"influvetor-quick-summary\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>\u7406\u60f3\u30ed\u30b1\u30c3\u30c8\u65b9\u7a0b\u5f0f\u306f\u3001\u5f97\u3089\u308c\u308b\u30c7\u30eb\u30bfV\u3092\u300c\u6709\u52b9\u6392\u6c17\u901f\u5ea6\u00d7\u71c3\u713c\u524d\u5f8c\u306e\u8cea\u91cf\u6bd4\u306e\u81ea\u7136\u5bfe\u6570\u300d\u3067\u8868\u3057\u307e\u3059\u3002\u63a8\u9032\u5264\u306e\u91cf\u306b\u5358\u7d14\u6bd4\u4f8b\u3059\u308b\u5f0f\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<li>\u71c3\u713c\u5f8c\u306e\u8cea\u91cf\u3068\u6709\u52b9\u6392\u6c17\u901f\u5ea6\u3092\u56fa\u5b9a\u3059\u308b\u3068\u3001\u540c\u3058\u30c7\u30eb\u30bfV\u3092\u8ffd\u52a0\u3059\u308b\u305f\u3073\u306b\u3001\u5fc5\u8981\u306a\u8cea\u91cf\u6bd4\u306f\u540c\u3058\u500d\u7387\u3067\u5897\u3048\u307e\u3059\u3002<\/li>\n<li>\u6bd4\u63a8\u529b\u306f\u63a8\u9032\u5264\u306e\u4f7f\u3044\u65b9\u3092\u6bd4\u3079\u308b\u6307\u6a19\u3067\u3059\u304c\u3001\u63a8\u529b\u305d\u306e\u3082\u306e\u3084\u71c3\u713c\u6642\u9593\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u73fe\u5b9f\u306e\u8a2d\u8a08\u306b\u306f\u69cb\u9020\u8cea\u91cf\u3001\u91cd\u529b\u3001\u7a7a\u6c17\u62b5\u6297\u306a\u3069\u3082\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u71c3\u713c\u524d\u5f8c\u3067\u3001\u52a0\u901f\u3055\u308c\u308b\u8cea\u91cf\u304c\u5909\u308f\u308b<\/h2>\n<p>\u30ed\u30b1\u30c3\u30c8\u306f\u63a8\u9032\u5264\u3092\u5f8c\u65b9\u3078\u5674\u304d\u51fa\u3057\u3001\u305d\u306e\u53cd\u4f5c\u7528\u3067\u524d\u3078\u9032\u307f\u307e\u3059\u3002\u71c3\u713c\u304c\u7d9a\u304f\u307b\u3069\u6a5f\u4f53\u306b\u6b8b\u308b\u8cea\u91cf\u306f\u6e1b\u308b\u305f\u3081\u3001\u540c\u3058\u91cf\u3092\u5674\u304d\u51fa\u3057\u3066\u3082\u3001\u305d\u306e\u6642\u70b9\u3067\u52a0\u901f\u3059\u308b\u5bfe\u8c61\u306e\u8cea\u91cf\u306f\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u71c3\u713c\u306e\u521d\u3081\u306b\u306f\u3001\u6a5f\u4f53\u3084\u8377\u7269\u306b\u52a0\u3048\u3066\u3001\u5f8c\u534a\u306b\u4f7f\u3046\u63a8\u9032\u5264\u3082\u4e00\u7dd2\u306b\u904b\u3073\u307e\u3059\u3002<\/p>\n<p>\u6709\u52b9\u6392\u6c17\u901f\u5ea6\u3092\u4e00\u5b9a\u3068\u3057\u3001\u91cd\u529b\u3084\u7a7a\u6c17\u62b5\u6297\u306a\u3069\u306e\u5916\u529b\u306b\u3088\u308b\u901f\u5ea6\u5909\u5316\u3092\u7121\u8996\u3059\u308b\u3068\u3001\u3053\u306e\u8cea\u91cf\u5909\u5316\u3092\u7a4d\u307f\u91cd\u306d\u305f\u7d50\u679c\u306f\u6b21\u306e\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u0394v = v<sub>e<\/sub> ln(m<sub>0<\/sub>\/m<sub>f<\/sub>)<\/strong><\/p>\n<p>m<sub>0<\/sub>\u306f\u71c3\u713c\u524d\u306e\u5168\u8cea\u91cf\u3001m<sub>f<\/sub>\u306f\u71c3\u713c\u5f8c\u306b\u6b8b\u308b\u5168\u8cea\u91cf\u3001v<sub>e<\/sub>\u306f\u6709\u52b9\u6392\u6c17\u901f\u5ea6\u3067\u3059\u3002ln\u306f\u81ea\u7136\u5bfe\u6570\u3092\u8868\u3057\u307e\u3059\u3002\u8cea\u91cf\u6bd4m<sub>0<\/sub>\/m<sub>f<\/sub>\u306b\u306f\u5358\u4f4d\u304c\u306a\u304f\u3001\u901f\u5ea6\u306e\u5358\u4f4d\u306fv<sub>e<\/sub>\u304b\u3089\u6c7a\u307e\u308a\u307e\u3059\u3002\u3053\u306e\u5f0f\u306f\u30c4\u30a3\u30aa\u30eb\u30b3\u30d5\u30b9\u30ad\u30fc\u306e\u30ed\u30b1\u30c3\u30c8\u65b9\u7a0b\u5f0f\u3068\u3082\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<p>\u71c3\u713c\u5f8c\u306b\u6b8b\u308b\u8cea\u91cf\u306b\u306f\u3001\u8377\u7269\u3060\u3051\u3067\u306a\u304f\u3001\u6a5f\u4f53\u69cb\u9020\u3001\u30a8\u30f3\u30b8\u30f3\u3001\u30bf\u30f3\u30af\u306a\u3069\u3082\u542b\u307f\u307e\u3059\u3002\u63a8\u9032\u5264\u3092\u4f7f\u3044\u5207\u3089\u306a\u3044\u8a08\u7b97\u306a\u3089\u3001\u6b8b\u3059\u63a8\u9032\u5264\u3082\u542b\u3081\u307e\u3059\u3002\u300c\u71c3\u713c\u5f8c\u306e\u8cea\u91cf\u300d\u3068\u300c\u642d\u8f09\u3067\u304d\u308b\u8377\u7269\u306e\u8cea\u91cf\u300d\u3092\u540c\u3058\u5024\u3068\u3057\u3066\u8aad\u307e\u306a\u3044\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<h2>\u540c\u30581\u30c8\u30f3\u3092\u6b8b\u3059\u3001\u4e09\u3064\u306e\u7406\u60f3\u4f8b<\/h2>\n<p>\u6570\u5f0f\u306e\u95a2\u4fc2\u3092\u898b\u308b\u305f\u3081\u3001\u71c3\u713c\u5f8c\u306e\u8cea\u91cf\u30921\u30c8\u30f3\u3001\u6709\u52b9\u6392\u6c17\u901f\u5ea6\u30923 km\/s\u306b\u56fa\u5b9a\u3057\u307e\u3059\u3002\u6bb5\u306e\u5207\u308a\u96e2\u3057\u306f\u306a\u304f\u3001\u7a4d\u3093\u3060\u63a8\u9032\u5264\u306f\u3059\u3079\u3066\u3053\u306e\u4e00\u56de\u306e\u8a08\u7b97\u3067\u4f7f\u3046\u3068\u3057\u307e\u3059\u3002\u5b9f\u6a5f\u306e\u4ed5\u69d8\u3067\u306f\u306a\u304f\u3001\u6761\u4ef6\u3092\u305d\u308d\u3048\u305f\u4f8b\u3067\u3059\u3002<\/p>\n<p>\u63a8\u9032\u5264\u304c1\u30c8\u30f3\u306a\u3089\u71c3\u713c\u524d\u306f2\u30c8\u30f3\u3001\u8cea\u91cf\u6bd4\u306f2\u3067\u3059\u3002\u5f97\u3089\u308c\u308b\u30c7\u30eb\u30bfV\u306f3 ln 2 \u2248 2.079 km\/s\u3068\u306a\u308a\u307e\u3059\u3002\u63a8\u9032\u5264\u30923\u30c8\u30f3\u306b\u5897\u3084\u3059\u3068\u71c3\u713c\u524d\u306f4\u30c8\u30f3\u3001\u6bd4\u306f4\u306b\u306a\u308a\u30013 ln 4 \u2248 4.159 km\/s\u3002\u3055\u3089\u306b7\u30c8\u30f3\u306a\u3089\u6bd4\u306f8\u3067\u30013 ln 8 \u2248 6.238 km\/s\u3067\u3059\u3002<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-rocket-equation-mass-ratio-20261023-figure-e337a1279c1c.png\" alt=\"\u71c3\u713c\u5f8c\u306e\u8cea\u91cf\u30921\u30c8\u30f3\u3001\u6709\u52b9\u6392\u6c17\u901f\u5ea6\u30923\u30ad\u30ed\u30e1\u30fc\u30c8\u30eb\u6bce\u79d2\u306b\u56fa\u5b9a\u3057\u305f\u7406\u60f3\u8a08\u7b97\u3002\u63a8\u9032\u52641\u30013\u30017\u30c8\u30f3\u3067\u8cea\u91cf\u6bd42\u30014\u30018\u3001\u30c7\u30eb\u30bfV\u306f\u7d042.079\u30014.159\u30016.238\u30ad\u30ed\u30e1\u30fc\u30c8\u30eb\u6bce\u79d2\u3002\" style=\"width:100%;height:auto\"\/><figcaption>\u72ec\u81ea\u306e\u7406\u60f3\u8a08\u7b97\u3002\u9752\u30441\u533a\u753b\u304c\u71c3\u713c\u5f8c\u306b\u6b8b\u308b1\u30c8\u30f3\u3001\u6843\u8272\u306e\u5404\u533a\u753b\u304c\u63a8\u9032\u52641\u30c8\u30f3\u3002\u3069\u306e\u4f8b\u3067\u3082\u71c3\u713c\u5f8c\u306e\u8cea\u91cf\u3068\u6709\u52b9\u6392\u6c17\u901f\u5ea6\u3092\u540c\u3058\u306b\u3057\u3066\u3044\u308b\u3002<\/figcaption><\/figure>\n<p>\u30c7\u30eb\u30bfV\u306f\u7d042.079 km\/s\u305a\u3064\u5897\u3048\u3066\u3044\u307e\u3059\u304c\u3001\u63a8\u9032\u5264\u306f1\u21923\u21927\u30c8\u30f3\u3068\u5897\u3048\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u306e\u4f8b\u306e\u30c7\u30eb\u30bfV\u30922\u500d\u306b\u3059\u308b\u306b\u306f\u3001\u63a8\u9032\u5264\u30922\u30c8\u30f3\u306b\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u30013\u30c8\u30f3\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u63a8\u9032\u52642\u30c8\u30f3\u306a\u3089\u8cea\u91cf\u6bd4\u306f3\u306a\u306e\u3067\u3001\u30c7\u30eb\u30bfV\u306f\u7d043.296 km\/s\u306b\u3068\u3069\u307e\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5bfe\u6570\u3092\u9006\u304b\u3089\u8aad\u3080\u3068\u3001\u5fc5\u8981\u306a\u8cea\u91cf\u304c\u898b\u3048\u308b<\/h2>\n<p>\u5f0f\u3092\u8cea\u91cf\u6bd4\u306b\u3064\u3044\u3066\u89e3\u304f\u3068\u3001<strong>m<sub>0<\/sub>\/m<sub>f<\/sub> = exp(\u0394v\/v<sub>e<\/sub>)<\/strong>\u3068\u306a\u308a\u307e\u3059\u3002exp\u306f\u81ea\u7136\u5bfe\u6570\u306e\u9006\u306e\u95a2\u6570\u3067\u3059\u3002\u540c\u3058v<sub>e<\/sub>\u306e\u3082\u3068\u3067\u30c7\u30eb\u30bfV\u30922\u500d\u306b\u3059\u308b\u3068\u3001\u8cea\u91cf\u6bd4\u306f2\u500d\u3067\u306f\u306a\u304f\u3001\u5143\u306e\u8cea\u91cf\u6bd4\u306e\u4e8c\u4e57\u306b\u306a\u308a\u307e\u3059\u3002\u6bd42\u306a\u30894\u3078\u3001\u6bd44\u306a\u308916\u3078\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u5fc5\u8981\u306a\u63a8\u9032\u5264\u8cea\u91cf\u306f<strong>m<sub>f<\/sub>{exp(\u0394v\/v<sub>e<\/sub>)\u22121}<\/strong>\u3067\u3059\u3002\u540c\u3058\u30c7\u30eb\u30bfV\u306a\u3089\u3001\u71c3\u713c\u5f8c\u306b\u6b8b\u308b\u8cea\u91cf\u3092\u8efd\u304f\u3059\u308b\u52b9\u679c\u3082\u8aad\u307f\u53d6\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u63a8\u9032\u5264\u3092\u5927\u91cf\u306b\u7a4d\u3080\u305f\u3081\u306b\u5927\u304d\u306a\u30bf\u30f3\u30af\u3084\u4e08\u592b\u306a\u69cb\u9020\u304c\u5fc5\u8981\u306b\u306a\u308b\u306a\u3089\u3001m<sub>f<\/sub>\u3082\u5909\u308f\u308a\u307e\u3059\u3002\u4e0a\u306e\u4e09\u4f8b\u306f\u3001\u305d\u308c\u3092\u56fa\u5b9a\u3057\u3066\u6570\u5f0f\u306e\u52b9\u679c\u3060\u3051\u3092\u53d6\u308a\u51fa\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2>\u6bd4\u63a8\u529b\u304c\u9ad8\u3044\u3053\u3068\u3068\u3001\u5927\u304d\u306a\u63a8\u529b\u306f\u9055\u3046<\/h2>\n<p>\u6709\u52b9\u6392\u6c17\u901f\u5ea6\u306f\u3001\u6392\u6c17\u306e\u904b\u52d5\u91cf\u3068\u30ce\u30ba\u30eb\u51fa\u53e3\u306e\u5727\u529b\u306b\u3088\u308b\u5bc4\u4e0e\u3092\u307e\u3068\u3081\u305f\u5024\u3067\u3059\u3002\u63a8\u529bF\u3001\u5358\u4f4d\u6642\u9593\u3042\u305f\u308a\u306e\u63a8\u9032\u5264\u6d88\u8cbb\u91cf\u1e41\u3092\u4f7f\u3046\u3068\u3001F = \u1e41v<sub>e<\/sub>\u3068\u8868\u305b\u307e\u3059\u3002v<sub>e<\/sub>\u3092\u6a19\u6e96\u91cd\u529b\u52a0\u901f\u5ea6g<sub>0<\/sub>\u3067\u5272\u3063\u305f\u5024\u304c<strong>\u6bd4\u63a8\u529bI<sub>sp<\/sub><\/strong>\u3067\u3001\u5358\u4f4d\u306f\u79d2\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u300c\u79d2\u300d\u306f\u3001\u305d\u306e\u30a8\u30f3\u30b8\u30f3\u306e\u71c3\u713c\u7d99\u7d9a\u6642\u9593\u3092\u610f\u5473\u3057\u307e\u305b\u3093\u3002\u540c\u3058\u63a8\u529b\u3092\u5f97\u308b\u969b\u306b\u5fc5\u8981\u306a\u63a8\u9032\u5264\u6d41\u91cf\u3084\u3001\u540c\u3058\u8cea\u91cf\u6bd4\u3067\u5f97\u3089\u308c\u308b\u7406\u60f3\u30c7\u30eb\u30bfV\u3092\u6bd4\u3079\u308b\u305f\u3081\u306e\u6307\u6a19\u3067\u3059\u3002\u540c\u3058\u6d41\u91cf\u306a\u3089\u6bd4\u63a8\u529b\u304c\u9ad8\u3044\u307b\u3069\u63a8\u529b\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u6d41\u91cf\u304c\u9055\u3046\u4e8c\u3064\u306e\u30a8\u30f3\u30b8\u30f3\u3092\u6bd4\u63a8\u529b\u3060\u3051\u3067\u6bd4\u3079\u3066\u3082\u3001\u3069\u3061\u3089\u306e\u63a8\u529b\u304c\u5927\u304d\u3044\u304b\u306f\u6c7a\u307e\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u7406\u60f3\u8a08\u7b97\u3067v<sub>e<\/sub>\u30923 km\/s\u304b\u30896 km\/s\u3078\u5909\u3048\u3001\u8cea\u91cf\u6bd42\u3092\u4fdd\u3066\u3070\u3001\u30c7\u30eb\u30bfV\u306f\u7d042.079\u304b\u30894.159 km\/s\u30782\u500d\u306b\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u5b9f\u969b\u306b\u305d\u306e\u6392\u6c17\u6761\u4ef6\u3092\u5b9f\u73fe\u3059\u308b\u88c5\u7f6e\u306e\u8cea\u91cf\u3084\u96fb\u529b\u3001\u6d41\u91cf\u3001\u5fc5\u8981\u306a\u71c3\u713c\u6642\u9593\u306f\u3001\u3053\u306e\u4e00\u3064\u306e\u5f0f\u3067\u306f\u6c7a\u307e\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u3053\u306e\u5f0f\u3060\u3051\u3067\u3001\u6253\u4e0a\u3052\u306e\u6210\u5426\u306f\u6c7a\u307e\u3089\u306a\u3044<\/h2>\n<p>\u3053\u3053\u3067\u8a08\u7b97\u3057\u305f\u30c7\u30eb\u30bfV\u306f\u3001\u4e00\u5b9a\u306e\u6392\u6c17\u6761\u4ef6\u3067\u63a8\u9032\u5264\u3092\u4f7f\u3063\u305f\u3068\u304d\u306e\u7406\u60f3\u7684\u306a\u901f\u5ea6\u5909\u5316\u3067\u3059\u3002\u5730\u4e0a\u304b\u3089\u306e\u6253\u4e0a\u3052\u3067\u306f\u91cd\u529b\u3084\u7a7a\u6c17\u62b5\u6297\u306b\u3088\u308b\u640d\u5931\u304c\u3042\u308a\u3001\u63a8\u529b\u306e\u5411\u304d\u3068\u71c3\u713c\u6642\u9593\u3082\u95a2\u308f\u308a\u307e\u3059\u3002\u8ecc\u9053\u904b\u52d5\u3067\u81ea\u7136\u306b\u5909\u308f\u308b\u901f\u3055\u3092\u3001\u305d\u306e\u307e\u307e\u30a8\u30f3\u30b8\u30f3\u304c\u4e0e\u3048\u305f\u30c7\u30eb\u30bfV\u3068\u540c\u3058\u306b\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u591a\u6bb5\u30ed\u30b1\u30c3\u30c8\u306f\u9014\u4e2d\u3067\u4e0d\u8981\u306b\u306a\u3063\u305f\u69cb\u9020\u3092\u5207\u308a\u96e2\u3057\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u306f\u3001\u6bb5\u3054\u3068\u306e\u71c3\u713c\u524d\u5f8c\u306e\u8cea\u91cf\u3092\u6b63\u3057\u304f\u5206\u3051\u3066\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5168\u884c\u7a0b\u3092\u3001\u540c\u3058\u69cb\u9020\u8cea\u91cf\u304c\u6700\u5f8c\u307e\u3067\u6b8b\u308b\u4e00\u6bb5\u306e\u4f8b\u3078\u305d\u306e\u307e\u307e\u5f53\u3066\u306f\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u63a8\u9032\u65b9\u5f0f\u3084\u8a2d\u8a08\u306e\u8aac\u660e\u3092\u8aad\u3080\u969b\u306f\u3001\u5fc5\u8981\u306a\u30c7\u30eb\u30bfV\u3001\u6709\u52b9\u6392\u6c17\u901f\u5ea6\u307e\u305f\u306f\u6bd4\u63a8\u529b\u3001\u71c3\u713c\u524d\u5f8c\u306e\u8cea\u91cf\u3001\u63a8\u529b\u3068\u71c3\u713c\u6642\u9593\u3001\u7121\u8996\u3057\u3066\u3044\u308b\u640d\u5931\u3092\u4e26\u3079\u3066\u898b\u308b\u3068\u6bd4\u8f03\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u300c\u63a8\u9032\u5264\u3092\u5897\u3084\u3059\u300d\u300c\u6b8b\u3059\u8cea\u91cf\u3092\u8efd\u304f\u3059\u308b\u300d\u300c\u6392\u6c17\u6761\u4ef6\u3092\u5909\u3048\u308b\u300d\u306f\u3001\u305d\u308c\u305e\u308c\u5225\u306e\u6761\u4ef6\u3092\u52d5\u304b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u51fa\u5178<\/h2>\n<ul>\n<li><a href=\"https:\/\/www1.grc.nasa.gov\/beginners-guide-to-aeronautics\/ideal-rocket-equation\/\">NASA Glenn Research Center, Ideal Rocket Equation<\/a>\u3002\u904b\u52d5\u91cf\u53ce\u652f\u304b\u3089\u306e\u7406\u60f3\u30ed\u30b1\u30c3\u30c8\u65b9\u7a0b\u5f0f\u3001\u521d\u671f\u30fb\u6700\u7d42\u8cea\u91cf\u3068\u901f\u5ea6\u5909\u5316\u306e\u95a2\u4fc2\u3002<\/li>\n<li><a href=\"https:\/\/www.grc.nasa.gov\/WWW\/k-12\/airplane\/specimp.html\">NASA Glenn Research Center, Specific Impulse<\/a>\uff08\u6700\u7d42\u66f4\u65b02021\u5e745\u670813\u65e5\uff09\u3002\u63a8\u529b\u3001\u6709\u52b9\u6392\u6c17\u901f\u5ea6\u3001\u6bd4\u63a8\u529b\u306e\u5b9a\u7fa9\u3002\u56f3\u3068\u6570\u5024\u4f8b\u306f\u4e0a\u8a18\u306e\u5f0f\u3092\u7528\u3044\u305f\u72ec\u81ea\u8a08\u7b97\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5b87\u5b99\u6a5f\u304c\u8ecc\u9053\u3092\u5909\u3048\u308b\u3068\u304d\u306b\u306f\u3001\u5fc5\u8981\u306a\u901f\u5ea6\u5909\u5316\u3092\u30c7\u30eb\u30bfV\uff08\u0394v\uff09\u3067\u8003\u3048\u307e\u3059\u3002\u3067\u306f\u3001\u305d\u306e\u5024\u30922\u500d\u306b\u3057\u305f\u3051\u308c\u3070\u3001\u63a8\u9032\u5264\u30822\u500d\u7a4d\u3081\u3070\u3088\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u7406\u60f3\u7684\u306a\u30ed\u30b1\u30c3\u30c8\u65b9\u7a0b\u5f0f\u3067\u306f\u3001\u305d\u3046\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u51fa\u767a\u6642\u306b\u306f\u3001\u5f8c\u3067\u4f7f\u3046\u63a8\u9032\u5264\u305d\u306e\u3082 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1424,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[280],"tags":[282],"class_list":["post-1426","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-space-astronomy","tag-rocket-propulsion"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-rocket-equation-mass-ratio-20261023-featured-33ef2ca7edb5.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1426","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1426"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1426\/revisions"}],"predecessor-version":[{"id":1427,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/1426\/revisions\/1427"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/1424"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1426"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1426"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1426"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}