. "\uB85C\uCF13"@ko . "[[\uADF8\uB9BC:Goddard and Rocket.jpg|thumb|\uB85C\uBC84\uD2B8 \uACE0\uB2E4\uB4DC\uC640 \uADF8\uC758 \uCCAB \uC561\uCCB4\uC5F0\uB8CC \uB85C\uCF13]] \uB85C\uCF13(rocket)\uC740 \uBC30\uCD9C \uAC00\uC2A4\uB97C \uBE60\uB974\uAC8C \uBD84\uC0AC\uD568\uC73C\uB85C\uC368 \uADF8 \uBC18\uC791\uC6A9\uC73C\uB85C \uCD94\uB825\uC744 \uC5BB\uB294 \uBE44\uD589\uCCB4\uB97C \uB9D0\uD55C\uB2E4.\uC885\uC885 \uB85C\uCF13\uC740 \uACE0\uC628 \uACE0\uC555\uC758 \uAC00\uC2A4\uB97C \uBC1C\uC0DD\u00B7\uBD84\uCD9C\uC2DC\uCF1C \uADF8 \uBC18\uB3D9\uC73C\uB85C \uCD94\uC9C4\uD558\uB294 \uC7A5\uCE58 '\uB85C\uCF13 \uC5D4\uC9C4'\uC744 \uC9C0\uCE6D\uD558\uB294 \uB9D0\uB85C\uB3C4 \uC4F0\uC778\uB2E4. \uAD70\uC0AC\uC801\uC73C\uB85C\uB294 \uD0C4\uB450\uB97C \uC2E3\uACE0 \uC801\uC758 \uC8FC\uC694 \uAC74\uBB3C, \uAE30\uC9C0\uB4F1\uC744 \uD0C0\uACA9\uD558\uAE30 \uC704\uD574 \uBC1C\uC0AC\uD558\uB294 \uBBF8\uC0AC\uC77C \uC911 \uACE0\uCCB4 \uCD94\uC9C4\uC81C\uB97C \uC0AC\uC6A9\uD558\uACE0 \uBE44\uC720\uB3C4 \uBC29\uC2DD\uC758 \uBBF8\uC0AC\uC77C\uC5D0 \uD55C\uC815\uD558\uC5EC \uC0AC\uC6A9\uD558\uAE30\uB3C4 \uD55C\uB2E4. \uB85C\uCF13\uC740 \uCD94\uB825\uC744 \uC5BB\uB294 \uBC29\uC2DD\uC5D0 \uB530\uB77C \uD654\uD559\uCD94\uC9C4\uBC29\uC2DD\uACFC \uBE44\uD654\uD559 \uCD94\uC9C4\uBC29\uC2DD\uC73C\uB85C \uD06C\uAC8C \uAD6C\uBD84\uD560 \uC218 \uC788\uC73C\uBA70 \uC774 \uB458\uC744 \uD568\uAED8 \uC0AC\uC6A9\uD558\uB294 \uACBD\uC6B0\uB3C4 \uC788\uB2E4. \uD654\uD559\uCD94\uC9C4\uBC29\uC2DD\uC758 \uACBD\uC6B0, \uC5D0\uB108\uC9C0\uC6D0\uC73C\uB85C \uCD94\uC9C4\uC81C(propellant)\uC640 \uC0B0\uD654\uC81C(oxidizer)\uB97C \uAC19\uC774 \uC2E3\uACE0 \uC788\uC73C\uBA70, \uC774\uB97C \uC5F0\uC18C\uC2E4(chamber) \uB0B4\uC5D0\uC11C \uC5F0\uC18C\uC2DC\uCF1C \uBC30\uCD9C \uAC00\uC2A4\uB97C \uB178\uC990(nozzle)\uC744 \uD1B5\uD574 \uCD08\uC74C\uC18D\uC73C\uB85C \uBC30\uCD9C\uD568\uC73C\uB85C\uC368 \uADF8 \uBC18\uC791\uC6A9\uC73C\uB85C \uAE30\uCCB4\uB97C \uAC00\uC18D\uD55C\uB2E4. \uC2E4\uC6A9\uC801\uC778 \uBA74\uC5D0\uC11C \uB85C\uCF13\uC73C\uB85C\uB294 \uC801\uB2F9\uD558\uC9C0 \uC54A\uC9C0\uB9CC \uD559\uC2B5\uC6A9\uC73C\uB85C \uBB3C\uB85C\uCF13(bottle rocket) \uC774 \uC0AC\uC6A9\uB41C\uB2E4. \uB85C\uCF13\uC740 \uAC00\uC18D\uBFD0 \uC544\uB2C8\uB77C \uADA4\uB3C4 \uBCC0\uACBD, \uCC29\uB959\uC744 \uC704\uD55C \uADA4\uB3C4\uC774\uD0C8, \uACF5\uAE30\uAC00 \uC5C6\uB294 \uACF3\uC5D0\uC11C \uCC29\uB959\uC2DC \uAC10\uC18D\uC744 \uC704\uD55C \uC6A9\uB3C4\uB85C\uB3C4 \uC4F0\uC778\uB2E4."@ko . . "[[\uADF8\uB9BC:Goddard and Rocket.jpg|thumb|\uB85C\uBC84\uD2B8 \uACE0\uB2E4\uB4DC\uC640 \uADF8\uC758 \uCCAB \uC561\uCCB4\uC5F0\uB8CC \uB85C\uCF13]] \uB85C\uCF13(rocket)\uC740 \uBC30\uCD9C \uAC00\uC2A4\uB97C \uBE60\uB974\uAC8C \uBD84\uC0AC\uD568\uC73C\uB85C\uC368 \uADF8 \uBC18\uC791\uC6A9\uC73C\uB85C \uCD94\uB825\uC744 \uC5BB\uB294 \uBE44\uD589\uCCB4\uB97C \uB9D0\uD55C\uB2E4.\uC885\uC885 \uB85C\uCF13\uC740 \uACE0\uC628 \uACE0\uC555\uC758 \uAC00\uC2A4\uB97C \uBC1C\uC0DD\u00B7\uBD84\uCD9C\uC2DC\uCF1C \uADF8 \uBC18\uB3D9\uC73C\uB85C \uCD94\uC9C4\uD558\uB294 \uC7A5\uCE58 '\uB85C\uCF13 \uC5D4\uC9C4'\uC744 \uC9C0\uCE6D\uD558\uB294 \uB9D0\uB85C\uB3C4 \uC4F0\uC778\uB2E4. \uAD70\uC0AC\uC801\uC73C\uB85C\uB294 \uD0C4\uB450\uB97C \uC2E3\uACE0 \uC801\uC758 \uC8FC\uC694 \uAC74\uBB3C, \uAE30\uC9C0\uB4F1\uC744 \uD0C0\uACA9\uD558\uAE30 \uC704\uD574 \uBC1C\uC0AC\uD558\uB294 \uBBF8\uC0AC\uC77C \uC911 \uACE0\uCCB4 \uCD94\uC9C4\uC81C\uB97C \uC0AC\uC6A9\uD558\uACE0 \uBE44\uC720\uB3C4 \uBC29\uC2DD\uC758 \uBBF8\uC0AC\uC77C\uC5D0 \uD55C\uC815\uD558\uC5EC \uC0AC\uC6A9\uD558\uAE30\uB3C4 \uD55C\uB2E4. \uB85C\uCF13\uC740 \uCD94\uB825\uC744 \uC5BB\uB294 \uBC29\uC2DD\uC5D0 \uB530\uB77C \uD654\uD559\uCD94\uC9C4\uBC29\uC2DD\uACFC \uBE44\uD654\uD559 \uCD94\uC9C4\uBC29\uC2DD\uC73C\uB85C \uD06C\uAC8C \uAD6C\uBD84\uD560 \uC218 \uC788\uC73C\uBA70 \uC774 \uB458\uC744 \uD568\uAED8 \uC0AC\uC6A9\uD558\uB294 \uACBD\uC6B0\uB3C4 \uC788\uB2E4. \uD654\uD559\uCD94\uC9C4\uBC29\uC2DD\uC758 \uACBD\uC6B0, \uC5D0\uB108\uC9C0\uC6D0\uC73C\uB85C \uCD94\uC9C4\uC81C(propellant)\uC640 \uC0B0\uD654\uC81C(oxidizer)\uB97C \uAC19\uC774 \uC2E3\uACE0 \uC788\uC73C\uBA70, \uC774\uB97C \uC5F0\uC18C\uC2E4(chamber) \uB0B4\uC5D0\uC11C \uC5F0\uC18C\uC2DC\uCF1C \uBC30\uCD9C \uAC00\uC2A4\uB97C \uB178\uC990(nozzle)\uC744 \uD1B5\uD574 \uCD08\uC74C\uC18D\uC73C\uB85C \uBC30\uCD9C\uD568\uC73C\uB85C\uC368 \uADF8 \uBC18\uC791\uC6A9\uC73C\uB85C \uAE30\uCCB4\uB97C \uAC00\uC18D\uD55C\uB2E4. \uBE44\uD654\uD559 \uCD94\uC9C4\uBC29\uC2DD\uC73C\uB85C\uB294 \uC804\uAE30\uCD94\uC9C4\uB85C\uCF13, \uC99D\uAE30 \uCD94\uC9C4 \uB85C\uCF13(steam powered rocket)\uC774\uB098 \uD575 \uCD94\uC9C4 \uB85C\uCF13(nuclear powered rocket)\uB3C4 \uC788\uB2E4. \uC804\uAE30\uCD94\uC9C4\uB85C\uCF13\uC740 \uC5D0\uB108\uC9C0\uC6D0\uC73C\uB85C \uC804\uAE30\uB97C \uC0AC\uC6A9\uD558\uBA70 \uC774\uB97C \uC5BB\uB294 \uBC29\uBC95\uC5D0 \uB530\uB77C \uB2E4\uC2DC \uD0DC\uC591\uC804\uC9C0, \uC6D0\uC790\uB825\uBC1C\uC804\uB4F1\uC73C\uB85C \uAD6C\uBD84\uD560\uC218 \uC788\uB2E4.\uC99D\uAE30 \uCD94\uC9C4 \uB85C\uCF13\uC740 \uACFC\uC5F4 \uC99D\uAE30\uB97C \uBD84\uC0AC\uD558\uC5EC \uCD94\uB825\uC744 \uC5BB\uC73C\uBA70 \uCD94\uC9C4\uC81C\uC778 \uBB3C\uC774 \uAD6C\uD558\uAE30 \uC27D\uACE0 \uC548\uC804\uD558\uB2E4\uB294 \uC7A5\uC810\uC774 \uC788\uB294 \uBC18\uBA74 \uD6A8\uC728\uC774 \uB0AE\uB2E4. \uD575 \uCD94\uC9C4 \uB85C\uCF13\uC740 \uB0C9\uC804 \uAE30\uAC04 \uC911 \uBBF8\uAD6D\uC5D0\uC11C \uB300\uB959\uAC04 \uD0C4\uB3C4 \uBBF8\uC0AC\uC77C(ICBM)\uC6A9\uC73C\uB85C \uC5F0\uAD6C\uD558\uC600\uC73C\uB098 \uD654\uD559\uCD94\uC9C4\uB85C\uCF13\uC774 \uBAA9\uC801\uD558\uB294 \uC131\uB2A5\uC744 \uB2EC\uC131\uD558\uBA74\uC11C \uACC4\uD68D\uC774 \uD3EC\uAE30\uB418\uC5C8\uB2E4. \uBE44\uD654\uD559 \uCD94\uC9C4\uBC29\uC2DD\uC740 \uADF8\uB7EC\uB098 \uD654\uD559\uCD94\uC9C4\uB85C\uCF13\uC5D0 \uBE44\uD558\uC5EC \uC5BB\uC744 \uC218 \uC788\uB294 \uCD94\uB825\uC774 \uB9E4\uC6B0 \uB0AE\uC544 \uC2E4\uC6A9\uD654 \uB418\uC9C0\uB294 \uC54A\uC558\uC9C0\uB9CC \uCD5C\uADFC\uC5D0 \uC77C\uBD80 \uC6B0\uC8FC\uC120\uC5D0 \uC4F0\uC774\uACE0 \uC788\uB2E4. \uC2E4\uC6A9\uC801\uC778 \uBA74\uC5D0\uC11C \uB85C\uCF13\uC73C\uB85C\uB294 \uC801\uB2F9\uD558\uC9C0 \uC54A\uC9C0\uB9CC \uD559\uC2B5\uC6A9\uC73C\uB85C \uBB3C\uB85C\uCF13(bottle rocket) \uC774 \uC0AC\uC6A9\uB41C\uB2E4. \uB85C\uCF13\uC740 \uAC00\uC18D\uBFD0 \uC544\uB2C8\uB77C \uADA4\uB3C4 \uBCC0\uACBD, \uCC29\uB959\uC744 \uC704\uD55C \uADA4\uB3C4\uC774\uD0C8, \uACF5\uAE30\uAC00 \uC5C6\uB294 \uACF3\uC5D0\uC11C \uCC29\uB959\uC2DC \uAC10\uC18D\uC744 \uC704\uD55C \uC6A9\uB3C4\uB85C\uB3C4 \uC4F0\uC778\uB2E4. \uB85C\uCF13\uC774 \uB2E4\uB978 \uC81C\uD2B8 \uC5D4\uC9C4\uC5D0 \uBE44\uD574 \uC720\uB9AC\uD55C \uC810\uC740 \uBC30\uCD9C \uAC00\uC2A4\uC758 \uC18D\uB3C4\uC640 \uD06C\uAE30\uAC00 \uD06C\uAE30 \uB54C\uBB38\uC5D0 \uACE0\uC18D\uC5D0 \uC720\uB9AC\uD558\uB2E4\uB294 \uAC83\uC774\uB2E4. \uB9C8\uD558 10 \uC774\uC0C1\uC774\uBA74 \uB85C\uCF13\uC774 \uC6B4\uC6A9\uD560 \uC218 \uC788\uB294 \uC720\uB9AC\uD55C \uCD94\uC9C4 \uBC29\uBC95\uC774\uACE0 \uC9C0\uAD6C \uADA4\uB3C4 \uC18D\uB3C4(\uB9C8\uD558 25)\uC5D0 \uC774\uB97C \uC218 \uC788\uB294 \uBC29\uBC95\uC740 \uD604\uC2E4\uC801\uC73C\uB85C \uB85C\uCF13\uC774 \uC720\uC77C\uD558\uB2E4. \uB610\uD55C \uB85C\uCF13\uC758 \uC720\uC77C\uD55C \uC7A5\uC810\uC73C\uB85C\uB294 \uC0B0\uC18C\uAC00 \uC5C6\uB294 \uACF3\uC5D0\uC11C \uC791\uB3D9\uC774 \uAC00\uB2A5\uD558\uB2E4\uB294 \uAC83\uC774\uB2E4. \uB85C\uCF13\uC740 \uB300\uAE30\uAD8C \uBC16\uC5D0\uC11C \uC6B4\uC6A9\uD560 \uB54C \uC0B0\uD654\uC81C\uB97C \uD568\uAED8 \uC801\uC7AC\uD558\uC5EC \uCD94\uC9C4\uC81C\uB97C \uC5F0\uC18C\uC2DC\uD0A8\uB2E4. \uB85C\uCF13\uC774 \uB0BC \uC218 \uC788\uB294 \uC18D\uB3C4\uB294 \uB85C\uCF13 \uBC29\uC815\uC2DD\uC73C\uB85C \uACC4\uC0B0\uD560 \uC218 \uC788\uB2E4. \uC774 \uC2DD\uC744 \uD1B5\uD574 \uBC30\uCD9C \uAC00\uC2A4 \uC18D\uB3C4\uC5D0 \uB300\uD55C \uC18D\uB3C4 \uCC28\uC774(delta-v)\uC640 \uCD08\uAE30 \uC911\uB7C9\uACFC \uCD5C\uC885 \uC911\uB7C9\uC758 \uBE44(mass ratio)\uB97C \uAD6C\uD560 \uC218 \uC788\uB2E4. \uC774 \uB450\uAC00\uC9C0 \uAC12\uC740 \uB85C\uCF13\uC758 \uC81C\uC6D0\uC774\uB098 \uAE30\uC220\uC744 \uC11C\uC220\uD560 \uB54C \uC9C0\uB8CC\uB85C\uC11C \uC790\uC8FC \uC0AC\uC6A9\uB41C\uB2E4."@ko . . . .