"\uD68C\uD569 \uC8FC\uAE30(synodic period)\uB294 \uC9C0\uAD6C\uC758 \uAD00\uCE21\uC790\uAC00 \uBCF4\uC558\uC744 \uB54C \uD589\uC131\uACFC \uB2EC \uB610\uB294 \uC9C0\uAD6C\uB97C \uC120\uD68C(\u65CB\u56DE)\uD558\uB294 \uC778\uACF5\uC704\uC131\uCC98\uB7FC \uD0DC\uC591\uACC4\uC5D0 \uC18D\uD55C \uCC9C\uCCB4\uAC00 \uD0DC\uC591\uC5D0 \uB300\uD574\uC11C \uAC19\uAC70\uB098 \uAC70\uC758 \uAC19\uC740 \uC0C1\uB300\uC704\uCE58\uB85C \uB3CC\uC544\uC624\uB294 \uB370 \uAC78\uB9AC\uB294 \uC2DC\uAC04\uC774\uB2E4. \uD68C\uD569\uC8FC\uAE30\uB294 \uC9C0\uAD6C\uC640 \uB2E4\uB978 \uD589\uC131\uAC04\uC758 \uD569\uC5D0\uC11C \uB2E4\uC74C \uD569\uAE4C\uC9C0, \uCDA9\uC5D0\uC11C \uB2E4\uC74C \uCDA9\uAE4C\uC9C0\uC758 \uC2DC\uAC04\uC744 \uB9D0\uD558\uBA70, \uACF5\uC804 \uC8FC\uAE30\uB294 \uC544\uC2DC\uB2E4\uC2DC\uD53C \uD589\uC131\uC774 \uD0DC\uC591\uC744 \uD55C\uBC14\uD034 \uB3C4\uB294 \uC2DC\uAC04\uC744 \uACF5\uC804 \uC8FC\uAE30\uB77C \uD55C\uB2E4. \uC5B4\uB5A4 \uB450 \uD589\uC131\uC758 \uD68C\uD569\uC8FC\uAE30\uB294 \uAC01\uAC01\uC758 \uD589\uC131\uC758 \uACF5\uC804\uC8FC\uAE30\uC640 \uAD00\uACC4\uAC00 \uC788\uB2E4. \uC548\uCABD \uD589\uC131\uC758 \uACF5\uC804\uC8FC\uAE30\uAC00 A\uC774\uACE0, \uBC14\uAE65\uCABD \uD589\uC131\uC758 \uACF5\uC804\uC8FC\uAE30\uAC00 B\uB77C\uACE0 \uD560 \uB54C, \uC774 \uB450 \uD589\uC131\uC758 \uD68C\uD569\uC8FC\uAE30\uB97C P\uB77C\uACE0 \uD558\uC790. \uC548\uCABD\uC758 \uD589\uC131\uC740 \uBC14\uAE65\uCABD\uC758 \uD589\uC131\uBCF4\uB2E4 \uACF5\uC804 \uC18D\uB3C4\uAC00 \uBE60\uB974\uAE30 \uB54C\uBB38\uC5D0 \uD558\uB8FB\uB3D9\uC548 \uC548\uCABD\uC758 \uD589\uC131\uC740 \uB354 \uB9CE\uC740 \uAC01\uB3C4\uB97C \uC774\uB3D9\uD558\uAC8C \uB418\uB294\uB370, \uC548\uCABD\uC758 \uD589\uC131\uC774 \uD558\uB8FB\uB3D9\uC548 360\uB3C4/A\uB9CC\uD07C, \uBC14\uAE65\uCABD \uD589\uC131\uC774 360\uB3C4/B\uB9CC\uD07C \uC774\uB3D9\uD558\uACE0 \uADF8 \uCC28\uC774\uB294 360\uB3C4/A-360\uB3C4/B\uAC00 \uB41C\uB2E4. \uADF8\uB7F0\uB370 \uB450 \uD589\uC131\uC758 \uD68C\uD569\uC8FC\uAE30\uB9CC\uD07C \uC9C0\uB09C \uB4A4\uC5D0\uB294 \uC704\uC758 \uCC28\uC774\uAC00 \uC815\uD655\uD788 360\uB3C4\uAC00 \uB41C\uB2E4. 360\uB3C4 \uCC28\uC774\uAC00 \uB098\uC57C\uB9CC \uB450 \uD589\uC131\uC774 \uB2E4\uC2DC \uD68C\uD569\uD558\uB294 \uAC83\uC774\uAE30 \uB54C\uBB38\uC774\uB2E4. \uADF8\uB798\uC11C (360\uB3C4/A-360\uB3C4/B)*P=360\uB3C4 \uAC00 \uB41C\uB2E4. \uC591\uBCC0\uC744 360\uB3C4\uB85C \uB098\uB204\uAC8C \uB418\uBA74 (1/A-1/B)*P=1 \uC989 1/A-1/B=1/P \uC774\uB77C\uB294 \uACF5\uC2DD\uC774 \uC644\uC131\uB41C\uB2E4. \uC774 \uACF5\uC2DD\uC744 \uD1B5\uD574\uC11C \uC61B\uB0A0 \uC0AC\uB78C\uB4E4\uC740 \uB2E4\uB978 \uD589\uC131\uC758 \uACF5\uC804 \uC8FC\uAE30\uB97C \uC54C\uC544\uB0C8\uB2E4. \uC9C0\uAD6C\uC758 \uACF5\uC804\uC8FC\uAE30\uB294 365\uC77C\uC774\uACE0 \uD68C\uD569\uC8FC\uAE30\uB294 \uC9C1\uC811 \uCE21\uC815\uD560 \uC218 \uC788\uAE30 \uB54C\uBB38\uC5D0 \uC774 \uBC29\uC2DD\uC744 \uC774\uC6A9\uD574 \uB2E4\uB978 \uD589\uC131\uC758 \uACF5\uC804\uC8FC\uAE30\uB97C \uC27D\uAC8C \uAD6C\uD560 \uC218 \uC788\uC5C8\uB2E4. \uBD84\uB958:\uC2DC\uAC04 \uBD84\uB958:\uADA4\uB3C4"@ko . . "\uD68C\uD569 \uC8FC\uAE30(synodic period)\uB294 \uC9C0\uAD6C\uC758 \uAD00\uCE21\uC790\uAC00 \uBCF4\uC558\uC744 \uB54C \uD589\uC131\uACFC \uB2EC \uB610\uB294 \uC9C0\uAD6C\uB97C \uC120\uD68C(\u65CB\u56DE)\uD558\uB294 \uC778\uACF5\uC704\uC131\uCC98\uB7FC \uD0DC\uC591\uACC4\uC5D0 \uC18D\uD55C \uCC9C\uCCB4\uAC00 \uD0DC\uC591\uC5D0 \uB300\uD574\uC11C \uAC19\uAC70\uB098 \uAC70\uC758 \uAC19\uC740 \uC0C1\uB300\uC704\uCE58\uB85C \uB3CC\uC544\uC624\uB294 \uB370 \uAC78\uB9AC\uB294 \uC2DC\uAC04\uC774\uB2E4. \uD68C\uD569\uC8FC\uAE30\uB294 \uC9C0\uAD6C\uC640 \uB2E4\uB978 \uD589\uC131\uAC04\uC758 \uD569\uC5D0\uC11C \uB2E4\uC74C \uD569\uAE4C\uC9C0, \uCDA9\uC5D0\uC11C \uB2E4\uC74C \uCDA9\uAE4C\uC9C0\uC758 \uC2DC\uAC04\uC744 \uB9D0\uD558\uBA70, \uACF5\uC804 \uC8FC\uAE30\uB294 \uC544\uC2DC\uB2E4\uC2DC\uD53C \uD589\uC131\uC774 \uD0DC\uC591\uC744 \uD55C\uBC14\uD034 \uB3C4\uB294 \uC2DC\uAC04\uC744 \uACF5\uC804 \uC8FC\uAE30\uB77C \uD55C\uB2E4. \uC5B4\uB5A4 \uB450 \uD589\uC131\uC758 \uD68C\uD569\uC8FC\uAE30\uB294 \uAC01\uAC01\uC758 \uD589\uC131\uC758 \uACF5\uC804\uC8FC\uAE30\uC640 \uAD00\uACC4\uAC00 \uC788\uB2E4. \uC548\uCABD \uD589\uC131\uC758 \uACF5\uC804\uC8FC\uAE30\uAC00 A\uC774\uACE0, \uBC14\uAE65\uCABD \uD589\uC131\uC758 \uACF5\uC804\uC8FC\uAE30\uAC00 B\uB77C\uACE0 \uD560 \uB54C, \uC774 \uB450 \uD589\uC131\uC758 \uD68C\uD569\uC8FC\uAE30\uB97C P\uB77C\uACE0 \uD558\uC790. \uC548\uCABD\uC758 \uD589\uC131\uC740 \uBC14\uAE65\uCABD\uC758 \uD589\uC131\uBCF4\uB2E4 \uACF5\uC804 \uC18D\uB3C4\uAC00 \uBE60\uB974\uAE30 \uB54C\uBB38\uC5D0 \uD558\uB8FB\uB3D9\uC548 \uC548\uCABD\uC758 \uD589\uC131\uC740 \uB354 \uB9CE\uC740 \uAC01\uB3C4\uB97C \uC774\uB3D9\uD558\uAC8C \uB418\uB294\uB370, \uC548\uCABD\uC758 \uD589\uC131\uC774 \uD558\uB8FB\uB3D9\uC548 360\uB3C4/A\uB9CC\uD07C, \uBC14\uAE65\uCABD \uD589\uC131\uC774 360\uB3C4/B\uB9CC\uD07C \uC774\uB3D9\uD558\uACE0 \uADF8 \uCC28\uC774\uB294 360\uB3C4/A-360\uB3C4/B\uAC00 \uB41C\uB2E4. \uADF8\uB7F0\uB370 \uB450 \uD589\uC131\uC758 \uD68C\uD569\uC8FC\uAE30\uB9CC\uD07C \uC9C0\uB09C \uB4A4\uC5D0\uB294 \uC704\uC758 \uCC28\uC774\uAC00 \uC815\uD655\uD788 360\uB3C4\uAC00 \uB41C\uB2E4. 360\uB3C4 \uCC28\uC774\uAC00 \uB098\uC57C\uB9CC \uB450 \uD589\uC131\uC774 \uB2E4\uC2DC \uD68C\uD569\uD558\uB294 \uAC83\uC774\uAE30 \uB54C\uBB38\uC774\uB2E4. \uADF8\uB798\uC11C (360\uB3C4/A-360\uB3C4/B)*P=360\uB3C4 \uAC00 \uB41C\uB2E4. \uC591\uBCC0\uC744 360\uB3C4\uB85C \uB098\uB204\uAC8C \uB418\uBA74 (1/A-1/B)*P=1"@ko . "\uD68C\uD569 \uC8FC\uAE30"@ko . .