¬ÝªO: astronomy ¡· ¤Ñ¤åª¾ÃÑ ªO¥D: vega1 |
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µo«H¤H: glesses1991.bbs@ptt.cc (yo) ¬ÝªO: astronomy ¼Ð ÃD: [°ÝÃD] ¤Ñ¤å¾Ç°ÝÃD µo«H¯¸: §å½ð½ð¹ê·~ (2013/06/28 Fri 16:26:08) ³o¬O®v¤j¦a¬ì¨tÂà¾Ç¦Ò ¤Ñ¤å¾Ç³o¤@¬ìªº¦Ò¥jÃD ¦³¤@¨ÇµLªk¦bºô¸ô¤W§ä¨ìµª®× §Æ±æ¦³I´ºª¾ÃѪº¤H¥i¥HÀ°¦£´£¨Ñµª®×©Î¨£¸Ñ :)¸U¤À·PÁÂ! 1.the structure of a comet can be described in five distinguishable parts.list these five components in order of their physical size. (¥L¬On°Ýµ²ºc¶Ü?³o¼Ëªº¸Ü¨º´N¬O¼z®Ö.¼z“º.¼z§ÀÅo?) 2.a particular star in a binary star system orbits the other in an elliptical orbit with a semi-major axis 3AU and a period of 5 years.what is the sum of the masses of the two stars in the system? 3'¾ò¶ê¬P¨tªº½è¶q³q±`¤j©óÁ³±Û¬P¨t,¦Ó¤j½è¶q«í¬P¤]¸û®e©ö¦b¾ò¶ê¬PÀ¸¤¤µo²{'(1)¥H¤W¾ò¶ê»PÁ³±Û¬P¨tªº¤ñ¸û¬O§_¥¿½T?(2)¨Ì¾Ú¨äµª®×¸ÑÄÀ¬°¦ó¬P¨tªº§Îª¬·|©M1.¬P¨tªº½è¶q©M2.²Õ¦¨«í¬Pªº½è¶q¦³Ãö(©ÎµLÃö) (§Ú°Oªº¦³¤@ӦѮv»¡³o¬O¥¿½Tªº,¦ý¬O§Úı±o¦³ÂI©_©Ç ¦]¬°¬õ¦â¤]´N¬O¸û·tªº«í¬P ¥L¤£¬O¤ñ¸û»´¶Ü?¦Ó¾ò¶ê¬P¨t¸Ì¬O³oÃþªº«í¬P,©Ò¥H½è¶qÀ³¸Ó¬O¤ñ¸û»´ªº¤£¬O¶Ü?) -- ¡° µo«H¯¸: §å½ð½ð¹ê·~§{(ptt.cc) ¡» From: 140.119.120.1 |
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