作者查詢 / jckjck
作者 jckjck 在 PTT [ sky ] 看板的留言(推文), 共24則
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5F推:終於有比小時候看到的海爾波普彗星亮的彗星要來了!!09/26 22:49
12F推:原來機會號還活著 精神號都死一年半了 超強!!09/26 22:59
11F推:L4跟L5都不穩定,是否表示木星的特洛伊小行星會到處亂跑?06/26 02:01
45F推:上週李傑信博士的演講有提到930億ly,也提出平坦宇宙的概念06/18 23:04
14F推:這顆不知道會不會比海爾波普當年壯觀05/06 13:12
7F推:http://www.globalstarregistry.com/ 看到這網站有提供服務02/06 21:36
8F→:最便宜的只要108美元,不過不知道真的還是假的! 感覺很假02/06 21:37
9F推:而且他命名的是恆星喔! 感覺又更不真實了!02/06 21:40
7F推:距離恆星那麼近,恆星風的威力不是會把氣體吹走? 真難以想像01/31 14:52
25F推:因為你每天看太陽的時候,就把太陽當作固定的,然後地球自轉01/20 10:53
26F→:才讓你看到太陽在天空中東昇西落,所以跟黃道面沒關係01/20 10:54
15F推:北極發生極光時,南極也會同樣出現極光 會說北半球比較嚴重01/23 11:38
16F→:應該是因為南極圈內比較少住人吧,北極圈內國家較多01/23 11:39
1F推:視雙星:望遠鏡可觀測具有物理意義的雙星,光譜雙星:同一元素01/14 02:01
2F→:會出現兩條譜線,且譜線因都卜勒效應有週期性的反覆交叉運動01/14 02:02
3F→:食雙星:亮度會因凌或掩而有不同的差異,與變星都是固定不同01/14 02:03
4F推:天體測量雙星:恆星有週期性的繞轉運動,可能有看不到的伴星01/14 02:08