作者查詢 / mpcb
作者 mpcb 在 PTT [ sky ] 看板的留言(推文), 共141則
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全部TaiwanDrama1835ask-why1162Gossiping329movie292StupidClown268GIS254sky141BROADWAY111homemaker94EAseries91WOW87joke64ask48Liu40TBBT38StarTrek34nCoV201932ChungLi31Key_Mou_Pad31eat-disorder27Family21media-chaos21Eagles20NY-Yankees20Little-Games18BBSmovie16Roy16Deutsch14MingDow14pts13Ang_Lee12Wine11HatePolitics9HsinChuang8INSECT-928marvel8Ourmovies8Drama7Olympics_ISG7Kusan_89-3126Language6Militarylife6ToS_Match6MAJOR5YTHT5Aves4Boy-Girl4car-pool4FJU-ACCR944give4MLB4museum4TA_AN4Taoyuan4Baseball3BloodType3Fsm90-3173PttHistory3tcfsh69th3043Theater3VISA3WomenTalk3X-files3YOLO3AOE2BeanFlower2biker2CartoonNet2Coffee2cookclub2CSMUdancepub2dog2gallantry2Geography2Gintama2Golden-Award2heart2IA2Ju-882junji-ITO2MapleStory2memento2NCHU-AGR982NTHU_STAT942NTUmed912PC26th3182PttLifeLaw2rent-exp2SSSH-13th1072SuperBike2Tai-travel2ToS2TY_Research2ADS1ArakawaCow1B93303XXX1Bon_Jovi1C_Chat1cat1CCUfinGrad931CHITEE4UD90A1ck48th3191ck49th3101cksh81st3101CPU_FC7311CPU_PA7311creditcard1CSIE_Volley1CSMU-MED931CTSH923011CTSH943011CVS1Detective1ESP1FCAC1FITNESS1FJU-ACC91a1FJU-Chinese1FJU_ADY2K1FuHo17th3471Germany1Google1GreenParty1HC5th-3121HCHS603121HSNU_10581HSNU_11151HSNU_9461Hualien1In-Nco-97-2T1KenShin1kochikame1KS92-3111KS92-3151KS93-3041KS93-3161KS94-3011KS94-3021KS94-3181KS98-3021Ladies_Digi1Lions1MdnCNhistory1MGL-history1mud1Mudran1NCCU05_CHI1NCCU07_CHIS1NCHU-AGR011nCovPicket1NCUT-IM1NDHU-His951NDMC-D621NDMC-M101-B1NDMC-M1031NDMC-N561NetRumor1NIUECE911NSYSU-chi951NTNUch-961NTUE-EPC-981NTUE_Nse991NTUGIEE_EDA1NTUmusical1Oversea_Job1paranormal1pet1PoliceRadio1PSY_Baseball1PT-941PublicIssue1R923220PA1R951210XX1rabbit1Railway1scutran_city1share1SMGHS36th3041Social-2B1specialman1stationery1STDM-93-3031Stock1SYJH-88-3141Teacher1Tech_Job1TFG98Chung1TFSHS66th3071THU-CHEM941THU_BA20001TMU_GIMI931toberich1TribalWars1TTU-I90B1TTU-US941TunHua08t3171VibWang1YP90-3121YP94-3041Yup02-031<< 收起看板(200)
8F→:orion 是發射星雲(emission nebula) 他的顏色受譜線影響07/20 14:05
9F→:不同地方的顏色表示其化學成份不同 解析度差時會被smooth07/20 14:07
10F→:部份藍色區域是屬於反射區 藍光散射效率較高07/20 14:09
11F→:紅色區域主要是受恒星激發的氫游離區 主要譜線 Hα (656.3nm07/20 14:12
4F→:拿一顆球 把那幾條線畫上去 在面前模擬一下比較清楚05/08 08:13
10F→:民航機無主動雷達 TCAS無反應不代表一定沒事04/19 05:14
11F→:氣象雷達是另一種東西 不是拿來看飛機的04/19 05:15
2F→:不先跟成大那幾個做(類)天文的老師聊嗎 or cassini03/23 15:45
1F→:http://www.cwb.gov.tw/V7/knowledge/astronomy/sky.php10/10 17:20
2F→:地點重點 夠空 夠黑10/10 17:21
1F→:http://youtu.be/duoHtJpo4GY07/05 18:56
1F→:http://goo.gl/VUQA5 NASA page06/11 06:02
34F→:10幾顆這個數字是跟據模型算的 實際觀測需要新IR望遠鏡WFIRST05/19 23:56
35F→:www.nature.com/news/2011/110518/full/news.2011.303.html05/19 23:57
17F→:文章http://tinyurl.com/4htkykt02/15 08:43
22F推:http://www.nasa.gov/145590main_Digital_Media.asx11/16 01:37
26F推:簡單說 M100中的SN1979C是最年輕的黑洞11/16 01:40
29F→:chandra.harvard.edu/press/10_releases/press_111510.html11/16 01:46
30F→:文字稿(lag中)11/16 01:47
34F→:Error 1040 : Too many connections11/16 01:48
37F→:重點在於這是唯一一顆我們知道生日的黑洞11/16 01:49
65F推:15Mpc 原始質量約20M⊙ 黑洞質量約5M⊙ 4月4日爆發11/16 02:05
67F→:年齡那個問題是 現在說的年齡是指從我們看到至今所以說他31歲11/16 02:07
71F推:http://arxiv.org/PS_cache/arxiv/pdf/0912/0912.1571v3.pdf11/16 02:09
72F→:就是忽略實際光行時間的意思 有興趣的可以看上面epaper11/16 02:10
80F→:說50Mly 也沒錯 那還算是nearby 他並沒有說是nearest11/16 02:26