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- 天箭座U型星U Sagittae
- 天箭座Ｕ型星U Sagittae
- 天箭座sagitta
- 座to sit
- 天箭星座Sagitta
- U型U shape
- 天箭蟲(chóng)屬的各種箭蟲(chóng)。any arrowworm of the genus Sagitta.
- 白羊座Aries
- 雙子U型星U Gem star
- U型殼U - shell
- 北天球天鵝星座和天箭星座附近的一個(gè)星座a constellation in the celestial Northern Hemisphere near Cygnus and Sagitta
- 不同光譜型星的起源必然是不一樣的。The origins of stars of differing spectral types must be dissimilar.
- U型槽U -Shape Groove
- Ａ型星A star
- U型箍U-ferrule
- 本文給出了再發(fā)新星天箭WZ1978年爆發(fā)期間,應用北京天文臺興隆站的40/200厘米雙筒天體照相儀于1978年12月6日到25日對其所做的照相觀(guān)測結果。Photographic observations of the recurrent nova WZ Sge have been carried out,at Beijing Observatory, using the 40/200 cm double astrograph with the Eastman Kodak 103a O plates wi-thout filter, during the recent outburst of WZ Sge, from Dec. 6 to 25, 1978. All plates were measured by an iris photometer, and the photographic magnitudes were calibrated by the-stars in the selected area.
- 北冕R型星R CrB star
- U型拉槽U cutting
- 哈雷彗星和晚型星系統內羥基源觀(guān)測特性的探討STUDY OF OBSERVING PROPERTIES OF OH SOURCES IN HALLEYS COMET AND LATE-TYPE STAR SYSTEMS
- U型擋板U stop prate
