The angular distance to a point on a celestial object, measured north or south from the celestial equator.

赤緯到達某天體一點的角距99视频色老永久免费，從天體赤道向北或向南測量得出

Astronomy the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day .

從天頂交叉口向西順著天赤道測量的一個角距離95精品视频；對在一個特定的地點和特定的時間觀測者來說是赤經(jīng)。

Either of two points on the celestial sphere at which the ecliptic intersects the celestial equator.

在天球上天赤道與黃道相切的兩點中的任一點桃花AV色站导航。

The angular distance along the celestial equator from the observer's meridian to the hour circle of a given celestial body.

從觀測者所在的子午線到給定天體的子午線沿著天赤道的角距離麻豆国产AV无码精品一区二区。

Astronomy the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day.

從天頂交叉口向西順著天赤道測量的一個角距離；對在一個特定的地點和特定的時間觀測者來說是赤經(jīng)99.riav.com。機會難得婬片A片AAA毛片啊！足額穩(wěn)定綠色激光筆團購！

Sadalmelik is only one of two stars with ancient proper names to lie within a degree of the celestial equator (the circle in the sky that runs from exactly east to west and lies directly above the equator of the Earth), the other Mintaka in Orion (Orion's right-hand belt star), although Porrima Virgo comes close.

Sadalmelik這個名字是自古沿用至今的欧美激情乱人伦在线观看，而且這樣的星名也只有兩個免费久久网站，它們都與天赤道成一定角度--天赤道就是將地球的赤道面無限延伸后和天球相交的大圓圈，其方向為自東向西www.看黄片免费。另一個是獵戶座δ星Mintaka--位于獵戶右手帶子上--盡管處女座γ星Porrima靠近她亚洲一区二区三区四区看片在线播放，卻沒有這種榮耀。

Either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length 2: either of the two celestial points at which the celestial equator intersects the ecliptic.

每年太陽會越過地球赤道亚洲最大黄色网址，此時白天與黑夜長度均等日韩二区视频。2、赤道在這2個天相點上交叉出現(xiàn)日食亚洲专区欧美社区。

Latin:"Balance", in astronomy, zodiacal constellation lying between Scorpius and Virgo, at about 15 hours 30 minutes right ascension (the coordinate on the celestial sphere analogous to longitude on the Earth) and 15° south declination (angular distance south of the celestial equator).

從天文學上說www黄ww淫，天秤座，黃道星座强奷年轻貌美女教师在线观看，位于天蝎座和處女座之間A级片一区二区，約位于赤經(jīng)15時30分（類似于地球經(jīng)度的一種天球坐標），南赤緯15度就去干黄色激情图片小说。

Astronomers also need to have accurate definitions for concepts such as the celestial equator — the imaginary line on the sky above the equator on Earth — and the ecliptic — the path of the Sun across the sky — as some earlier reference frames were based on these.

天文學家還需要有諸如天球赤道的概念国产69AV视频，準確的定義-關于地球赤道上方的天空假想線-和黃道-太陽在天空的道路-一些早期的參考幀是在此基礎。

Actually a composite of 300 consecutive 1-minute exposures, the image nicely shows stars near the celestial equator tracing nearly straight lines in projection, while stars north and south of the equator, respectively, appear to circle the north and south celestial poles .

上圖實際上是一300幅連續(xù)1分鐘抓拍的合成圖像亚洲91网视频在线播放，顯示出了接近天赤道附近的恒星軌跡投影近乎直線亚洲最大天堂在线观看视频，而天赤道南北的恒星軌跡，分別顯示為環(huán)向南部和北部天極的弧形www.尤物。