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sagitta

n. 天箭座

天箭座

WordNet (r) 3.0 (2006) (WordNet)

Sagitta
n 1: a small constellation in the northern hemisphere between
Cygnus and Aquila and crossed by the Milky Way
2: any arrowworm of the genus Sagitta

The Collaborative International Dictionary of English v.0.48 (gcide)

Sagitta \Sa*git"ta\, n. [L., an arrow.]
1. (Astron.) A small constellation north of Aquila; the
Arrow.
[1913 Webster]

2. (Arch.) The keystone of an arch. [R.] --Gwilt.
[1913 Webster]

3. (Geom.) The distance from a point in a curve to the chord;
also, the versed sine of an arc; -- so called from its
resemblance to an arrow resting on the bow and string.
[Obs.]
[1913 Webster]

4. (Anat.) The larger of the two otoliths, or ear bones,
found in most fishes.
[1913 Webster]

5. (Zool.) A genus of transparent, free-swimming marine worms
having lateral and caudal fins, and capable of swimming
rapidly. It is the type of the class Chaetognatha.
[1913 Webster]

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英文字典中文字典相关资料:

Sagitta - Wikipedia
Sagitta is a dim but distinctive constellation in the northern sky Its name is Latin for 'arrow', not to be confused with the significantly larger constellation Sagittarius 'the archer'
Sagitta Constellation – Constellation Guide
Sagitta (the Arrow) is a small but distinctive constellation in the northern sky It contains the globular cluster Messier 71 and the Necklace Nebula
Sagitta Constellation | Star Map Facts | Go Astronomy
Sagitta, Latin for "Arrow", is one of the smallest constellations in the night sky Despite its small size, this northern constellation has been recognized since antiquity and offers a variety of deep sky objects and astronomical phenomena for study
Sagitta - Enterprise-Class Agency Management for Insurance Business
Sagitta, an enterprise-class agency management solution for Insurance Business It supports complex and specialty lines of business, capabilities to advance accounting finance and secure data
Sagitta - noirlab. edu
Photo of the constellation Sagitta produced by NOIRLab in collaboration with Eckhard Slawik, a German astrophotographer The annotations are from a standardized set of 88 western IAU constellations and stick figures from Sky Telescope Please find here a non-annotated version of the image
Sagitta the Arrow lies inside the Summer Triangle - EarthSky
Even though the constellation of Sagitta the Arrow has been around since the 2nd century, it contains dim stars and is the third smallest of the 88 constellations Sagitta the Arrow is
Hawaiian Astronomical Society Deepsky Atlas - Sagitta
Each map can be clicked on to produce a 916x1200 version of it They sport red labels, which look good on screen, but which disappear when used with red flashlights Each map, therefore has a second link to a map better suited for printing in a graphics program, and using in the field
Sagitta | Stars, Milky Way, Summer Triangle | Britannica
Sagitta, constellation in the northern sky at about 20 hours right ascension and 20° north in declination Its brightest star is Gamma Sagittae, with a magnitude of 3 5
Sagitta - Learning The Stars
Despite being one of the smallest constellations in the entire night sky — ranking just 86th in size out of 88 — Sagitta holds a special charm It’s an ancient constellation, steeped in mythology, and it’s nestled in one of the richest starfields of the Milky Way

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