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references for fairly factual features about stars that have their own articles. I know this article should stand alone and be verifiable, but its just an idea. I don't know how much less scary it would actually make things. The other thought is the margins of error on (nearly) everything. The differing plus and minus ranges in particular cause line spacing issues and are not the sort of things that encourage the average reader. Some constellation articles (eg.
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Theta. It is a borderline naked-eye star with two companions well below naked-eye visibility. There is nothing there that adds or detracts from the fact that it was and is called Theta Sge. HR 7705 is one of the three and the other two have separate designations. Should the sentence be dropped? Is it trying to make some point that I have missed? If it is making some special point, does it need a citation?
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them, whence the title
Herculea." appears to have derived from R.H. Allen's "Star Names: Their Lore and Meaning" (1899), which it paraphrases closely. However, Allen gives no attribution to this claim, stating merely: "(Sagitta)...has been regarded as the traditional weapon...shot by Hercules toward the adjacent Stymphalian birds..."
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jumped out as unreadable due to a combination of a lot of numbers, symbols, and inline references. It is also quite a large section without any quick-reference points, so you're faced with just reading it from start to finish to see what's going on. One possibility is to reduce the number of inline
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I changed the reference to Orion as violating the Bayer rule of naming the stars in order of brightness into
Sagittarius as Orion actually conforms rather well with Beta only being slightly brighter than Alpha and Alpha being variable and possibly brighter when Bayer named them. Sagittarius however
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The text describes how Theta Sge was originally seen as a single star but now known to be three that are called HR 7705? This is a rather strange statement, especially in the lead of the stars section. Several of the constellation's main stars are multiple and I'm not sure what is special about
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The sentence "Others believe the Arrow to be the one shot by
Hercules towards the adjacent Stymphalian birds (6th labor) who had claws, beaks and wings of iron, and who lived on human flesh in the marshes of Arcadia - Aquila the Eagle and Cygnus the Swan, and the Vulture - and still lying between
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The lead (and the starbox) states that two stars in
Sagitta have planets. The body only mentions one. Given what the lead says, two should be mentioned. Are there really only two? Small constellation, but there are thousands of known exoplanets now. Not sure how to check definitively and
788:? That must have been an earlier incarnation of me. I rather suspect that I copied someone else's talk comments, and that he/she/they are the real creators. As for notability, the only way to measure that is perhaps using any neutral search engine and see what one gets in what order.
956:(who was usually identified as Centaurus), having been painfully wounded by Herakles, gives up his immortality to rid himself of the pain, and takes the place of Prometheus, Herakles/Chiron then killing Aquila so that Chiron doesn't suffer as Prometheus did. As such, together with
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There needs to be a reference to the geometric term "sagitta" - which does not just refer to telescopic mirrors, but more broadly, to the depth of any arc. It is used extensively in architecture when calculating the arc necessary to span a certain height and distance.
876:– my impression is that this constellation is not all that well known or commonly discussed, except by astronomers and astrologers. I would guess at least as many people have heard of the geometry term. But I haven't done any detailed survey. YMMV. –
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it refers to the glass removed to yield the optical curve. I am writing a book over at
Wikibooks on Telescope making and would love to link to an article here at Knowledge that referenced this bit of knowledge.
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at Aquila, since
Centaurus faces the correct direction and is at an appropriate angle to the arrow, whereas Sagittarius is immediately below it facing in the opposing direction (i.e. towards Centaurus).
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Feel free to tweak it as needed. This constellation has a bunch of highly unusual stars and I keep getting sidetracked...I think I started adding one-liners as place-holders many moons ago.
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Architects, engineers, and contractors use these equations to create "flattened" arcs that are used in curved walls, arched ceilings, bridges, and numerous other applications.
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Defined by the following, where s equals sagitta (the depth of the arc), r equals the radius of the circle, and l is one half the distance across the base of the arc:
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904:(plant), along with a handful of geometry-related results. I don't see any references to the constellation among the first several pages of results. –
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As a result of the interpretations where
Centaurus shot the arrow, may have come the myth in which
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has its two brightest stars named
Epsilon and Sigma with Alpha way down in the list.--
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but seriously, I think the constellation is far more notable than the other two....
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For what it’s worth, a Google scholar search seems to return mostly references to
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File:Sidney Hall - Urania's Mirror - Delphinus, Sagitta, Aquila, and
Antinous.jpg
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File:Sidney Hall - Urania's Mirror - Delphinus, Sagitta, Aquila, and
Antinous.jpg
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Moving here some of the myth stuff, that couldn't find their citations (yet):
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Sagitta in geometry and sagitta in optics are of course the same thing ;)
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Hello! This is a note to let the editors of this article know that
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Found the other and added. Yes might be worth dropping te "two"...
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Other interpretations consider the arrow to have been shot by
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and let this article name contain a disambiguation. ... said:
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is also called "sagitta", but that's a third thing. ... said:
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on February 4, 2016. You can view and edit the POTD blurb at
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were correct, we should consider moving this article to
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464:{\displaystyle S={\frac {r^{2}}{4\times focallength}}}
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900:(fish), and to a species of
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1256:- yay another RCB star :)
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1128:a young man
977:Idaho Astro
935:Sagittarius
1308:Categories
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1214:Lithopsian
1207:Exoplanets
1181:Lithopsian
1165:Lithopsian
1130:who saved
1018:Star tales
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36:identified
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1147:Archive
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1111:Sagitta
926:--§1--
894:otolith
663:Versine
275:on the
80:Process
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1026:Rursus
998:Rursus
954:Chiron
868:-: -->
842:Pisces
830:Gemini
826:Cygnus
790:Rursus
753:Rursus
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693:Rursus
667:Rursus
505:Rursus
170:scale.
102:Listed
83:Result
1033:bork³
1005:bork³
958:Lupus
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918:Myths
870:Cetus
854:Aries
850:Libra
838:Virgo
834:Draco
738:bork³
700:bork³
674:bork³
512:bork³
151:This
29:is a
1296:talk
1262:talk
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