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单词 draconid
释义

Draconidn.adj.

/ˈdreɪkɒnɪd/
Etymology: < Latin dracō, dracōn- dragon n.1 + -id suffix2.
Astronomy.
In plural. One of a shower of meteors with a radiant point in the constellation Draco, seen about 7–10 October in some years; usually in plural. Also attributive or as adj.
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the world > the universe > constellation > comet or meteor > meteor > [adjective] > specific shower
Perseid1880
Orionid1899
Quadrantid1900
Aquarid1901
Draconids1926
the world > the universe > constellation > comet or meteor > meteor > [noun] > shower > specific
Perseid1871
Andromed1877
Aquarid1877
Geminid1877
lacertid1877
Leonid1877
Orionid1877
Quadrantid1877
Lyraid1883
Bielid1885
Taurids1888
Andromedid1898
Draconids1926
1926 Monthly Notices Royal Astron. Soc. 137 105 A region lying about 10° or 12° S. of the Draconid radiant.
1926 Monthly Notices Royal Astron. Soc. 137 105 It appears that the recent Draconid shower of October 9 was not rich in the early evening... A special feature of these cometary Draconids..is the dense and sometimes durable streaks or trails which the brighter ones leave in their paths.
1938 R. H. Baker Astron. (ed. 3) vi. 247 The association of the Draconids with the Giacobini-Zinner comet..is a recent identification.
1954 A. C. B. Lovell Meteor Astron. xvi. 326 By far the most spectacular meteor displays of the present century have been given by the Giacobinid, or Draconid, meteor shower.
1979 Sci. Amer. Mar. 45/2 The cometary meteors are those seen in the periodic meteor showers, such as the Perseids, which follow the orbit of Comet Swift-Tuttle, and the Draconids, which are associated with the short-period Comet Giacobini-Zinner.
This entry has not yet been fully updated (first published 1993; most recently modified version published online September 2018).
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n.adj.1926
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