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Topic: Dactyl


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  Dactyl - Wikipedia, the free encyclopedia
A dactyl, an element of meter in poetry.
Dactyl, the small satellite orbiting the asteroid 243 Ida.
This is a disambiguation page: a list of articles associated with the same title.
en.wikipedia.org /wiki/Dactyl   (98 words)

  
 Dactyl (asteroid) - Wikipedia, the free encyclopedia
(243) Ida I Dactyl is a tiny asteroid moon (diameter 1.4 km) that orbits asteroid 243 Ida.
The satellite was named after the mythical creatures called dactyls who lived on the Mount Ida according to the Greek mythology.
Dactyl orbits Ida with a period of 1.54 days at an average distance of 108 km, with an inclination of 9° to Ida's equator.
en.wikipedia.org /wiki/Dactyl_(asteroid)   (240 words)

  
 How can an Asteroid have a Moon?
At the distance of Dactyl's orbit (90 km), the escape velocity is 9.3 meters/second.
We have estimated the mean orbital speed of Dactyl at 6.5 meters/second and the escape velocity at the 90-kilometer orbit as 9.3 meters/second.
Dactyl is far too small to alter the orbit of Ida appreciably, and so they will not change places in their solar orbit.
www.geocities.com /ptolemy1022/dactyl.html   (3189 words)

  
 Asteroid Ida and Dactyl
Dactyl is the first natural satellite of an asteroid ever discovered and photographed.
Dactyl is made more or less from the same kind of material as Ida. As an S-type asteroid, Ida is composed mostly of silicate rocks.
Ida is the large object to the left and Dactyl is the small object to the right.
www.solarviews.com /eng/ida.htm   (1056 words)

  
 243 Ida
Dactyl (right) is about 1.6 x 1.2 km, surprisingly round for such a small body.
Interestingly, while the spectra of Ida and Dactyl are very similar they are nevertheless distinctly different; Dactyl is not simply a chunk of Ida. It is thought that the binary system may have formed during the collision and breakup that created the Koronis family.
The surfaces of Ida and Dactyl are heavily cratered and therefore apparently quite old.
www.nineplanets.org /ida.html   (529 words)

  
 18. Ida and Dactyl
Dactyl is not identical in spectral properties to any area of Ida in view here, though its overall similarity in reflectance and general spectral type suggests that it is made of basically the same rock types.
Their locations in these images were used to estimate Dactyl's orbit and Ida's bulk density, which is of great interest because it may indicate whether Ida is composed of rocks that have been thermally processed deep within a collisionally destroyed planetesimal.
HST would have easily seen Dactyl had it been more than about 700 km from Ida. Combining these two restrictions gives a preliminary estimate for Ida's density of 2.2 to 2.9 grams per cubic centimeter, and shows that Dactyl is, in fact, a satellite of Ida's.
www2.jpl.nasa.gov /galileo/slides/slide18.html   (1228 words)

  
 Dactyl
Dactyl was found in orbit around Ida by the Galileo probe when it flew by the asteroid in 1993.
Interestingly, the spectra of Ida (an S-class asteroid) and Dactyl reveal that the compositions of the two objects, though similar, are not identical; Dactyl is not simply a bit of Ida that broke off.
Instead, it is thought that the binary system may have formed during the collision and breakup that created the Koronis family of asteroids.
www.daviddarling.info /encyclopedia/D/Dactyl.html   (283 words)

  
 APOD: June 29, 1997 - Ida and Dactyl: Asteroid and Moon   (Site not responding. Last check: 2007-11-07)
The tiny moon, named Dactyl, is about one mile across, while the potato shaped Ida measures about 36 miles long and 14 miles wide.
Dactyl is the first moon of an asteroid ever discovered.
The names Ida and Dactyl are based on characters in Greek mythology.
antwrp.gsfc.nasa.gov /apod/ap970629.html   (121 words)

  
 Wordcarvers: Anapest, Dactyl
Anapests are easier than dactyls for a simple reason: the "base meter"; of spoken English is iambic, and the anapest is an "extended iamb".
The dactyl, on the other hand, is an "extended trochee", and as a matter of fact most people find it harder to write in trochaic than they do in iambs.
Dactyls were very popular with the ancient Greeks, because the meter was very natural to their spoken language, just as iambs are very natural in English.
www.eosdev.com /discus/messages/3/590.html?1074971549   (2174 words)

  
 Dactyl
In Greek mythology, the Dactyls (Greek for "fingers") were the archaic race of small phallic male beings associated with the Great Mother, whether as Cybele or Rhea, spirit-men like the Curetes, Cabiri and Korybantes.
Of Celmis, Ovid (in Metamorphoses iv) made a story that when Rhea was offended at this childhood companion of Zeus, she asked Zeus to turn him to diamond-hard adamant, like a tempered blade.
An Idaean dactyl named Herakles (perhaps the earliest embodiment of the later hero) originated the Olympic Games by instigating a race among his four "finger" brothers.
www.mlahanas.de /Greeks/Mythology/Dactyl.html   (532 words)

  
 Calendar
The Dactyl Foundation will exhibit 37 paintings by Yelena, exposing the raw imagination that underlies the strange and fascinating imagery of her photographs.
Yelena has had a number of fine art photography exhibitions, including a solo exhibition at Dactyl Foundation in 2002 and a group exhibition at Sotheby's, also in 2002, but this is the first time that her paintings will be shown to the public.
Dactyl Foundation will showcase the diverse talents of these artists exploring their stylistic development individually and collectively.
www.dactyl.org /calendar.html   (4667 words)

  
 Dactyl Technologies, LLC: Profile
Dactyl Technologies, LLC is dedicated to design and maintenance of state-of-the-art web pages for all types and sizes of businesses.
Dactyl Technologies, LLC can create a high quality web site for only a fraction of what other advertising may cost.
Dactyl Technologies, LLC is able to create an appealing and attention-grabbing site that will not be overburdened by excessive graphics or animations.
www.dactyl.com /profile.html   (329 words)

  
 ipedia.com: Dactyl (asteroid) Article   (Site not responding. Last check: 2007-11-07)
and Dacytl, as photographed by Galileo.]] Dactyl, discovered in 1993, is a tiny asteroid that orbits asteroid 243 Ida with a period of 1.54 days at an average distance of 108 km.
Dactyl, discovered in 1993, is a tiny asteroid (diameter 1.4 km) that orbits asteroid 243 Ida with a period of 1.54 days at an average distance of 108 km.
Dactyl, found by the Galileo probe, was the first asteroid moon discovered.
www.ipedia.com /dactyl__asteroid_.html   (162 words)

  
 dactyl
A dactyl is a stressed syllable, followed by two unstressed syllables.
And a double dactyl is two dactyls in a row.
The double dactyl is about someone – someone whose name (or some version of their name including their title, etc.) is a perfect double dactyl, and that is where you start.
mywebpages.comcast.net /gryphonsmith/fileg/verse/Dactyl.html   (341 words)

  
 Solving for Dactyl's Orbit and Ida's Density
Initial attempts to apply classical astronomical orbit-fitting methods to estimate Dactyl's orbit, assuming a reasonable value for Ida's density, suffered from numerical problems caused by the Galileo-to-Ida line of sight being nearly in the plane of Dactyl's orbit for most of the images.
Since Dactyl was viewed for only a fraction of its orbit and from a nearly edge-on vantage point, all of the orbits shown fit the observations equally well.
If one imagines being on the Galileo spacecraft looking at Ida and Dactyl, then all of the orbit solutions would have appeared the same during the 5-hour approach, since the differences between them are all along the line of sight (the parallel lines in the figure).
www2.jpl.nasa.gov /galileo/mess35/DACTYL.html   (1233 words)

  
 d is for dactyl   (Site not responding. Last check: 2007-11-07)
A dactyl is a poetic foot which consists of a stressed syllable followed by two unstressed syllables.
As a result, the double dactyl is one of the few poetic forms whose topics are limited by the stress patterns of a subject's name.
The third line can be any old pair of dactyls, usually beginning to describe or discuss the subject given in the second line.
www.kith.org /logos/words/lower/d.html   (351 words)

  
 18. Ida and Dactyl
Density calculations were based on an Ida volume of 16,100 cubic kilometers, which was determined from an accurate model of the shape of Ida based on Galileo's images.
Instead, a series of Dactyl orbits were generated for a range of Ida mass/density values -from 1.5 to 4.0 grams per cubic centimeter.
Combining these two restrictions gives a preliminary estimate for Ida's density of 2.2 to 2.9 grams per cubic centimeter, and shows that Dactyl is, in fact, a satellite of Ida's.
www.oarval.org /slide18en.htm   (1251 words)

  
 [No title]
The most remarkable thing about these pictures was the discovery of a tiny moon, Dactyl.
At 90 kilometers distance, the sun has four times as much attraction as Ida. The mass of Ida is so small, that the distant sun influences Dactyl's orbit much more than the close by asteroid.
The result is that astronomers expect the moons to change places as they whirl around Saturn.
www.sonic.net /~victormc/dactyl.html   (3104 words)

  
 Search Results for dactyl - Encyclopædia Britannica
a light-verse form consisting of eight lines of two dactyls each, arranged in two stanzas.
Dactylic hexameter is the oldest known form of Greek poetry and is the preeminent metre of narrative and didactic poetry in...
Small collection of high-quality images with informative captions, covering selected "small bodies" in the Solar System--in particular, the asteroid Ida and its moon Dactyl, Comet Shoemaker-Levy 9 and its impact with Jupiter, Halley's Comet, and meteorites.
www.britannica.com /search?query=dactyl&submit=Find&source=MWTEXT   (341 words)

  
 Double Dactyls   (Site not responding. Last check: 2007-11-07)
A dactyl, as you may know, is a poetic foot of the form
A double dactyl, naturally enough, is two dactyls in a row.
This actually goes above and beyond the call of double dactylic duty; note that he uses two dd's in the second stanza when all he really needed was one.
www.stinky.com /dactyl/dactyl.html   (1040 words)

  
 a fool in the forest: Double Dactyls
A week ago, I crafted a new bit of topical light verse, a double dactyl on the issuance of marriage licenses to gay and lesbian couples in San Francisco.
The double dactyl requires two quatrains, each consisting of three lines of dactylic dimeter and a concluding choriamb (or, if you will, another dactyl with an extra syllable tacked on.) The final lines of the quatrains must rhyme.
So sue me. The double dactyl is a fine form for glib political comment or just for a lark, and no one will ever get the impression that you take yourself too seriously when you use it.
declarationsandexclusions.typepad.com /foolblog/double_dactyls   (4294 words)

  
 19. Highest-Resolution Image of Dactyl
Dactyl is surprisingly round, measuring about 1.2 x 1.4 x 1.6 kilometers (0.75 x 0.87 x 1 miles).
If Gaspra has a permanent magnetic moment, the finding would have bearing on its thermal history, have implications for the history of the magnetic field of the early solar system, and give us more reason to believe some asteroids are very rich in iron or iron-nickel alloys of considerable economic value.
Further work on the stability of Dactyl's possible orbits, as well as a more precise analysis of Dactyl, may lead to a better determination of both the density of Ida and the orbit of Dactyl.
www.oarval.org /slide19en.htm   (1102 words)

  
 Dactyl   (Site not responding. Last check: 2007-11-07)
Dactyl : (DA-ktill) A tooth-like structure on the leg of a mole cricket.
Gryllotalpa and Neocurtilla mole crickets have a row of four of these structures on each tibia, but Scapteriscus mole crickets have only two.
Although Scapteriscus mole crickets are commonly called two-clawed mole crickets because they have two tibial dactyls, the dactyls really are not claws (claws occur at the ends of the legs, at the extremity of the tarsus).
molecrickets.ifas.ufl.edu /mcri0046.htm   (72 words)

  
 Dactyls
The Dactyls are sometimes identified with the Cabiri, Curetes and Corybantes; mostly because of the mystery cults that surrounded those groups.
Their name is derived from daktylos ("finger") and is probably based either on their skill with metals or on their small size.
Article "Dactyls" created on 03 March 1997; last modified on 20 July 1999 (Revision 2).
www.pantheon.org /articles/d/dactyls.html   (108 words)

  
 IngentaConnect The Long-Term Dynamics of Dactyl's Orbit   (Site not responding. Last check: 2007-11-07)
Asteroid Ida's satellite Dactyl was observed over 5 1 2 hr by the Galileo spacecraft imaging system.
Dactyl likely formed at the same time as Ida, so its orbit must be stable over time scales much longer than we have been able to explore numerically.
The low-order p:1 and p:2 resonances, corresponding to a high density for Ida, are distinct and stable and are all consistent with the longitudinal position of Dactyl at the epoch of the Galileo encounter.
www.ingentaconnect.com /content/ap/is/1997/00000130/00000001/art05788   (298 words)

  
 Ida/Dactyl   (Site not responding. Last check: 2007-11-07)
The greatest discovery from the Galileo fly-by was that Ida has a natural satellite.
The tiny moon is about 1.2 by 1.4 by 1.6 km across.
The name is derived from the Dactyli, a group of mythological beings who lived on Mount Ida. The Dactyli protected the infant Zeus after the nymph Ida hid and raised the god on the mountain.
zebu.uoregon.edu /~js/ast121/lectures/ida_dactyl.html   (409 words)

  
 Blog d'Elisson: INTRACTABLE DACTABLE
The classic double dactyl is two stanzas, four lines each.
The first three lines contain two dactyls each, and the fourth, one dactyl and one extra syllable.
Real sticklers will tell you that once a double dactyl word has ever been used in a double dactyl poem, it can never be used again.
elisson1.blogspot.com /2005/04/intractable-dactable.html   (447 words)

  
 Dactyl, the Moon of Ida   (Site not responding. Last check: 2007-11-07)
Originally Dactyl was thought to be an S-type asteroid, but given its low density (2.9 g/cm³), some now believe it to be a C-type.
One theory to Dactyl's origin is that it simply split off of Ida sometime in the past, but there seem to be enough differences to dispute this theory.
Interestingly, Ida and Dactyl are both heavily cratered indicating that they are quite old (while the Koronis family is relatively young), but an object of Dactyl's size would not survive long enough for its surface to become so aged.
www.personal.psu.edu /users/d/j/djw230/astro10/dactyl.html   (224 words)

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