Phoebe

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Phoebe,

in the Bible: see PhebePhebe
or Phoebe
, in the New Testament, deaconess at Cenchrea.
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.

Phoebe

(fē`bē), in astronomy, one of the named moons, or natural satellites, of SaturnSaturn,
in astronomy, 6th planet from the sun. Astronomical and Physical Characteristics of Saturn

Saturn's orbit lies between those of Jupiter and Uranus; its mean distance from the sun is c.886 million mi (1.
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. Also known as Saturn IX (or S9), Phoebe is 137 mi (220 km) in diameter, orbits Saturn at a mean distance of 8,047,985 mi (12,952,000 km), has an orbital period of 550.5 earth days, and rotates on its axis in about nine hours. The outermost of the known satellites, Phoebe was discovered by American astronomer William H. PickeringPickering, William Henry,
1858–1938, American astronomer, b. Boston, grad. Massachusetts Institute of Technology (B.S., 1879). He taught at the Massachusetts Institute of Technology (1880–87) and at Harvard Observatory.
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 in 1898. Phoebe's reflectivity is very low, and it appears to be composed of a mix of ice and rock. Its orbit is inclined 175° to Saturn; that is, its north pole is almost aligned with the planet's south pole. Phoebe orbits with retrograde motionretrograde motion,
in astronomy, real or apparent movement of a planet, dwarf planet, moon, asteroid, or comet from east to west relative to the fixed stars. The most common direction of motion in the solar system, both for orbital revolution and axial rotation, is from west to
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, i.e., opposite to that of the planet's rotation. The sharp inclination of its orbit, its retrograde motion, and the resemblance of its apparent density and composition to Kuiper belt objects (see cometcomet
[Gr.,=longhaired], a small celestial body consisting mostly of dust and gases that moves in an elongated elliptical or nearly parabolic orbit around the sun or another star. Comets visible from the earth can be seen for periods ranging from a few days to several months.
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) suggest that Phoebe is a captured object similar to a comet or asteroid rather than a native satellite.

Phoebe,

in Greek mythology, a Titan. She was the mother of Leto and Asteria and the grandmother of Artemis. In some legends she was identified with Artemis as the goddess of the moon.

phoebe,

in zoology: see flycatcherflycatcher,
common name for various members of the Old World family Muscicapidae, insectivorous songbirds including the kingbirds, phoebes, and pewees. Flycatchers vary in color from drab to brilliant, as in the crested monarch and paradise flycatchers of Asia and Africa.
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.

Phoebe

(fee -bee) A small satellite of Saturn, discovered in 1898 by William Henry Pickering. It is the largest of Saturn's outer satellites, roughly spherical in shape with a diameter of 220 km. It follows a retrograde orbit, circling the planet once every 548.2 days at a mean distance of nearly 13 million km. Voyager 2 photographed Phoebe after passing Saturn in 1981, revealing a surface that is dark, with an albedo of 0.06, Phoebe is red in color but not as red as Iapetus. Its rotation period is about 9.4 hours, so Phoebe may not be in synchronous rotation with Saturn.

Phoebe was imaged again by the Cassini probe in June 2004 just before the spacecraft entered orbit around Saturn. The images Cassini returned, taken from a distance of 2078 km, revealed a tiny world heavily scarred by impact craters. Many of the impacts had excavated material from within the satellite's crust, hurling enormous rocks out onto its surface. The images also revealed alternating light and dark material around some of the craters. Other sensors aboard Cassini found that Phoebe contains not only water ice but also carbon dioxide. The geological and chemical complexities of Phoebe lead scientists to believe that it is not a captured asteroid, as was first thought, but an icy planetesimal, similar in makeup to a Kuiper Belt object, that was captured about 4000 million years ago by the spinning gas disk that eventually became Saturn. See also Table 2, backmatter.

Phoebe

 

a satellite of the planet Saturn. Phoebe’s diameter is 300 km, and its mean distance from the center of the planet is 12,950,000 km. Phoebe was discovered in 1898 by W. Pickering. It revolves around Saturn in the direction opposite to the planet’s rotation about its axis.

Phoebe

[′fē·bē]
(astronomy)
A satellite of the planet Saturn; its diameter is judged to be about 190 miles (320 kilometers); it has an eccentric orbit and retrograde revolution.

Phoebe

moon as sister of sun (Phoebus). [Gk. Myth.: Brewer Dictionary, 726–727]
See: Moon
References in periodicals archive ?
Female emergence time relates to the end of dawn singing in Eastern Phoebes (Weeks 2011) and in other species, including suboscine Buff-breasted Flycatchers (Empidonax fulvifrons; Lein 2007).
Eastern Phoebes do engage in extra-pair mating (Conrad et al.
Is reduced clutch size a cost of parental care in Eastern Phoebes (Sayornis phoebe)?
One species frequently parasitized by cowbirds, in some regions of their overlapping range, is the Eastern Phoebe (Sayornis phoebe; hereafter: phoebe) (Hauber et al.
Carder and Ritchison (2009) demonstrated that Eastern Phoebes tail pumped, called, and approached a visible predator at higher rates.
Tail flicking by Moorhens was found to decrease after an individual was played a recording of a conspecific (Randler 2007), and Weeks (1994) observed that Eastern Phoebe territorial maintenance behaviors consisted of chasing the intruder while calling.
Suitable territories and nest sites may be limiting factors for Eastern Phoebes, and competition for these resources may be intense (Beheler et al.
We report a case of infanticide by an Eastern Phoebe (Sayornis phoebe), a non-cavity-nesting species with specific nest-site requirements that may limit breeding opportunities of some individuals.
We observed 518 foraging movements by 65 Eastern Phoebes.
Mean ([+ or -] SE) perch height of sally initiation for Eastern Phoebes was 3.
Eastern Wood-Pewees and Eastern Phoebes had the greatest correlation at 25--and 22-stop segments, respectively, to fractal dimension whereas Western Kingbirds had an asymptote at a smaller spatial scale (12-stop segments).
The highest correlations with component II also occurred at the largest scale (50-stop segments) for Acadian Flycatchers, Eastern Phoebes, and Great Crested Flycatchers.

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