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Topic: Plutos natural satellites

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In the News (Thu 18 Apr 19)

  Is Pluto a giant comet?
Pluto is a very significant and interesting object, with many clues about the origin and evolution of our solar system, and it would be wonderful to have a spacecraft mission to this trans-Neptunian object to learn much more about it.
Pluto was only called a major planet in 1930 because of a search for a mythical ninth major planet that was supposedly perturbing Neptune and Uranus (due to the lack of sufficient precise positional observations for those giant planets back then).
Pluto belongs neither to the inner planets [nor] to the giant planets [in classification], but to the icy satellites of the latter.
www.cfa.harvard.edu /icq/ICQPluto.html   (2760 words)

  Is Pluto a giant comet?
Pluto is a very significant and interesting object, with many clues about the origin and evolution of our solar system, and it would be wonderful to have a spacecraft mission to this trans-Neptunian object to learn much more about it.
Pluto was only called a major planet in 1930 because of a search for a mythical ninth major planet that was supposedly perturbing Neptune and Uranus (due to the lack of sufficient precise positional observations for those giant planets back then).
Pluto belongs neither to the inner planets [nor] to the giant planets [in classification], but to the icy satellites of the latter.
cfa-www.harvard.edu /icq/ICQPluto.html   (2739 words)

 The Seattle Times: Nation & World: Pluto no longer a planet, astronomers say
Much-maligned Pluto — named for the God of the underworld — doesn't make the grade under the new rules for a planet: "a celestial body that is in orbit around the sun, has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a...
Pluto has always been a bone of contention among astronomers because of the odd way it orbits the sun," Crumpton said.
NASA said today that Pluto's demotion would not affect its $700 million New Horizons spacecraft mission, which earlier this year began a 91/2-year journey to the oddball object to unearth more of its secrets.
seattletimes.nwsource.com /html/nationworld/2003222887_webpluto24.html   (830 words)

 [No title]
The current model is one were Pluto was a natural satellite of Neptune and Triton was in a heliocentric orbit.
The mechanism for producing Pluto in its present orbit accompanied by Charon and also Triton as a retrograde satellite cannot be uniquely defined by modelling.
Nevertheless, the collision-model with Pluto as a natural satellite of Neptune and Triton as a body originally in a heliocentric orbit is strongly indicated.
www.astro.rug.nl /~onderwys/ACTUEELONDERZOEK/JAAR2000/pluto/aose.html   (850 words)

 Re: Pluto has 3 moons - Astronomy.com Forums
So, just because Pluto has "companions" doesn't make it a planet.
Pluto's moons system currently have 3 known moons.This is a website of evidence that they orbit nearly in the same plane,click here
You'll notice that "companion" and satellite are used interchangably at http://www.johnstonsarchive.net/astro/asteroidmoons.html and satellite is the original term for the more commonly used "moon" (a moon is now defined as a natural satellite) so asteroids can and do, in fact, have "moons".
www.astronomy.com /ASY/CS/forums/2/339264/ShowPost.aspx   (750 words)

 Astronomy Update 1997
Nature seems not to like to make very small stars, though some are being picked up in orbit by the reflexive motion on stellar companions.
The system shows some of the bizarre nature of stellar evolution, of how you can transform one kind of star into another, a giant into a white dwarf, and a white dwarf back into a giant, revealing the power of nuclear reactions and of gravity.
But the observation shows that anti-matter really does exist in nature, and not just in the middle of stars where it is part of the generation of nuclear energy.
www.astro.uiuc.edu /~kaler/glpa/update97.html   (9979 words)

 Information on pluto - facts about Pluto the planet
Orbit inclination (deg) The inclination of the orbit to the ecliptic, in degrees.
For Plutos moon, this is with respect to Pluto's equator.
Obliquity to orbit (deg) The tilt of Plutos moon's equator relative to its orbital plane, in degrees.
www.the-planet-pluto.com /pluto-fact-sheet.html   (520 words)

 [No title]
Because of Pluto's average orbit of 40 AU, the sun would have to be 1,600 times brighter for Pluto to get the same solar radiation we currently get on Earth.
Naturally occurring emissions should have random polarizations and not be coherent.
Some satellites will undoubtedly transit the SETI antenna beam, but these kinds of interferers affect near and far searches alike and are treated the same and rejected.
www.lyon.edu /projects/marsbugs/2004/20040413.txt   (15788 words)

 Science News: Plutos galore: ice dwarfs may dominate the solar system's planetary population - Cover Story
Alternatively, a close but collision-less encounter between Pluto and an object already possessing the mass of Charon might have brought the satellite under the planet's gravitational influence.
Although virtually every natural satellite orbits a planet in the same direction that the planet orbits the sun, Triton rotates around Neptune in an opposite, or retrograde, direction.
Supporting evidence for multiple Plutos also comes from observations of the unusually large tilt of Uranus--a planet that spins rapidly on its side while orbiting the sun.
www.findarticles.com /p/articles/mi_m1200/is_n12_v140/ai_11404178   (1470 words)

 Armageddon Online - Moon Landings   (Site not responding. Last check: 2007-10-29)
Satellites are close to earth, but a long way from the moon.
pluto, is lit up well enough to be seen by the hubble....
Here is a map of plutos moon taken from the same sight as your bad photo.
forums.armageddononline.org /showthread.php?t=2703   (1686 words)

 Kuiper belt --¬† Britannica Concise Encyclopedia¬†- The online encyclopedia you can trust!   (Site not responding. Last check: 2007-10-29)
It moves in a nearly circular orbit in the plane of the planetary system at a distance from the Sun of about 44 astronomical units (AU; 1 AU is about 150 million km [93 million miles]).
This is outside the orbit of Pluto, which has a mean radius of 39.5 AU.
On the basis of brightness estimates, the sizes of the largest known KBOs approach or exceed that of Pluto's moon, Charon, which has a diameter of 1,250 km (780 miles).
www.britannica.com /ebc/article-9342992   (814 words)

 Pluto Fact Sheet
) 0.89 1367.6 0.0007 Black-body temperature (K) 37.5 254.3 0.147 Number of natural satellites 3* 1 Planetary ring system No No * The two newly discovered moons of Pluto have been named Nix and Hydra.
EST), Pluto passed Neptune as the furthest planet from the Sun once again and will remain so until 5 April 2231.
Mean distance from Pluto (km) 19,600 Sidereal orbit period (days) 6.38725 Sidereal rotation period (days) 6.38725 Orbital inclination to Pluto (deg) 0.0 Orbital eccentricity 0.0 Equatorial radius (km) 593 Mass (10
nssdc.gsfc.nasa.gov /planetary/factsheet/plutofact.html   (434 words)

 Astronomy Update 1995
It may be that either the ring particles accumulate into a quasi satellite, or that this was a satellite that had recently suffered a collision and was broken up.
Pluto is about a tenth of second of arc across and effectively unresolvable from the ground.
These bring us back from the edge of the Universe all the way back home, showing the integrated nature of this subject, where gamma ray bursts may be produced in the outer regions of the Universe, and here are gamma rays being produced right back home as well.
www.astro.uiuc.edu /~kaler/glpa/update95.html   (9170 words)

 Pluto Articles (sorted by date)
Pluto: An analysis of photographic positions obtained with the Pulkovo normal astrograph in 1939-1992, Rylkov, V. P., Vityazev, V. V., and Dementieva, A. 1995, Astronomical and Astrophysical Transactions, vol.
POSITIONAL OBSERVATIONS OF PLUTO IN 1969 1970 1989 1990 AND 1991, Dolganova, E.V., Kuimov, K.V., and Shokin, Y.A. Motion of the orbital plane of a satellite due to a secular change of the obliquity of its mother planet, Kinoshita, H. 1993, Celestial Mechanics and Dynamical Astronomy, vol.
CVF spectrophotometry of Pluto - Correlation of composition with albedo, Marcialis, R.L and Lebofsky, L.A. 1991, Icarus, vol.
www.boulder.swri.edu /ekonews/articles/pl_all_date.html   (11368 words)

 The Unreasonable Man: Space
Scientists say it is three times as far away as Pluto, in an orbit at an angle to the orbits of the other planets.
Its discoverers are Michael Brown of Caltech, Chad Trujillo of the Gemini Observatory in Hawaii, and David Rabinowitz of Yale University.
Thanks to satellites, it will be possible to know at any given time where each rider is and how he is doing in the race, whether he is in the peloton or has broken away and is out in front.
www.unreasonableman.net /space   (11092 words)

After the discovery of Charon in 1978 showed the mass of Pluto to be much smaller than expected, van Flandern convinced his USNO colleague Robert S. Harrington of the existence of this tenth planet.
Pluto is a planet spawned by Vulcan, so it is different than the first eight that were spawned by the Sun.
Pluto is at a distance comparable to that of 2000 WR106, and is 1,470 miles in diameter.
www.barry.warmkessel.com /barry/1related.html   (14216 words)

 [No title]   (Site not responding. Last check: 2007-10-29)
Studies of optical constants, photolytic and radiolytic pathways, low temperature chemistry, gas-solid interactions, and thermal and mechanical properties of outer solar system materials are all urgently needed to provide inputs to theoretical models as well as enabling us to make sense of diverse types of observational data.
Unfortunately, observations of TNO surface reflectance and emission probe only a very shallow surface layer, which is subject to relatively rapid alteration by processes such as photolysis, radiolysis, and volatile loss and thus is unlikely to be representative of TNO interiors.
Combining the masses determined from satellite orbits with thermal determinations of albedos and radii, it is possible to compute densities for these objects.
dorothy.as.arizona.edu /sykes/decadal/BOOK/kuiper_belt.txt   (6965 words)

 [No title]
And it's so cold that the atmosphere of Pluto -- the only one of the nine planets orbiting so far from the Sun -- lies frozen on the ground most of the time.
Kuiper's solution was a population of dark comets circlingthe Sun in the realm of Pluto -- leftovers from the dawn of our solar system when planetesimals were coalescing to make planets.
Pluto has enough mass and gravity to retain a tenuous atmosphere from which bright surface frosts may be deposited
www.resonancepub.com /science.htm   (13465 words)

 www.spidion.com - Weather Forecast, Air, Aviation, Hazards, Huracanes   (Site not responding. Last check: 2007-10-29)
The release of their first single Tornado for Earache, imminent, Adema are leaving sunny California and heading The track Tornado is based around a relationship, that ex-Marine Luke.
A free satellite channel for schools, colleges, libraries, public broadcasting stations, public access channels, and other community agencies.
Satellite images, forecasts, tracking maps, and information for the Atlantic hurricane.
www.spidion.com /content/chapter13.html   (16104 words)

 Search Tuna Report for Neptune   (Site not responding. Last check: 2007-10-29)
NEPTUNE Is A Joint U.S.-Canada Venture Led By The University Of Washington And, In Canada, By The University Of Victoria.
Plutos Mass Is 0 Earth Masses, While Lowell Required Planet To Have Seven Earth Masses To Produce The Effects On The Other Planets....
Satellites Of Neptune: Triton Has Smooth Plains As Well As Cantaloupe Terrain; These Were Probably Produced By The Slow Flowing Of Gas-Rich Ices....
www.searchtuna.com /ftlive2/2428.html   (1974 words)

On December 27, 2004, several satellites and telescopes from around the world detected an explosion on the surface of SGR 1806-20, a neutron star 50,000 light years away.
We see a sort of greenhouse, actually made by a many-[km-thick] layer of ice, on the satellite Europa of Jupiter, so far from the Sun that the brightness of sunlight is only a few percent of that on Earth.
After 11 years of watching the movements of two Earth-orbiting satellites, researchers found each is dragged by about 2 meters every year because the very fabric of space is twisted by our whirling world.
www.geocities.com /~gaiachurch/space-g.html   (23764 words)

 Razor Klaw Fleet Intelegence   (Site not responding. Last check: 2007-10-29)
Landing on Pluto itself is inadvisable as the Federation maintains a remote science lab on Pluto.
The Chang will quickly destroy the series of weather control satellites in Earth orbit, while IKV Chang Commander of Marines Lukara will lead teams down to the surface to eliminate any Federation leadership that is found.
After a dozen passes through the grid, all satellites were either destroyed or trapped by the tractor beam.
www.angelfire.com /ca6/klawoutpost/fleetintel.html   (17915 words)

 Is Pluto a Comet?
Pluto in a different (but still significant) light.
Pluto belongs neither to the inner planets [nor] to the giant
(Pluto is not usually so mentioned as a reference point, for obvious reasons).
www.ac.wwu.edu /~tedw/astr101pluto.htm   (3239 words)

 jolt.co.uk public forums - A Tragedy Strikes the Plutonian Empire   (Site not responding. Last check: 2007-10-29)
The place was shaking violently now as the President immediatly bolted for the door, remembering the earthquake safety lessons he read off of natural disaster books when he was a kid.
When he got to the door, he turned around to face inward to his office, and looked out the window he had left open.
Most of our buildings are tall skyscrapers, so we expect the damage cost to be very high, likely to exceed $1 trillion USD, and our advanced technology can be expensive, so that makes it all the more likely to exceed 1 trillion.
forums.jolt.co.uk /showthread.php?threadid=386707   (2086 words)

 Earth Dynamics Report   (Site not responding. Last check: 2007-10-29)
The new discoveries suggest that Pluto is merely the largest known Kuiper Belt Object and that the boundaries of our solar system have yet to be firmly set.
The roofs are natural sponges in heavy rainstorms and reduce water runoff by up to 90%.
According to reports, there was a satellite anomaly beginning on 11/3/02 at 19:15 UTC which faded at 21:15, approximately an hour before the quake released.
www.citiesoflight.net /earthdyn02-12.html   (14647 words)

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