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	Phobos (moon) - Wikipedia, the free encyclopedia
		Phobos was discovered by American astronomer Asaph Hall on August 18, 1877, at the US Naval Observatory in Washington, D.C., at about 09:14 GMT (contemporary sources, using the pre-1925 astronomical convention that began the day at noon, give the time of discovery as August 17 16:06 Washington mean time).
		Phobos was photographed close-up by Mariner 9 in 1971, Viking 1 in 1977, Phobos 2 in 1988, Mars Global Surveyor in 1998 and 2003, and by Mars Express in 2004.
		Phobos' phases, in as much as they could be observed from Mars, take 0.3191 days to run their course (Phobos' synodic period), a mere 13 seconds longer than Phobos' sidereal period.
	en.wikipedia.org /wiki/Phobos_(moon) (1762 words)

	Phobos program - Wikipedia, the free encyclopedia
		Phobos 1 and its companion spacecraft Phobos 2 were a new spacecraft design, succeeding the type used in the Venera planetary missions of 1975-1985, including the last used during the Vega 1 and Vega 2 missions to comet Halley.
		Phobos 1 was launched on July 7, 1988 and Phobos 2 on July 12, 1988, each aboard a Proton-K rocket.
		Phobos 1 carried solar x-ray and ultraviolet telescopes, a neutron spectrometer, and the Grunt radar experiment designed to study the surface relief of Phobos.
	en.wikipedia.org /wiki/Phobos_program (640 words)

	Phobos (Site not responding. Last check: 2007-10-31)
		Phobos ("FOH bus") is the larger and innermost of Mars' two moons.
		In Greek mythology, Phobos is one of the sons of Ares (Mars) and Aphrodite (Venus).
		Phobos and Deimos may someday be useful as "space stations" from which to study Mars or as intermediate stops to and from the Martian surface; especially if the presence of ice is confirmed.
	www.seds.org /nineplanets/nineplanets/phobos.html (467 words)

	NASA's Solar System Exploration: Planets: Mars: Moons: Phobos
		Phobos, named after a messenger of the Roman god of war, is the larger of Mars' two moons and 27 by 22 by 18 km in diameter.
		Phobos is nearing Mars at a rate of 1.8 meters every hundred years; at that rate, it will either crash into Mars in 50 million years or break up into a ring.
		Phobos and Deimos appears to be composed of C-type rock, similar to flish carbonaceous chondrite asteroids.
	solarsystem.nasa.gov /planets/profile.cfm?Object=Mar_Phobos (346 words)

	Phobos 1, 2 Quicklook
		Phobos was a Soviet mission to Mars consisting of 2 nearly identical spacecraft.
		The objectives of the dual mission were to 1) conduct studies of the interplanetary environment, 2) perform observations of the Sun, 3) characterize the plasma environment in the Martian vicinity, 4) conduct surface and atmospheric studies of Mars, and 5) study the surface composition of the Martian satellite Phobos.
		Phobos 2 also carried a second, smaller "hopper" lander designed to land on Phobos and then use its spring loaded legs to move ("hop") about the moon's surface to make chemical, magnetic and gravity observations at different locations.
	msl.jpl.nasa.gov /QuickLooks/phobosQL.html (532 words)

	Phobos Final
		Phobos was probed by Mariners 7 and 9 and Vikings 1 and 2.
		The shape of Phobos is a triaxial ellipsoid with semi-major axes of 13.4, 11.2, and 9.2 km.
		When the spacecraft arrives at Phobos, the part containing the routines for controlling trajectory is erased and replaced by routines needed to control the landing of the mobile lander as well as routines needed by the stationary lander for communicating with the mobile lander.
	www.tsgc.utexas.edu /archive/design/phobos (10264 words)

	MarsNews.com :: Phobos 2
		Yet it would be unfair to apply that designation to Phobos 2, since the probe survived Mars orbit insertion and was able to send back a total of 37 images before it disappeared, apparently due to mechanical failure.
		Phobos 2 operated normally during its cruise phase, travelling the millions of miles from the Earth to Mars with no mechnical problems.
		She says this was apparently the cause of the disappearance of the Phobos 2 probe.
	www.marsnews.com /missions/phobos2 (520 words)

	UFOS at close sight: the mysterious end of Phobos 2
		The spacecraft Phobos 2 reached Mars orbit and began to approach the Martian satellite Phobos in February 1989.
		Since the spacecraft was near Phobos and the Sun-Phobos directions was approximately the same as the Sun-spacecraft direction, the Phobos shadow on the Mars surface can be seen in the Termoscan field of view (Figure 1).
		The factors that influenced the form and dimensions of the shadow included Phobos' orientation (Phobos has an irregular shape); distortion from Mars' surface curvature, especially near the planet's limb (the edge of its disk as seen from the Phobos spacecraft); and the dispersion of radiation and other atmospheric processes.
	ufologie.net /htm/phobrep.htm (780 words)

	Mars Global Surveyor MOC2-187 Release
		Phobos and the smaller, more distant satellite, Deimos, were discovered in 1877 by Asaph Hall, an astronomer at the United States Naval Observatory in Washington, D.C. Hall had been hunting for martian satellites for some time, and was about to abandon the search when he was encouraged by his wife to continue.
		Phobos was the target of the ill-fated Phobos 1 and Phobos 2 spacecraft, launched by the Soviet Union in 1988.
		Phobos 2 actually reached Mars in 1989 and obtained a few pictures of the satellite---it also captured the shadow of Phobos cast upon the martian surface using its thermal infrared imager, Termoskan.
	www.msss.com /mars_images/moc/11_1_99_phobos (927 words)

	The Phobos 2 Mission to Mars
		The Phobos 2 mission was launched on 12 July 1988 from Baykonur Cosmodrome.
		The primary objective of the mission, as with its sister probe Phobos 1, was to explore the larger of Mars' two moons, Phobos.
		The Phobos 2 spacecraft arrived at Mars on 30 January 1989, but was lost while maneuvering in Martian orbit to encounter Phobos on 27 March 1989.
	heasarc.gsfc.nasa.gov /docs/heasarc/missions/phobos2.html (200 words)

	Phobos 2 Soviet Space Probe Mystery - Was the Phobos 2 Destroyed by a UFO?
		Phobos 1 was unfortunately lost en route two months later, reportedly because of a radio command error.
		Phobos 2 was also ultimately lost in the most intriguing circumstances, but not before it had beamed back certain images and information from the planet Mars itself.
		The 'anomaly' seen in the Phobos 2 transmission was a thin ellipse with very sharp rather than rounded points (the shape is known in the diamond trade as a "marquise") and the edges, rather than being fuzzy, stood out sharply against a kind of halo on the Martian surface.
	www.informantnews.com /phobos/index.html (2450 words)

	Mission to Mars
		Phobos 1 and 2 also carried a small lander intended for the Martian moon's surface that contained a camera and instruments to search for signs of seismic activity, as well as study soil composition.
		Phobos 2 had a second lander that was designed to "hop" across the surface to gather data from several locations.
		Phobos 2 went into orbit around Mars and was able to study the planet and its moon for two months, but never had a chance to release its two landers.
	athena.cornell.edu /mars_facts/past_missions_80s.html (489 words)

	ESA Science & Technology: Mars Express to investigate Phobos
		Phobos, the tiny innermost moon of Mars, is to come under unprecedented scrutiny after Europe's mission to Mars goes into orbit around the Red Planet late in 2003.
		Phobos is a world of mysterious origin and destiny.
		However, the leading edge of Phobos has never been imaged in close up before and the appearance of grooves here will be critical to the theory.
	sci.esa.int /content/news/index.cfm?aid=1&cid=1&oid=27328 (806 words)

	Patrick Phobos Mysteries pages: the Phobos 1 & 2 missions. (Site not responding. Last check: 2007-10-31)
		The Soviet Phobos 2 probe was sent to examine the martian moon Phobos (The USSR was interested in the possibility of using Phobos as a staging post for a manned exploration of Mars)
		It was also speculated that the Russian mission had been deliberately terminated by aliens unwilling to let Phobos 2 approach the moon, supposed to be an artificial avant-poste of alien visitors on their way to earth.
		Phobos 1, and its companion spacecraft Phobos 2, were the next-generation in the Venera-type planetary missions, succeeding those last used during the Vega 1 and 2 missions to comet P/Halley.
	members.aol.com /pgrsel2/phobos12.htm (1183 words)

	[No title] (Site not responding. Last check: 2007-10-31)
		Phobos [FOH-bohs] (fear) is a moon of Mars and was named after an attendant of the Roman war god Mars.
		Phobos shows striated patterns which are probably cracks caused by the impact event of the largest crater on the moon.
		Phobos is heavily cratered with interesting parallel grooves about 150 m long and 25m deep.
	www.lycoszone.com /info/phobos.html (511 words)

	ESA Science & Technology: Close Inspection for Phobos
		Phobos 2 was due to send a lander to the tiny satellite in 1989, but was lost just 100 km above the surface.
		The orbital period of Phobos is three times faster than the rotation period of Mars, with the unusual result among natural satellites, that Phobos rises in the west and sets in the east as seen from Mars.
		Streaks on the surface of Phobos indicate that the satellite was almost shattered by the impact.
	sci.esa.int /science-e/www/object/index.cfm?fobjectid=31031 (1427 words)

	[No title] (Site not responding. Last check: 2007-10-31)
		Phobos, one of the two moons of Mars, has itself always been considered a rather mysterious object, as has its smaller twin, Deimos.
		The last transmission from Phobos 2 was a photograph of a gigantic cylindrical spaceship - a huge, apporx, 20km long, 1.5km diameter cigar-shaped 'mothership', that was photographed on 25 March 1989 hanging or parked next to the Martian moon Phobos by the Soviet unmanned sonde Phobos 2.
		The cigar shaped craft in the penultimate frame taken by Phobos 2 is apparently the object casting the oblong shadow on the surface of Mars in the earlier photo.
	www.anomalous-images.com /PHOBOS2.TXT (1849 words)

	The Page of Doom: Phobos
		Phobos was discovered in 1877 by A.Hall (1829-1907) an American astronomer who used a new reactor with 65cm objective at the Washington Observatory.
		Phobos is 6000 km away from Mars and is the closest satellite to its primary than any other in the solar system.
		The surface of Phobos is covered with craters and a layer of rock and dust, known as regolith, made from impacts from meteorite in the past.
	doomworld.com /pageofdoom/phobos.html (417 words)

	Phobos - NewMars
		Phobos is the largest moon of the planet Mars.
		Phobos and Mars's other moon, Deimos, were discovered by Asaph Hall in 1877.
		Phobos is just outside the Roche Limit of Mars, and is expected to be broken up by tidal forces during the next 50 million years.
	www.newmars.com /wiki/index.php/Phobos (259 words)

	Sea and Sky's Tour of the Solar System: Phobos
		Phobos was named after Fear, one of the charioteers of the Roman god, Mars.
		Phobos and its cousin, Deimos, were discovered in 1877 by American astronomer Asaph Hall while observing Mars at the U.S. Naval Observatory in Washington.
		Phobos is believed to be composed of carbon-rich rock like that found in C-type asteroids that exist in the outer asteroid belt.
	www.seasky.org /solarsystem/sky3e2.html (556 words)

	Mars Exploration/Summary of Mars Missions/Phobos 1 & 2
		Phobos 1 operated normally until an expected communications session on 2 September 1988 failed to occur.
		Phobos 2 operated normally throughout its cruise and Mars orbital insertion phases, gathering data on the Sun, interplanetary medium, Mars and Phobos.
		Phobos 1 operated nominally until an expected communications session on 2 September 1979 failed to occur.
	calspace.ucsd.edu /Mars99/docs/library/mars_exploration/robotic_missions/orbiters/older_missions23.html (871 words)

	[No title]
		All images from the Phobos orbits (476, 501, 526, and 551) were processed with Phobos position information from the NAIF SP kernel file mar033-5.bsp.
		Owing to limitations in our processing software, coordinate information is relative to the IAU triaxial ellipsoid model of Phobos in some instances, and relative to a spheroid with equatorial radius 13.4 km and polar radius 9.2 km in other instances, and should be treated with some caution.
		For the first image, the flness of space around Phobos can be used for D and in the second, there is total shadow toward the bottom.
	www.vgl.org /webfiles/mars/phobos2/phobos2.htm (1813 words)

	MarsNews.com
		Everybody agrees on when the Phobos 2 mission ended: on or around March 27, 1989, as the probe was to come within 50 meters (160 feet) of Mars's moon Phobos, contact was lost.
		Subsequent reports by the Phobos 2 team, notably in the October 19, 1989 issue of "Nature", state that the spacecraft was spinning due to either a computer malfunction or an "impact event" by an unknown object.
		Mars's moon Phobos is playing an interesting role in the current efforts by international space agencies to engage in a Sample Return mission.
	www.marsnews.com /news/20020920-phobos2images.html (1231 words)

	Phobos 2
		Exploration Gallery \ Phobos 2 - 1989 - "Mission to Mars and Phobos"
		High resolution channel 2 data was also integrated into the final images.
		Phobos 2 mission information can be found here http://www.iki.rssi.ru/IPL/phobos.html
	astrosurf.com /nunes/explor/explor_ph2.htm (60 words)

	The Strange Case of Fobos-2
		In those cases, what was seen were shadows of the moonlet Phobos, stretched by being projected at a low angle to the Martian surface.
		So the roundish shadow of Phobos was on Mars's surface, within the field of view of the scanner, when the scanner was looking "down sun" at Mars.
		Selivanov explained that if the probe had been rock steady, the Phobos shadow would have left a dark streak right through the entire center of each image, as the image was assembled line-by-line over the course of each orbit.
	www.space.com /sciencefiction/phenomena/fobos_mystery_000630.html (1332 words)

	The demise of Phobos II
		The demise of Phobos II The demise of Phobos II by Pete Porro
		Termoscan's field of view on the martian surface was 650 kilometers (400 miles) wide, and the resolution was 1.8 kilometers (about 1 mile).
		The death of Phobos 2 resulted from a failure in the control system of its onboard computer.
	www.geocities.com /Area51/Corridor/8148/phobos.html (775 words)

	Spacecraft (Site not responding. Last check: 2007-10-31)
		Viking 2 was launched on September 9, 1975, and arrived in Martian orbit on August 7, 1976.
		Giotto was launched by an Ariane-1 by ESA on July 2 1985, and approached within 540 km +/- 40 km of the nucleus of Comet Halley on March 13, 1986.
		On July 2, 1990, Giotto made a close encounter with Earth and was retargeted to a successful flyby of comet Grigg-Skjellerup on July 10, 1992.
	www.seds.org /billa/tnp/spacecraft.html (3254 words)

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