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Topic: Hopper (spacecraft)

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	Hopper (spacecraft) - Wikipedia, the free encyclopedia
		Hopper is designed to be more economical than today's space vehicles and even reliable for manned space operations.
		In the first few decades of the 21st century, it will be the first independent manned European non-military attempt at space operations and will be an important part of the ISS project.
		Hopper is to be launched on a 4 km magnetic track which will accelerate it to launch speed, providing far cheaper access to space than the current Ariane 5 launcher.
	en.wikipedia.org /wiki/Hopper_(spacecraft) (157 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.
		The failure of controllers to regain contact with the spacecraft was traced to an error in the software uploaded on 29 August/30 August, which had deactivated the attitude thrusters.
		Shortly before the final phase of the mission, during which the spacecraft was to approach within 50 m of Phobos' surface and release two landers, one a mobile 'hopper', the other a stationary platform, contact with Phobos 2 was lost.
	en.wikipedia.org /wiki/Phobos_program (468 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.
		Contact with the vehicle was lost on March 27, 1989 shortly before the final phase of the mission during which the spacecraft was to approach within 50 meters of Phobos' surface and release its two landers.
	samadhi.jpl.nasa.gov /msl/QuickLooks/phobosQL.html (532 words)

	Hedda Hopper (Site not responding. Last check: 2007-10-17)
		Elda Hopper paid a numerologist $10.00 to tell her what name she should use, and the answer was Hedda.
		Hopper also had several acting roles during the latter part of her career, including a brief cameo appearance as herself in the movie Sunset Boulevard (1950), and another on a 1955 episode of TV's I Love Lucy.
		Hopper remained active as a writer until her death, producing six daily columns and a Sunday column for the Chicago Tribune syndicate, as well as writing countless articles for celebrity magazines such as Photoplay.
	www.kiwipedia.com /en/hedda-hopper.html (909 words)

	Spacecraft
		Spacecraft should be rated not according to speed, but rather the maximum acceleration of which they are capable.
		Spacecraft "speed" is assumed to indicate the maximum speed that a ship with a constant rate of positive acceleration could reach in the time the ship travels to a jumpgate.
		Fading Suns spacecraft are subject to the laws of inertia – they must accelerate to reach a certain velocity, and can’t just decide to suddenly be going 10% of lightspeed.
	www.geoza.com /fadingsuns/spacecraft.htm (3025 words)

	Fobos
		Two, nearly identical Soviet spacecraft intended to explore Mars from orbit and land probes on Phobos, the larger (but still very small) Martian moon.
		However, contact with the probe was lost on Mar. 27, 1989, two months after it had entered Martian orbit and shortly before the final phase of the mission during which the spacecraft was to approach within 50 m of Phobos’ surface and release its landers.
		This caused a loss of lock on the Sun, resulting in the spacecraft orienting its solar arrays away from the Sun, thus depleting the batteries.
	www.daviddarling.info /encyclopedia/F/Fobos.html (315 words)

	Patent 5067673: Essentially passive method for inverting the orientation of a dual spin spacecraft
		Generally speaking, dual spin satellites are spacecrafts which are generally comprised of a gyroscopic spinning body, oftentimes referred to as a rotor, rotatably coupled by a despin motor and bearing assembly to a relatively stationary body, oftentimes referred to as a despun platform.
		First of all, the useful life of the spacecraft can be significantly extended, since the amount of fuel required for these inversion maneuvers is typically 1/3 or so of the total fuel supply of a dual spin spacecraft fixed in a highly-inclined orbit.
		Prior to actually initiating the spacecraft inversion maneuver, however, it is necessary to determine whether the satellite 10 is nutationally stable at that particular point in time, which is primarily dependent upon the amount of propellant remaining in the rotor-mounted fuel tanks (not shown) and the mass distribution of the satellite 10 at that time.
	www.freepatentsonline.com /5067673.html (3894 words)

	Untitled
		The maximum altitude achieved by the hopper is important since the lunar poles are very mountainous and the hopper will most likely be targeted for a crater which may be one to five km deep.
		The core containment unit (the hopper) in the sample retrieval scenario is the sole point of contact of the lunar driller with humans once the mission has been initiated.
		This implies that the hopper's operational commands during the drilling operations are received from a central processing unit located in the lander base.
	www.tsgc.utexas.edu /archive/design/polar (17898 words)

	Mars Missions: Phobos 1 & 2 (Site not responding. Last check: 2007-10-17)
		Each spacecraft consisted of an orbiter and two landers that were designed to explore Mars' moon Phobos.
		One of the landers was a stationary platform, the other a "hopper" that would bounce from one spot on the moon to another.
		Each spacecraft was to approach within 50 meters of the moon's surface before releasing the probes.
	www.earthandspace.org /phobos2.htm (309 words)

	Weather May Disrupt Receipt of Cassini Signals :: Astrobiology Magazine :: Search for Life in the Universe
		This will not affect the SOI itself (the spacecraft will be under the automatic control of its onboard computers), but it will undoubtedly add to the drama in the JPL control room.
		Their placement ensures that at least one of the three is always available to communicate with spacecraft anywhere in the solar sytem.
		The bulk of the scientific data collected by the spacecraft will be sent back using the high-gain antenna, which is more powerful and can transmit at a higher data rate than the low-gain.
	www.astrobio.net /news/article1049.html (1013 words)

	Mars
		On March 21, 1963, when the spacecraft was at a distance of 106 million km communications ceased, possibly due to a malfunction in the spacecraft orientation system.
		The spacecraft flew by Mars on August 6, 1965, at a distance of 1500 km.
		The Mars 96 spacecraft was launched into Earth orbit, but failed to achieve insertion into Mars cruise trajectory and re-entered the Earth's atmosphere at about 00:45 to 01:30 GMT on 17 November 1996 and crashed within a presumed 320 km by 80 km area which includes parts of the Pacific Ocean, Chile, and Bolivia.
	www.astronautix.com /project/mars.htm (2168 words)

	New Scientist Breaking News - Inflatable spacecraft is missing (Site not responding. Last check: 2007-10-17)
		An experimental spacecraft with an inflatable heat shield has disappeared during its return to Earth on the remote Kamchatka peninsula in eastern Russia.
		Normal spacecraft use thick metal or ceramic heat shields to protect the vehicle during re-entry to the Earth's atmosphere and massive parachutes to slow it down.
		It is not unusual to lose contact with a spacecraft at this stage as debris, heat and electromagnetic fields can obscure the returning vehicle.
	www.newscientist.com /article.ns?id=dn2561 (480 words)

	Fact Sheet: Phobos Dynamics Experiment - Abstract
		The Phobos spacecraft were scheduled to arrive at Mars on January 25 and 29, 1989, after 480-million-kilometer (300-million-mile) flights taking them two-fifths of the way around the Sun.
		The "hopper" is a mobile instrument package which uses spring-loaded legs to jump 20 yards at a time to examine several surface locations.
		The spacecraft is normally stabilized relative to the Sun and the star Canopus, and is gyro-controlled during maneuvers.
	www.tsgc.utexas.edu /archive/characterizations/phobos.html (3185 words)

	Mars Spacecraft
		The spacecraft and attached upper stage either broke up as they were going into Earth orbit or had the upper stage explode in orbit during the burn to put the spacecraft into Mars trajectory.
		The failure of controllers to regain contact with the spacecraft was traced to an error in the software uploaded on 29/30 August which had deactivated the attitude thrusters.
		The spacecraft was launched into Earth orbit, but failed to achieve insertion into Mars cruise trajectory and re-entered the Earth's atmosphere at about 00:45 to 01:30 UT on 17 November and crashed within a presumed 320 km by 80 km area which includes parts of the Pacific Ocean, Chile, and Bolivia.
	www.geocities.com /goarana667/Marslist.htm (1310 words)

	Encyclopedia: Hopper (spacecraft) (Site not responding. Last check: 2007-10-17)
		Picture from first free flight in Vidsel, May 8, 2004 Phoenix is the prototype of Hopper, a proposed unmanned European reusable launch vehicle.
		Ariane 5 liftoff from Kourou Ariane 5 is an expendable launch system, designed and manufactured under the authority of the European Space Agency (ESA) by EADS SPACE Transportation, the Prime Contractor, leading a consortium of many sub-contractors, and is operated and marketed by Arianespace as part of the Ariane...
		Artists impression of the Hermes Shuttle A cutaway view of the Hermes Shuttle Hermes was a proposed mini-shuttle designed by the European Space Agency that externally had a lot of similiarities with the US X-20.
	www.nationmaster.com /encyclopedia/Hopper-%28spacecraft%29 (337 words)

	DaimlerChrysler Develops RLV Concept
		"Hopper" shall be driven by three Vulcain Mark 2 engines and shall lift off into a low earth orbit from a horizontal slide unit.
		The reusable "Hopper" with a length of about 40 meters and a wing span of 22 meters has a maximum take-off weight of up to 400 tons.
		The Hopper concept is based on reliable technologies and systems, which Dasa developed in programs such as "Sänger", or with the help of reentry and landing technologies.
	www.spacedaily.com /news/rlv-99m.html (430 words)

	Crew Exploration Vehicle - Wikipedia, the free encyclopedia
		But the main purpose of this spacecraft will be to carry astronauts beyond our orbit to other worlds.
		The CEV will launch on an expendable launch system and carry crews to low Earth orbit, to the vicinity of the Moon, and eventually to Mars and other destinations.
		The Lockheed Martin design is quite similar to their OSP design, but has some slight changes, mainly the presence of the mission module.
	en.wikipedia.org /wiki/Crew_Exploration_Vehicle (3960 words)

	Starship Drives
		The hopper drive is used to explore uncharted regions of space.
		Since the Hopper Drive's space-time warp is quite localised, the distance actually traversed by the ship is typically around 0.2 to 0.35 of a light year.
		Nevertheless, hopper travel is still quite slow as compared to jump travel, which is why hopper-ships have earned the nickname of "sloships".
	hkn.eecs.berkeley.edu /~drake/jump.html (3575 words)

	Cometary Big Dig :: Astrobiology Magazine :: Search for Life in the Universe
		But he says the most-hoped for and expected scenario is that the spacecraft will blow open a crater ranging somewhere between two to fourteen stories deep on the surface of the 6-kilometer wide comet, spraying dust, gas and ice into space for hours afterward.
		By crashing a spacecraft into a comet, scientists hope to get their first look at what kind of materials lie just beneath the comet's surface.
		The flyby spacecraft will take photos of the comet before, during and after the impact spacecraft crashes into the comet, and then will transmit that data to Earth over 30 days.
	www.astrobio.net /news/modules.php?op=modload&name=News&file=article&sid=1356&mode=thread&order=0&thold=0 (1188 words)

	Nat' Academies Press, A Scientific Rationale for Mobility in Planetary Environments (1999)
		Although both spacecraft suffered failures before they could begin close-up studies of Phobos, the low-gravity environment of the small, asteroid-like moon enabled a unique lander architecture and approach to mobility.
		After measurements were made at one location, two spring-loaded "legs" would extend and the hopper would literally jump to a new location up to 20 m away, using no chemical propulsion.
		Although their parent spacecraft failed before they could be released, these 60-cm-by-90-cm (approximate) hoppers were designed to leap from one site to another up to 20 m away and were outfitted with an array of scientific instruments, including an x-ray fluorescence spectrometer, a magnetometer, and a gravimeter.
	www.nap.edu /books/0309064376/html/38.html (590 words)

	sGallery: ART news archive - Hopper Masterpiece at Christie's N. Y. Post-War Auction (Site not responding. Last check: 2007-10-17)
		Edward Hopper is considered a cornerstone of some of the world’s most renowned collections of Post-War and Contemporary art and Chair Car, 1965, is one of the last Hopper paintings in private hands.
		In Chair Car, Hopper presents a poignant scene on a train car that elicits emotions of solitude and apprehension but at the same time hopeful anticipation of reaching a destination that are conveyed by the position and abstractness of the figures and the manipulation of color and light.
		Often, the viewpoint in Hopper’s work is that of a traveler, someone who is drawn to the subjects but not attached to them.
	www.sgallery.net /news/03_2005/25.php (601 words)

	Deep Space Offers New Technology Lab
		The program's goal is to identify and test advanced technologies that will provide future spacecraft with capabilities needed to achieve important science goals.
		Deep Space 3, a proposed optical interferometry mission involving spacecraft orbiting the Sun in formation, made significant progress in 1998, as the mission was reconfigured from three spacecraft to two.
		Engineering design experiments determined that separated spacecraft interferometry could be accomplished using two spacecraft separated by up to one full kilometer.
	www.spacedaily.com /news/deep1-99b.html (1043 words)

	Apollo
		The spacecraft "bus" concept could be adapted for use first on the Saturn C-1B and later on the Saturn C-5 launch vehicles.
		The Apollo Command Service Module was the spacecraft developed by NASA in the 1960's as a standard spacecraft for earth and lunar orbit missions.
		This was one of 18 conceptual designs published 25 April 1968 for the Earth-orbital spacecraft lunar module adapter laboratory prepared by spacecraft design experts of the MSC Advanced Spacecraft Technology Division.
	www.astronautix.com /craftfam/apollo.htm (3434 words)

	[Spacenews] Hayabusa Spacecraft Rounds Earth and Heads for Near-Earth Asteroid (Site not responding. Last check: 2007-10-17)
		During the Earth swingby, the spacecraft took images of the Earth and moon to test and calibrate the on board camera called AMICA (Asteroid Multi-band Imaging Camera).
		These Earth and lunar images can be viewed at: http://www.isas.ac.jp/e/snews/2004/0519.shtml Upon its arrival at the asteroid in the summer of 2005, the Hayabusa spacecraft will hover near the asteroid's surface for about four months.
		The spacecraft will collect up to three surface samples as its sample horn captures small pieces of the asteroid ejected when tantalum pellets are fired into its surface at 300 meters per second.
	bearclaw.bogus.net:8081 /pipermail/spacenews/2004-May/006820.html (374 words)

	Season Five Bloopers
		In the next episode, when she returns with Hopper and Callum, Kaftan is still unconscious, but is now slumped over one of the stools.
		Hopper only takes two smoke bombs with him into the tombs, but somehow manages to make four explosions down there.
		Earlier, when the rocket's fuel pumps were sabotaged, Hopper said that it would take three days to repair them, working non-stop.
	www.users.bigpond.com /steven_cooper/dw/bloop05.htm (1198 words)

	Gold Key STAR TREK Comics - Spacecraft
		The moon hopper could carry several passengers and was used circa the year 2000.
		Armed interplanetary spacecraft used in the defense fleet of the planet Nraka.
		Dozens of ships of this type fought a pitched battle to repel the Evictor ship used by the Sanoorans who returned in the mid 2260's to reclaim their planet which they fled half a million years ago due to a coming planetwide cataclysm.
	curtdanhauser.com /Ships.html (1915 words)

	Earth and Space Science \| Science Buzz
		The Cassini spacecraft photographed Titan as it passed by on October 26, 2004.
		NASA's Deep Impact spacecraft is about to crash a probe into a comet 83 million miles from Earth.
		July 4 and will be observed by ground and space based observatories as well as the Deep Impact spacecraft and probes themselves.
	www.smm.org /buzz/taxonomy/term/10/1?from=20 (499 words)

	Hopper (spacecraft)
		Hopper is the proposed European Space Programme orbital craft, more economical than their current Ariane series.
		As currently planned it will launch from a 4km electromagnetic rail, accelerated to launch speed for much less cost and with greater reliability than booster rockets.
		The article about Hopper (spacecraft) contains information related to Hopper (spacecraft).
	www.arikah.net /encyclopedia/Hopper_%28spacecraft%29 (98 words)

	THE ROVER (Site not responding. Last check: 2007-10-17)
		The spacecraft will be operated by students from a ground station located on-campus.
		Attitude control is passive using the magnetic field of the Earth to act on eight permanent bar magnets located in the spacecraft shell.
		The flight spacecraft is currently being constructed and is scheduled to be completed during the 2003-2004 academic year, clearing the way for placing the spacecraft in orbit as soon as a launch opportunity can be found.
	home.comcast.net /~khalsa1/spartnik (468 words)

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