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	THEMIS
		THEMIS should determine without ambiguity the area of release of the under-storms and study the modes of reconfiguration of the magnetotail.
		The THEMIS project is a NASA mission of five satellites which instruments were designed by American scientists and in which French laboratories took part.
		The main objective of THEMIS is to determine without ambiguity the place of release and the nature of the macroscopic process (reconnection or interruption of current) responsible for the substorms, to study their relations of causality and to characterize the propagation and their couplings.
	smsc.cnes.fr /THEMIS (326 words)

	THEMIS (Time History of Events and Macroscale Interaction during Substorms)
		THEMIS (Time History of Events and Macroscale Interaction during Substorms)
		A future NASA MIDEX mission to study the onset of magnetic storms known as substorms within the tail of Earth’s magnetosphere.
		Led by Vassilis Angelopoulos of the University of California, Berkeley, THEMIS is scheduled for launch in October 2006.
	www.daviddarling.info /encyclopedia/T/THEMIS_satellite.html (150 words)

	Highbeam Encyclopedia - Search Results for Themis (Site not responding. Last check: 2007-11-05)
		Themis THEMIS [Themis], in Greek religion and mythology, a Titan.
		Astraea ASTRAEA [Astraea], in Greek religion and mythology, goddess of justice; daughter of Zeus and Themis.
		Because of the wickedness of man, she withdrew from the earth at the end of the Golden Age and was placed among the stars as the constellation Virgo.
	www.encyclopedia.com /SearchResults.aspx?Q=Themis (613 words)

	NSSDC Master Catalog Display: Spacecraft (Site not responding. Last check: 2007-11-05)
		Most importantly, THEMIS will find out which magnetotail process is responsible for substorm onset: (i) a local disruption of the plasma sheet current or (ii) that current's interaction with the rapid influx of plasma emanating from lobe flux annihilation at ~25Re.
		The satellite data will be combined with observations of the aurora from a network of ground observatories across the Arctic Circle.
		THEMIS is complementary to MMS in terms of the temporal and spatial scales of the phenomena observed by these two constellation missions.
	nssdc.gsfc.nasa.gov /database/MasterCatalog?sc=THEMIS (311 words)

	Spaceflight Now \| Breaking News \| NASA to build a five-satellite research mission
		THEMIS is a five-satellite mission with the job of determining the causes of the global reconfigurations of the Earth's magnetosphere that are evidenced in auroral activity.
		THEMIS consists of 5 small satellites, carrying identical suites of electric, magnetic, and particle detectors, that will be put in carefully coordinated orbits.
		The satellite data will be combined with observations of the aurora from a network of observatories across the Arctic Circle.
	spaceflightnow.com /news/n0303/21themis (926 words)

	Swales Aerospace - Spacecraft - THEMIS
		THEMIS provides answers to critical questions about the origin and phenomenology of solar and Earth magnetospheric interaction, the resultant electrical substorms, effects on space weather, disruptions in ground power grids, and communications.
		THEMIS consists of a constellation of five microsatellites (probes) carrying identical suites of electric field, magnetic field, and particle instruments used to determine the cause of global reconfiguration and transport of explosive releases of solar wind energy into the Earth’s magnetosphere, a region of the upper atmosphere that extends for thousands of miles.
		THEMIS launches in 2006 aboard a Delta II launch vehicle and complements many NASA Sun-Earth Connection (SEC) roadmap programs, acts as a technology pathfinder for future constellation missions, and is managed by the University of California Berkeley under contract to NASA’s GSFC Explorer Program.
	www.swales.com /spacecraft/themis.html (259 words)

	NASA's Solar System Exploration: News & Events: 06.15.06: Near Constant Scale of the Gas Planet Satellite Systems
		While individual satellite properties vary, the systems all share a striking similarity: the total mass of each satellite system compared to the mass of its host planet is very nearly a constant ratio, roughly 1:10,000.
		Using both numerical simulations and analytical estimates of the growth and loss of satellites, the team shows that multiple generations of satellites were likely, with today's satellites being the last surviving generation that formed as the planet's growth ceased and the gas disk dissipated.
		The team's direct simulations are also the first to produce satellite systems similar to those of Jupiter, Saturn and Uranus in terms of number of satellites, their largest masses and the spacings of the large satellite orbits.
	solarsystem.nasa.gov /news/display.cfm?News_ID=15376 (787 words)

	NASA To Launch THEMIS Constellation In October 2004
		The THEMIS satellites will fly as a constellation, carrying the same suites of electric, magnetic and particle detectors on all five probes, to determine the cause of global reconfigurations of the Earth's magnetosphere -- a region of the upper atmosphere that extends for hundreds of thousands of miles.
		Swales is the prime contractor for the satellites and satellite dispensers.
		THEMIS is a MIDEX class mission, a part of the NASA Explorer mission line, designed to accomplish frequent, high-quality space science investigations utilizing innovative, streamlined, and efficient management approaches.
	www.spacedaily.com /news/eo-04zzb.html (449 words)

	CSA - THEMIS: the stakeout for northern lights in the Canadian tundra
		Now NASA aims to launch a constellation of five small satellites in 2006, all carrying identical suites of electric, magnetic, and particle detectors to study aurora.
		Satellite data from the THEMIS mission (for "time history of events and macroscale interactions during substorms") will be compared to observations from ground stations across the Arctic Circle.
		THEMIS is a NASA-funded mission led by researchers at the University of California at Berkeley and involves scientists from the U.S., Canada, and Europe.
	www.space.gc.ca /asc/eng/sciences/themis.asp (646 words)

	Raytheon Company: Products & Services: Thermal Emission Imaging System (THEMIS)
		THEMIS is an imager on NASA’s Mars Odyssey 2001 Orbiter Mission.
		THEMIS acquires data in nine infrared bands from 6.5 to 15.5 µm at 100m resolution.
		The imagery and data from THEMIS was instrumental in the selection of landing sites for the subsequent Mars Exploration Rover (MER) sample collection and return missions.
	www.raytheon.com /products/themis (125 words)

	NASA - THEMIS
		Themis, the goddess of justice, wisdom and good counsel, the guardian of oaths in Greek mythology, represents the THEMIS mission.
		THEMIS is a NASA-funded mission managed by the Explorers Program Office at Goddard Space Flight Center in Greenbelt, Md. The Space Science Laboratory at the University of California at Berkeley is responsible for the project management, science instruments, mission integration, post launch operations and data analysis.
		The THEMIS mission plans to unravel the tantalizing mystery behind auroral substorms, an avalanche of magnetic energy powered by the solar wind that intensifies the northern and southern lights.
	www.nasa.gov /mission_pages/themis/main/index.html (253 words)

	Swales Aerospace Selected to Build Five Satellites In Support of NASA Medium-Class Explorer Mission
		Named THEMIS -- for Time History of Events and Macroscale Interactions during Substorms -- the 2007 mission is expected to provide answers to critical questions about the magnetosphere area and related space weather.
		THEMIS design activity is scheduled to begin next month with a Preliminary Design Review tentatively scheduled for August of this year.
		THEMIS consists of five small satellites carrying identical suites of electric, magnetic, and particle detectors which will be used to determine the cause of global reconfigurations of the earth's magnetosphere, a region of the upper atmosphere that extends for thousands of miles.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=104&STORY=/www/story/04-07-2003/0001921530&EDATE= (530 words)

	RedOrbit - Space - Swales Aerospace Delivers Micro-Satellite for NASA's THEMIS Mission (Site not responding. Last check: 2007-11-05)
		Each of the five satellites carries the same suite of electric, magnetic and particle instruments.
		Swales Aerospace is the prime contractor for the spacecraft bus and the satellite dispenser probe carrier.
		The THEMIS program is unique in that it is NASA's first scientific research micro-satellite constellation and has been critical to demonstrating the programmatic and technical feasibility essential to the future needs of the Heliophysics and Exploration communities for multi-point measurements that are vital to the scientific roadmaps for the next several decades.
	www.redorbit.com /news/space/455368/swales_aerospace_delivers_microsatellite_for_nasas_themis_mission/index.html?source=r_space (294 words)

	THEMIS (satellite) - Wikipedia, the free encyclopedia
		THEMIS is a planned NASA satellite to study substorms, a magnetic phenomenon that intensifies auroras near Earth's poles.
		The name of the satellite is an acronym for Time History of Events and Macroscale Interactions during Substorms.
		The mission will consist of five separate satellites orbiting together as a constellation to study energy releases from Earth's magnetosphere known as substorms.
	en.wikipedia.org /wiki/THEMIS_(satellite) (204 words)

	NASA Earth Science Data and Services: In Search of Martian Craters
		Because ASTER and THEMIS generate data that are so similar in wavelength and pixel size, they offer an ideal comparison opportunity.
		The grayscale image was taken in the visible wavelengths (18 meters per pixel) and shows ejected blocks, the outer crater rim, inner crater wall, and ejecta blanket.
		Since the ASTER and THEMIS instruments have very similar spatial and spectral resolutions in the VNIR and TI, data from ASTER can be used as an ideal analog for THEMIS data in studies of certain surface features, such as craters.
	nasadaacs.eos.nasa.gov /articles/2005/2005_craters.html (2463 words)

	HobbySpace - Space Gazette - Space For Everyone
		The Mars Student Imaging Project (MSIP) is a joint collaboration of NASA, JPL and the THEMIS team at Arizon State University.
		The Defense Department bought exclusive rights for the next couple of months to all imagery of the Afghanistan region by the Ikonos satellite, which is owned and operated by Space Imaging company, a subsidiary of of Lockheed-Martin.
		The use of satellite phones at the WTC site, when most cell phone antennas in the area were destroyed, and now in Afghanistan have shown the value of such systems for emergency backup and for telecommunications in remote areas.
	www.hobbyspace.com /AAdmin/archive/News/2001/News-2001-11-16.html (906 words)

	THEMIS
		THEMIS doit déterminer sans ambiguïté la région de déclenchement des sous-orages et étudier les modes de reconfiguration de la queue magnétique.
		Les 5 satellites en orbite équatoriale échelonnés selon un alignement radial sur des distances de 8 à 30 rayons terrestres.
		Le projet THEMIS est une mission de la NASA de cinq satellites dont les instruments ont été conçus par des scientifiques américains et auxquels ont participé des laboratoires français.
	smsc.cnes.fr /THEMIS/Fr (350 words)

	THEMIS E/PO : About Us (Site not responding. Last check: 2007-11-05)
		He developed the SatTrack Suite, a very comprehensive set of satellite orbit analysis and tracking tools that is widely used in government, academia and the aerospace industry.
		Currently he is working on the STEREO waves (SWAVES) instrument and is directing the radio tomography imaging study, the scientific analysis of the FAST electric field experiment.
		Data from these 16 imagers, and four more in Alaska, will be merged together in mosaics and ultimately used to create movies of the aurora with temporal and spatial resolution and geographic coverage never before achieved.
	ds9.ssl.berkeley.edu /themis/aboutus_sciteam.html (540 words)

	[No title]
		Craig will provide direction and coordination of the THEMIS Education and Public Outreach (E/PO) effort and will ensure the execution and management of the proposed activities with the help of partner institutions’ key E/PO personnel.
		After the THEMIS satellites are in orbit and taking data, she will help with on-board calibration of the ESAs.
		His research, mostly in the area of solar-terrestrial interactions, ULF waves, geomagnetic disturbances and substorms, has resulted in over 135 publications, the authoring or co-authoring of about 200 papers at scientific meetings, and co-editor of the AGU Monograph on Space Weather.
	cse.ssl.berkeley.edu /laura/themis_web/about_us.doc (1742 words)

	Delta 2 Tank Worries Delay STEREO Launch
		An upcoming Global Positioning System satellite launch for the U.S. Air Force, however, is in the clear because the Delta 2 built for that mission does not include one of the suspect tanks.
		He said the investigation has not concluded and that it would be “too early to speculate” on exactly why the tank leaked and what corrective actions might be necessary.
		Shores said the Delta 2 rockets ordered by the U.S. Air Force for GPS satellites launches were built before second-stage tank production shifted to Italy and so are not being scrutinized for the problem found on the THEMIS rocket.
	www.space.com /businesstechnology/060904_business_monday.html (980 words)

	The First THEMIS Probe, F2, Tested at JPL (Site not responding. Last check: 2007-11-05)
		The first THEMIS satellite, also known as a THEMIS probe, that was ready for testing with everything intact, is known as probe F2.
		It was driven by truck from the Space Sciences Laboratory (SSL) at the University of California in Berkeley to the Jet Propulsion Laboratory (JPL) in Pasadena, California on March 20, 2006.
		In this image, the truck with the THEMIS F2 probe is sitting outside a JPL loading dock with a fork lift ready to take it inside.
	ds9.ssl.berkeley.edu /themis/buildingthemis/01.html (96 words)

	Swales Delivers Final Micro-Satellite For NASA THEMIS Mission
		THEMIS comprises five identical high-performance satellites flying through Earth's magnetosphere, a region of the upper atmosphere extending for hundreds of thousands of miles.
		THEMIS is designed to determine the dynamics of the phenomena known as auroras - or Northern Lights in the northern hemisphere.
		THEMIS is part of NASA's Medium Explorer, or MEDEX, program.
	www.spacedaily.com /reports/Swales_Delivers_Final_Micro_Satellite_For_NASA_THEMIS_Mission.html (430 words)

	[No title]
		satellite observations of aurora: a well defined oval of light around the magnetic north and south poles which then brightens in a localized region (usually around midnight), then the oval of light expands both poleward and equatorward very quickly with the oval breaking into many different small structures.
		Sun-Earth Connection in some early year, someone noticed connection between sunspots on sun and auroral activity turns out the upper atmosphere of the sun is so hot that it flies out into space and escapes the sun's gravity = solar wind.
		there are currently two competing theories for what happens in the magnetosphere to cause the aurora to erupt into fast moving and small forms of light in the sky, known as breakup THEMIS Mission was in part named after the goddess Themis who is the Goddess of Justice.
	cse.ssl.berkeley.edu /laura/themis_web/Science_Outline.doc (678 words)

	RedOrbit - Space - Swales Aerospace Delivers Final Micro-Satellite for NASA's THEMIS Mission (Site not responding. Last check: 2007-11-05)
		The THEMIS (Time History of Events and Macroscale Interactions during Substorms) mission is unique in that it is NASA's first scientific research micro- satellite constellation consisting of five identical, high performance satellites flying in the Earth's magnetosphere, a region of the upper atmosphere extending for hundreds of thousands of miles.
		The mission will determine the energetic triggering of explosive particle events in geo-space that manifest themselves, in the northern skies, as violent eruptions of the aurora, or northern lights.
		Each of the five satellites carries a comprehensive suite of electric, magnetic and particle instruments.
	www.redorbit.com /news/space/536666/swales_aerospace_delivers_final_microsatellite_for_nasas_themis_mission/?source=r_space (353 words)

	Red Cloud Indian School \| Pine Ridge, SD
		For decades, scientists have understood many of the basic ingredients that lead from solar storms to auroral displays, but the exact chain of events that leads from one stage to the other has been illusive.
		By carefully tracking the sequence of changes at each satellite, scientists will be able to conclusively show just how the triggering events for aurora are actually orchestrated.
		This data will be compared to the timeline of events which scientists will put together from the five satellites, and help scientists test which theory is correct.
	www.redcloudschool.org /breakingnews/themis.htm (461 words)

	Maryland Space Grant Consortium - Undergraduate Program
		Swales Aerospace is designing and building a set of five satellites to support NASA's THEMIS (Time History of Events and Macroscale Interactions during Substorms) MIDEX (Medium Explorer) Mission.
		THEMIS will use a constellation of these five satellites to study the origin and behavior of the Sun-Earth magnetospheric interaction.
		Daniel Senai-Alemou's main task is to design and build a high-fidelity mock-up of a THEMIS satellite, in order to analyze the integration process of the various subsystems and scientific instruments that it's composed of.
	www.mdspacegrant.org /daniel_senai.html (160 words)

	Mars Odyssey Mission THEMIS: Image of the Day
		Detailed information on this image is available at the THEMIS Data Releases website.
		October 4, 1957 marked the 45th anniversary of the dawn of the Space Age.
		Cliff faces, dissected gullies, and heavily eroded impact craters are observed in the bottom half of the image at the terminus of a flat-topped plateau.
	themis.la.asu.edu /zoom-20021004a.html (217 words)

	Themis
		Themis was a planned ESA booster stage demonstrator, to validate integrated propellant tank technology necessary for a reusable Ariane 5 successor.
		THEMIS would carry 33 tonnes of propellant, enough to reach Mach 11.
		SkyTerra And MSV Consolidate Ownership Of Mobile Satellite Ventures
	www.astronautix.com /lvs/themis.htm (153 words)

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