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Topic: Cassini-Huygens

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In the News (Tue 21 May 19)

 Huygens probe - Wikipedia, the free encyclopedia
Huygens separated from the Cassini orbiter on December 25, 2004, and landed on Titan on January 14, 2005 near the Xanadu region.
Huygens probe separated from Cassini orbiter at 02:00 UTC on December 25, 2004 in SCET.
As Huygens is too small to transmit directly to Earth, it is designed to transmit the telemetry data obtained while descending through Titan's atmosphere to Cassini by radio, which would in turn relay it to Earth using its large 4-meter diameter main antenna. /wiki/Huygens_probe   (3184 words)

Huygens, with a separate suite of six science instruments, will separate from Cassini to fly on a ballistic trajectory toward Titan, the only celestial body besides Earth to have an atmosphere rich in nitrogen.
Cassini will first execute two gravity-assist flybys of Venus, then one each of the Earth and Jupiter to send it on to arrive at Saturn in July 2004.
The launch vehicle, Cassini spacecraft and attached Centaur stage encased in a payload fairing, altogether stand about 183 feet tall; mounted at the base of the launch vehicle are two upgraded solid rocket motors. /solar/span/cassini.htm   (739 words)

 Mission: Cassini Huygens
Cassini Huygens is an international collaboration to study Saturn and its largest moon, Titan.
Huygens landed on a plain of ice "gravel", with polished ice boulders strewn across the surface.
Cassini is the first spacecraft to make a long-term study of the Saturnian system. /m_cassini.htm   (324 words)

 BBC NEWS Science/Nature Cassini sends close-ups of rings
Cassini is set to fly past Titan about 36 hours after orbit insertion, giving scientists a better view of this little-known world before Huygens is despatched.
Cassini-Huygens - the main spacecraft carries the Huygens probe intended for delivery to Saturn's biggest moon, Titan - is the first human-made object to orbit around the ringed planet.
Cassini's instruments measure magnetic fields and radio waves, charged particles, cosmic dust, infrared and ultraviolet light. /1/hi/sci/tech/3857187.stm   (758 words)

 NASA - Cassini-Huygens: Close Encounter with Saturn
Views from the probe and Cassini's eight flybys of Titan have revealed that every geologic process on Earth is active on Titan.
This will be a "Titanic" year for Cassini, with 13 Titan flybys in all.
Image above: Cassini image of Titan, taken in May 2005. /mission_pages/cassini/main/index.html   (169 words)

 New Scientist SPACE - Special Report on Cassini: Mission to Saturn
ESA's Huygens probe was released by Cassini and descended through the dense atmosphere of Titan in January 2005.
The Cassini-Huygens mission is a $3 billion, 4-year tour of Saturn, its rings and many of its 40-odd known moons.
Cassini weighs as much as an adult male African elephant and is around the size of a 30-seater school bus. /channel/space/cassini-huygens   (1766 words)

In April 2002, the main engine's ignition corrected the probe's route during 9.8 sec while Cassini Huygens was 3 million km away from Earth.
Cassini and Huygens will not only bring scientific instruments.
Cassini will take a roundabout way : Titan IV is not powerful enough to throw a huge machine as Cassini directly into Saturn's sphere of influence, that is why il will follow a complex route by using the own gravity of several planets. /TITAN/05.htm   (1116 words)

 BBC NEWS Science/Nature Cassini's goodbye Huygens picture
Although the short life of Huygens' batteries means nothing will be heard from the probe after 14 January, the mothership Cassini's mission around the Saturnian system will continue for at least another three-and-a-half years.
Cassini has snapped an image of the Huygens probe it has just despatched to study Titan, Saturn's largest moon.
The two spacecraft components of the mission are named after 17th-Century astronomers who made the first clear observations of Saturn and its moons, Italian Jean-Dominique Cassini and Dutchman Christiaan Huygens. /1/hi/sci/tech/4127099.stm   (508 words)

 BNSC - Cassini Huygens
During its journey Huygens was hitching a ride on NASA’s Cassini spacecraft.
In January 2005 the ESA Huygens lander was the first probe to land on a world in the outer Solar System - on the surface of Titan, Saturn’s largest moon.
Cassini is looking closely at Saturn's atmosphere, its environment, complex ring structure and dozens of moons. /default.aspx?nid=4395   (143 words)

 Destination: Titan- news @ - science news
The Cassini craft has taken seven years to carry the Huygens probe to Titan.
This could mean that Huygens has ended up on dry land, rather than in a wintry sea, says Jean-Pierre Lebreton, Huygens' mission manager.
The Cassini spacecraft has arrived at Saturn to begin a four-year exploration of the ringed giant and its moons. /news/specials/titan/index.html   (432 words)

 Spaceflight Now | Cassini
The scientific objectives of the Cassini mission to study the planet Saturn, its rings and moons are explained by Charles Elachi, director of the Jet Propulsion Laboratory.
Cassini began the journey to the ringed world of Saturn nearly seven years ago and is now less than two months away from orbit insertion on June 30.
First images from the Cassini flyby of Phoebe reveal it to be a scarred, cratered outpost with a very old surface and a mysterious past, and a great deal of variation in surface brightness across its surface. /cassini   (5359 words)

 ESA Science & Technology: Engineering
The two pallets carry most of the Cassini orbiter's science instruments.
Launch mass (orbiter, Huygens descent probe, launch vehicle adapter, fuel)
In general, the entire spacecraft must be turned to orient the instruments in the correct observing direction, although three of the instruments possess their own single-axis articulation capability. /science-e/www/object/index.cfm?fobjectid=35026   (143 words)

 TPS: Cassini's Tour of the Saturn System
A radio transmission problem discovered in 2000 that would have caused the loss of data transmitted from Huygens to Cassini required the Huygens part of the mission to be delayed seven weeks from the originally planned date.
When Huygens and Titan met, Cassini passed close by the moon, listening for and recording Huygens' transmissions as the probe descended.
During this last phase of Cassini's operations, the orbit's inclination will once again be increased at the same time that it is shrunk smaller and smaller in order to permit observations of the ring system in greater and greater detail. /saturn/cassini_tour.html   (2029 words)

 ESA - Cassini-Huygens
Cassini to fly-by Titan and Huygens landing site
9 January 2006 This image of the moon Tethys was taken by the NASA/ESA/ASI Cassini spacecraft narrow-angle camera on 3 December 2005, at a distance of approximately 2.5 million kilometres from Saturn.
13 January 2006 One year ago this week, on 14 January 2005, ESA’s Huygens probe reached the upper layer of Titan’s atmosphere and landed on the surface after a parachute descent 2 hours and 28 minutes later. /export/SPECIALS/Cassini-Huygens   (164 words)

 ARVAL - Image Gallery - Cassini-Huygens to Saturn
After hitching a ride to Saturn aboard the Cassini orbiter, the Huygens probe, supplied by the European Space Agency, scrutinized the clouds, atmosphere, and surface of Saturn's most intriguing moon, Titan.
The Huygens Probe 'slept' for almost seven years as Cassini traveled to Saturn.
Cassini also revealed Jupiter's radiation belts to be much harsher than expected - information that will help engineers protect future robotic spacecraft - and spotted new details in Jupiter's auroras. /Cassinien.htm   (896 words)

 The Cassini-Huygens Mission to Saturn and Titan
Cassini is now in orbit around Saturn and sending back data.
The Cassini spacecraft was launched on October 15th, 1997.
This image shows Titan in ultraviolet and infrared wavelengths, taken by the Cassini spacecraft on 26 October 2004, during the close fly-by. /news/cassini   (176 words)

 Cassini-Huygens timeline - Wikipedia, the free encyclopedia
December 31 — Cassini's flyby of Iapetus occurred at 18:45:37 UTC at an altitude of 122645 kilometers.
June 11 — Cassini flew by the moon Phoebe at 19:33 UT in SCET at 2068 kilometers distance.
This was confirmed by the reception of the carrier wave emitted by the probe during its descent and touchdown. /wiki/Cassini-Huygens_timeline   (2573 words)

 ESA - Cassini-Huygens
16:00 - 16:30 Cassini returns the first data from Huygens
Huygens will wake up from a seven-year hibernation just hours before it plunges into Titan's atmosphere.
On 14 January, the European-built Huygens space probe will encounter one of the most mysterious bodies in our solar system: Titan, Saturn's largest and most intriguing moon. /esa/cassinihuygens   (311 words) -- Cassini Special Report
The Cassini spacecraft orbiting Saturn has finally spotted spokes cutting across the planet’s rings, a phenomenon astronomers have long hoped their plucky orbiter might find.
The international Cassini spacecraft has found visual evidence that Saturn's moon Enceladus is geologically active.
Cassini Finds Two Small, Surprising Moons at Saturn /cassini   (453 words)

 Cassini project at IRF-U
In the left picture above the main spacecraft Cassini is depicted passing over the Saturnian moon Titan, dropping the probe Huygens (to the left and below the Cassini spacecraft body) into the atmosphere of Titan.
In particular, the large moon Titan and its thick atmosphere is the main target of the Cassini/Huygens mission, where a small spacecraft (Huygens) will be detached from Cassini and descend through Titan's atmosphere in January 2005.
Saturn happens to be at its closest to the Earth ("at opposition", in astronomical language) during the Huygens landing. /cassini   (1123 words)

 CNN - The Cassini Mission - 1997
The Cassini mission is not only one of the most expensive ever, costing $3.4 billion, it's also one of the most controversial -- the Cassini rocket is carrying 72 pounds of plutonium - the most ever launched into space.
On the heels of its successful forays to Mars this year, NASA has embarked on a new voyage -- to Saturn.
The rocket is scheduled to arrive in orbit around Saturn in 2004. /SPECIALS/space/cassini   (81 words)

 ESA Science & Technology: Cassini-Huygens
The ESA component consists largely of the Huygens probe, which entered the atmosphere of Saturn's largest moon, Titan, and descended under parachute down to the surface.
The Cassini spacecraft is currently undertaking a four year exploration of the Saturnian system
The Huygens probe has successfully landed on Saturn's largest moon Titan. /science-e/www/area/index.cfm?fareaid=12   (159 words)

 Cassini-Huygens - Wikipedia, the free encyclopedia
Cassini released the Huygens probe on 25 December 2004, by means of a spring.
The total cost of the Cassini-Huygens mission is about US$3.26 billion, including $1.4 billion for pre-launch development, $704 million for mission operations, $54 million for tracking and $422 million for the launch vehicle.
Cassini's instrumentation consists of: a synthetic aperture RADAR mapper, a CCD imaging system, a visible/infrared mapping spectrometer, a composite infrared spectrometer, a cosmic dust analyzer, a radio and plasma wave experiment, a plasma spectrometer, an ultraviolet imaging spectrograph, a magnetospheric imaging instrument, a magnetometer, an ion/neutral mass spectrometer. /wiki/Cassini-Huygens   (159 words)

 Cassini-Huygens: Operations-Huygens Mission
Huygens separated from Cassini at 30 centimeters (about 12 inches) per second and a spin rate of seven revolutions per minute to ensure stability during the coast and entry phase.
After a seven-year journey bolted to the side of the Cassini Orbiter, Huygens was set free on Dec. 25, 2004.
Huygens was equipped with six science instruments designed to study the content and dynamics of Titan's atmosphere and collect data and images on the surface. /operations/huygens-mission.cfm   (802 words)

 ESA - Cassini-Huygens - Huygens descent timeline
Cassini will listen for Huygens's signal as long as there is the slightest possibility that it can be detected.
Timeline of expected events during the Huygens descent to the surface of Titan on 14 January 2005.
Huygens could land on a hard surface of rock or ice or possibly land on an ethane sea. /SPECIALS/Cassini-Huygens/SEMXYGQ3K3E_0.html   (705 words)

 Exploratorium: Cassini Mission to Saturn & Titan
The Huygens probe separated from Cassini in December 2004 and coasted a million miles to Saturn’s largest moon, Titan.
New information and images will be added as the Cassini-Huygens mission advances.
On October 15, 1997, the Cassini spacecraft rocketed into space, beginning a seven-year journey to Saturn. /saturn   (173 words)

In April 2002, the main engine's ignition corrected the probe's route during 9.8 sec while Cassini Huygens was 3 million km away from Earth.
Cassini will take a roundabout way : Titan IV is not powerful enough to throw a huge machine as Cassini directly into Saturn's sphere of influence, that is why il will follow a complex route by using the own gravity of several planets.
Huygens is equipped with an instrument that can measure the soil's hardness, and another one can measure the waves' impacts in the sea. /TITAN/05.htm   (1116 words)

 Mission: Cassini Huygens
Cassini Huygens is an international collaboration to study Saturn and its largest moon, Titan.
Huygens landed on a plain of ice "gravel", with polished ice boulders strewn across the surface.
Cassini is the first spacecraft to make a long-term study of the Saturnian system. /m_cassini.htm   (324 words)

 Cassini-Huygens-Operations-Saturn Arrival
Cassini's landmark tour of Saturn began July 1, 2004 UTC with the Saturn Orbit Insertion (SOI) engine burn.
Cassini's tour of the Saturn system is divided into 6 different segments.
Cassini will make 74 unique orbits around the planet, using close flybys of Saturn's largest moon Titan for gravity assists and science data acquistion. /operations/saturn-tour.cfm   (195 words)

 The Nine Planets Glossary
Images from Voyager and Cassini show a much smaller gap near the very outer edge of the A ring which has been named the Keeler Gap.
Encke had earlier seen a broad, poor contrast feature in the A-ring (now called the "Encke Minimum" by some amateurs) which is quite different from the sharp, distinct gap that Keeler recorded on the very first night of observing with the Lick 36-inch refractor.
On the other hand, the "Encke" gap which was seen by Keeler may have been seen even earlier by Francesco De Vico, William Lassell and/or the Rev. William R. Dawes. /nineplanets/nineplanets/help.html   (4842 words)

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