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Topic: Cassini probe


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In the News (Mon 18 Mar 19)

  
 [No title]   (Site not responding. Last check: 2007-09-17)
The Cassini unmanned space probe is intended to study Saturn and its moonss.
Cassini's instrumentation consists of: a 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.
The PSE includes the electronics necessary to track the probe, to recover the data gathered during its descent, and to process and deliver the data to the orbiter, from which it will be transmitted or "downlinked" to the ground.
www.informationgenius.com /encyclopedia/c/ca/cassini_probe.html   (1204 words)

  
 Cassini-Huygens - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-09-17)
Cassini's instrumentation consists of: a synthetic aperture RADAR mapper, a CCD imaging system, a visible/infrared mapping spectrometer, a composite infrared spectrometer, a 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.
The PSE includes the electronics necessary to track the probe, to recover the data gathered during its descent, and to process and deliver the data to the orbiter, from which it was transmitted or "downlinked" to Earth.
Cassini released the Huygens probe on 25 December, 2004, by means of a spring.
www.leessummit.us /project/wikipedia/index.php/Cassini_probe   (4096 words)

  
 Cassini-Huygens - Wikipedia, the free encyclopedia
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.
Cassini's launch trajectory did not bring it within suitable vicinity of any large metropolis and the design of the RTGs would mean that they would be very unlikely to even fracture in the case of a catastrophic mission abort.
In May, 2005, Cassini began a series of occultation experiments, designed to measure the size-distribution of particles in Saturn's Rings, and to measure the atmosphere of Saturn itself.
en.wikipedia.org /wiki/Cassini_probe   (4687 words)

  
 Space Today Online - Exploring Saturn - The Cassini Mission
The Cassini mission marks the first time a space probe has attempted to land on the moon of another planet, providing the first direct sampling of the Earth-like atmosphere of Titan and the first detailed pictures of its previously hidden surface.
Cassini, in development since October 1989, is a cooperative endeavor of U.S. National Aeronautics and Space Administration (NASA), the European Space Agency (ESA) and the Italian Space Agency (Agenzia Spaziale Italiana).
The Cassini orbiter dropped Huygens via parachute to the surface of Titan where it landed January 14, 2005, and reported on the moon's atmosphere and produced a panoramic photograph of the moon.
www.spacetoday.org /SolSys/Saturn/SaturnFlight.html   (1570 words)

  
 ESA Science & Technology: Huygens Probe Separation and Coast Phase
As the probe descended through the atmosphere the Cassini probe passed by Titan at a distance of 60 000 kilometres.
Cassini's background sequence S07 began on 16 December, and contained the bulk of the critical probe activities, including release and descent of Huygens.
The probe relay critical sequence, for communications between the Huygens Probe and Cassini Orbiter during the approach to Titan and descent in the atmosphere, was uplinked separately from the background sequence S07 on 18 and 19 December.
sci.esa.int /science-e/www/object/index.cfm?fobjectid=34956   (1042 words)

  
 AllRefer.com - space probe (Space Exploration) - Encyclopedia
Instruments carried by space probes include radiometers, magnetometers, and television cameras sensitive to infrared, visible, and ultraviolet light; there also may be special detectors for micrometeors, cosmic rays, gamma rays, and solar wind.
A probe may be directed to orbit a planet, to soft-land instrument packages on a planetary surface, or to fly by as close as a few thousand miles from one or more planets.
The particulars of trajectory and instrumentation of each space probe are tailored around the mission's scientific and technological objectives; the data provided by a single space probe may require months or even years of analysis.
reference.allrefer.com /encyclopedia/S/spacepro.html   (876 words)

  
 The Risk of Cassini Probe Plutonium
The probe is to be launched on a Titan IV rocket, despite the poor record of Titan rockets.
Cassini does not have the propulsion power to get directly from Earth to its final destination of Saturn, so NASA intends to hurtle back to Earth for a "sling shot maneuver" - to use earth's gravity to increase its velocity so it can reach Saturn.
The European Space Agency has developed new high-efficiency solar cells for space probes and intends to use solar power instead of plutonium to generate 500 watts of electricity on its Rosetta probe that is to go beyond the orbit of Jupiter and rendezvous with a comet.
www.lightparty.com /Misc/CASSINI.html   (860 words)

  
 Cassini-Huygens: Spacecraft
Two elements comprise the spacecraft: The Cassini orbiter and the Huygens probe.
The Cassini orbiter has 12 instruments and the Huygens probe had six.
Cassini's instruments can be classified as remote and microwave remote sensing instruments, and fields and particles instruments--these are all designed to record significant data and take a variety of close-up measurements.
saturn.jpl.nasa.gov /spacecraft/index.cfm   (479 words)

  
 BBC NEWS | Science/Nature | Cassini sends close-ups of rings
The $3.3bn probe fired its main engine for 95 minutes to slow it sufficiently to be captured by the gravity of Saturn and begin its four-year science mission.
Cassini's instruments measure magnetic fields and radio waves, charged particles, cosmic dust, infrared and ultraviolet light.
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.
news.bbc.co.uk /2/hi/science/nature/3857187.stm   (758 words)

  
 Cassini
Cassini was launched on October 15, 1997 atop a Titan IV-Centaur rocket from Cape Canaveral, Florida.
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.
www.solarviews.com /eng/cassini.htm   (739 words)

  
 StarDate Online | Cassini Probe (2004) Images and Updates
After the Huygens probe successfully parachuted through the thick atmosphere of Saturn's largest moon, Titan, the Cassini spacecraft is continuing to study Saturn, its rings, Titan, and many of the giant planet's other moons.
Cassini entered orbit around Saturn on June 30, 2004, and is scheduled to study the Saturn system for four years.
Cassini has flown close to several moons during its 15 months in orbit around Saturn, and it scheduled to make many more close passes during the remainder of its mission.
stardate.org /resources/gallery/cassini   (2011 words)

  
 Cassini probe would carry 72 pounds of plutonium   (Site not responding. Last check: 2007-09-17)
In October 1997, NASA plans to launch the Cassini probe to Saturn, carrying 72.3 pounds of plutonium fuel--the largest amount ever used on a space-craft.
An environmental impact statement released by NASA in 1994 estimated the risk of the probe's hitting Earth during its fly-past in 1999 as 1-in-1.3 million and said there was a 1-in-900 chance of radioactive release during launch.
The use of plutonium on the $3.4 billion Cassini mission and the horrific danger it represents is unnecessary.
www.afn.org /~iguana/archives/1997_04/19970403.html   (1284 words)

  
 SPACE.com -- Cassini Releases Huygens Probe
PASADENA, Calif. (AP) -- A probe once attached to the international Cassini spacecraft was on its own Saturday for the first time, headed on a slow, tumbling course into the hazy atmosphere of Saturn's planet-size moon Titan.
Cassini used springs to gently push the 705-pound probe away late Friday at a rate of one foot per second, sending it on a three-week free-fall toward Titan.
It also is a key target of Cassini's $3.3 billion mission to study the Saturn system, including the planet's spectacular rings and numerous moons.
www.space.com /scienceastronomy/cassini_huygens_041224.html   (624 words)

  
 Saturn probe sends stunning ring views - Space News - MSNBC.com
Earlier NASA probes had taken pictures of the rings as they flew by, but with nowhere near the resolution seen in the Cassini images.
Cassini discovered several of Saturn's moons, as well as a gap between Saturn's rings that now bears his name: the Cassini Division.
Cassini was launched on Oct. 15, 1997, from Cape Canaveral, Fla., over the objections of anti-nuclear protesters who feared what might happen if the rocket exploded while carrying Cassini and its 72 pounds (33 kilograms) of plutonium, which powers the spacecraft.
www.msnbc.msn.com /id/5333700   (1329 words)

  
 CBS News | Cassini Probe To Slip Into Orbit | June 28, 2004 09:28:10
Cassini, laden with a dozen instruments, also carries a probe named Huygens that will be launched into the murky atmosphere of Titan.
Cassini is 22 feet long, 13.1 feet wide and weighed nearly 12,600 pounds loaded with fuel and the probe.
The wok-shaped Huygens probe, developed by the European Space Agency, will be released from Cassini in December and will enter Titan's atmosphere in January.
www.cbsnews.com /stories/2004/06/15/tech/main623294.shtml   (877 words)

  
 Spacecraft
Mariner 9, the sister probe to Mariner 8 which failed on launch, became the first craft to orbit Mars in 1971.
The probe did return the first close-up images of the Venusian atmosphere in ultraviolet, revealing previously unseen details in the cloud cover, plus the fact that the entire cloud system circles the planet in four Earth days.
Cassini is a joint NASA/ESA project designed to accomplish an exploration of the Saturnian system with its Cassini Saturn Orbiter and Huygens Titan Probe.
www.seds.org /billa/tnp/spacecraft.html   (3254 words)

  
 Cassini Space Probe approaches Jupiter
The probe encountered the field weeks previous to its close encounter with the planet, and the field then collapsed, leaving the probe to have another encounter with the field much closer to the planet days before Christmas 2000.
Cassini's fly by of Jupiter will last until this spring, and it is also scheduled to drop a probe onto Titan, a moon of Jupiter.
One of the tasks of the Cassini probe is to study Jupiters weather.
www.awitness.org /news/january_2001/cassini_jupiter.html   (384 words)

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

  
 CBS News | Cassini Probe Nears Saturn | June 30, 2004 17:54:19
It is a NASA probe that's been traveling through space for the last seven years, and is now finally poised to give scientists an unprecedented view of one of out most distant and fascinating planets.
Cassini, due to enter Saturn's orbit Wednesday night, gathered radio data from April 29, 2003, to June 10, 2004.
Inside the Cassini is a probe called the Huygens, which will parachute through the atmosphere and land on and explore Saturn's largest Moon: Titan.
www.cbsnews.com /stories/2004/06/29/tech/main626662.shtml   (728 words)

  
 ABC News: Cassini Launches Probe Toward Saturn Moon   (Site not responding. Last check: 2007-09-17)
In this artist's concept released by NASA, the Cassini spacecraft is seen with the European Space Agency's Huygens probe attached underneath as it approaches Saturn.
The Cassini spacecraft will launch the Huygens probe on a course that should send it plunging into the atmosphere of Saturn's big moon Titan, Friday, Dec. 24, 2004.
PASADENA, Calif. Dec 25, 2004 —; A probe once attached to the international Cassini spacecraft was on its own Saturday for the first time, headed on a slow, tumbling course into the hazy atmosphere of Saturn's planet-size moon Titan.
abcnews.go.com /US/wireStory?id=359177   (614 words)

  
 Cassini probe snaps close-up of Saturn - Space.com - MSNBC.com
In the new photograph, Saturn is 60 percent larger than it was in the last Cassini image, made in December.
Cassini's picture shows no sign of the spokes, which were thought to be caused by dust diffraction.
Cassini was 43.1 million miles (69.4 million kilometers) from Saturn.
www.msnbc.msn.com /id/4400056   (689 words)

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