W&T Wetenschap & Technologie
Een plek om te discussiėren over wetenschappelijke onderwerpen, wetenschappelijke problemen, technologische projecten en grootse uitvindingen.
quote:Op zaterdag 11 maart 2006 12:31 schreef Marvin-THE-MARTiAN het volgende:
*Jee* Hogere resolutie images/ gedetaileerdere bodem analyse/ meer info omtrendt mog. aanwezigheid water/ grotere data transfer-rate
tevens verkapte topic kickquote:Mars Reconnaissance Orbiter In Orbit
by Staff Writers // Pasadena CA (SPX) Mar 10, 2006
[...] 350-million-mile journey - [...] achieve[d] a proper orbit.
[...]
Before the MRO can begin its two-year science mission, however, it must spend nearly seven more months adjusting its instruments and its orbit, using an experimental process called aerobraking.
As explained by Graf, the spacecraft's initial capture by Martian gravity has placed it into an elongated, 35-hour orbit. Then, the spacecraft will use hundreds of guided dips into the upper Martian atmosphere. The maneuvers will apply atmospheric drag to slow the MRO - but not overheat it - and reshape its orbit into a nearly circular, two-hour loop at an altitude of 200 miles (321 kilometers).
This strategy allowed NASA to save 500 kilograms (1,100 lbs.) at launch, but "aerobraking is like a high-wire act in open air," Graf said. The Martian atmosphere can swell rapidly, "so we need to monitor it closely to keep the orbiter at an altitude that is effective and safe."
The orbiter is carrying six instruments to study Mars from its subsurface geology to its high thin cloudtops. They include the most powerful telescopic camera ever sent to another planet - it can image rocks the size of a small desk. Those instruments will allow the spacecraft to "return as much information as all previous Mars missions combined," said Michael Meyer, the orbiter's chief scientist.[...]
In addition to the camera, the orbiter carries an advanced mineral mapping instrument called PRISM, which can handle 600 channels of spectrographic information and can identify water-related deposits in areas as small as a baseball infield. Its 30-foot radar antenna will probe for ice and water buried as deep as a half-mile below the surface. Its weather camera will monitor the entire planet daily, and its infrared Climate Sounder will monitor atmospheric temperatures and the movement of water vapor.
In all, the MRO represents an extension of all of NASA's planetary exploration capabilities, including - after it finishes its science mission - communications relay. "The instrumentation is unprecedented," Meyer said, adding that the orbiter can transmit data approximately 10 times faster than any previous Mars craft, and it is expected to return more data than all previous Mars missions combined.
[...]
"We're hoping we can actually image the rovers," he added.
and can identify water-related deposits in areas as small as a baseball infield. Its 
"Mijn" fotoalbum...
-->creationisme _O- --> http://en.wikipedia.org/wiki/Panspermia *O* evolutie & Darwin O+
-->
Woah . De rovers, zijn die niet ongeveer de grootte van een desk? Zal wel niet heel duidelijk worden dan, maar toch cool. Misschien toch nog een fotootje van de Beagle 2 ook .
They told me all of my cages were mental, so I got wasted like all my potential.
Die hebben ze al gevondenquote:Op woensdag 15 maart 2006 10:00 schreef speknek het volgende:
Woah . De rovers, zijn die niet ongeveer de grootte van een desk? Zal wel niet heel duidelijk worden dan, maar toch cool. Misschien toch nog een fotootje van de Beagle 2 ook .
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Met de Mars global surveyor hebben ze iets gezien dat *vermoedelijk* de crashland-site van beagle 2 is. Het ding is heel, maar hij is ongelukkig in een kratertje terecht gekomen. Met MRO zullen ze hem duidelijk kunnen zienquote:
Ik vraag me af waar die maanfoto's van de ESA blijven waarop ze apollo-spul gespot hebben...
"End this war against drugs. Legalise the drug against wars."
-
[b]Op donderdag 28 september 2006 09:12 schreef Rio het volgende:[/b]
Uiteindelijk is dit een star_gazer-krijgt-een-keiharde-lul-van-zichzelf-omdat-hij-zichzelf-verheven-voelt topic.
-
[b]Op donderdag 28 september 2006 09:12 schreef Rio het volgende:[/b]
Uiteindelijk is dit een star_gazer-krijgt-een-keiharde-lul-van-zichzelf-omdat-hij-zichzelf-verheven-voelt topic.
Ben benieuwd naar de testfoto'squote:New Mars Orbiter Ready for Action
Scientists and engineers are ready to start testing the image-taking
skills of the newest spacecraft to swing into orbit around Mars.
NASA’s Mars Reconnaissance Orbiter (MRO) is in great shape after
its arrival at the planet on March 10. It is now being readied to produce
its first images of Mars this week—using the most powerful telescope
camera ever sent to another planet.
The University of Arizona’s super-powerful High Resolution Imaging Experiment (HiRISE)
camera is scheduled to relay first test shots of Mars on March 23 to the
HiRISE Operations Center at the University of Arizona in Tucson.
Lees verder......
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NASA's New Mars Orbiter Returns Test Images
The first test images of Mars from NASA's newest spacecraft
provide a tantalizing preview of what the orbiter will reveal
when its main science mission begins next fall.
Full Story...
First Mars Image from Newly Arrived Camera
[url=http://hiroc.lpl.arizona.edu/first_images/images/AEB1_red_full_scale.jpg]Grotere Versie (44.8 MB)
Detail of First Mars Image from Newly Arrived Camera
Grotere versie
[ Bericht 9% gewijzigd door -CRASH- op 25-03-2006 22:58:33 ]
The first test images of Mars from NASA's newest spacecraft
provide a tantalizing preview of what the orbiter will reveal
when its main science mission begins next fall.
Full Story...
First Mars Image from Newly Arrived Camera
[url=http://hiroc.lpl.arizona.edu/first_images/images/AEB1_red_full_scale.jpg]Grotere Versie (44.8 MB)
Detail of First Mars Image from Newly Arrived Camera
Grotere versie
[ Bericht 9% gewijzigd door -CRASH- op 25-03-2006 22:58:33 ]
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super CRASHquote:Op zaterdag 25 maart 2006 22:43 schreef -CRASH- het volgende:
NASA's New Mars Orbiter Returns Test Images
2x img
Ik was ze al ergens tegengekomen, maar had nog niet de tijd gehad om ze te posten!! toppie
"Mijn" fotoalbum...
-->creationisme _O- --> http://en.wikipedia.org/wiki/Panspermia *O* evolutie & Darwin O+
-->
Ik was het al bijna weer vergetenquote:Op zondag 26 maart 2006 21:33 schreef Marvin-THE-MARTiAN het volgende:
[..]
super CRASH
Ik was ze al ergens tegengekomen, maar had nog niet de tijd gehad om ze te posten!! toppie
Maar het zijn idd super foto's
En nu maar wachten
En wij krijgen maar 2 foto's te zienquote:More than 25 gigabits of imaging data, enough to nearly fill five CD-ROMs,
were received through NASA's Deep Space Network station at Canberra,
Australia, and sent to JPL.
They were made available to the camera teams at the University of Arizona
Lunar and Planetary Laboratory and Malin Space Science Systems, San Diego, Calif.
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First Images from Mars Orbiter's High Resolution Camera Wow Researchers
The first color image from the MRO is
not the natural color of the planet if
observed by human eyes, but infrared color,
shifted to longer wavelengths.
The image has been processed to
enhance subtle color variations.
Lees verder....
The first color image from the MRO is
not the natural color of the planet if
observed by human eyes, but infrared color,
shifted to longer wavelengths.
The image has been processed to
enhance subtle color variations.
Lees verder....
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Mars Cameras Debut as NASA Craft Adjusts Orbit
Researchers today released the first Mars images from two of the three science cameras on NASA's Mars Reconnaissance Orbiter.
Images taken by the orbiter's Context Camera and Mars Color Imager during the first tests of those instruments at Mars confirm the performance capability of the cameras. The test images were taken from nearly 10 times as far from the planet as the spacecraft will be once it finishes reshaping its orbit. Test images from the third camera of the science payload were released previously
Lees verder.....
View of Argyre Basin from Test of Mars Color Image
First Context Camera Image of Mars
Researchers today released the first Mars images from two of the three science cameras on NASA's Mars Reconnaissance Orbiter.
Images taken by the orbiter's Context Camera and Mars Color Imager during the first tests of those instruments at Mars confirm the performance capability of the cameras. The test images were taken from nearly 10 times as far from the planet as the spacecraft will be once it finishes reshaping its orbit. Test images from the third camera of the science payload were released previously
Lees verder.....
View of Argyre Basin from Test of Mars Color Image
First Context Camera Image of Mars
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MRO: Delicate Dips into the Martian Atmosphere
By Leonard David Senior Space Writer posted: 12 May 2006 03:43 pm ET
NASA’s newest mission to the red planet—the Mars Reconnaissance Orbiter (MRO)—is working well as it shaves off altitude in order to swing into active science-gathering duties later this year.
The initial capture by Mars’ gravity put the spacecraft into a very elongated, 35-hour orbit.
Now underway is the delicate art of “aerobraking”—using hundreds of cautiously calculated dips into the upper atmosphere of Mars. The process uses brief burns from MRO’s thrusters. Those dips have to be deep enough to slow the spacecraft by atmospheric drag … but not deep enough to overheat or damage the orbiter.
Lees verder....
By Leonard David Senior Space Writer posted: 12 May 2006 03:43 pm ET
NASA’s newest mission to the red planet—the Mars Reconnaissance Orbiter (MRO)—is working well as it shaves off altitude in order to swing into active science-gathering duties later this year.
The initial capture by Mars’ gravity put the spacecraft into a very elongated, 35-hour orbit.
Now underway is the delicate art of “aerobraking”—using hundreds of cautiously calculated dips into the upper atmosphere of Mars. The process uses brief burns from MRO’s thrusters. Those dips have to be deep enough to slow the spacecraft by atmospheric drag … but not deep enough to overheat or damage the orbiter.
Lees verder....
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Ik wacht nog steeds op de echte foto's Ik vind deze foto's echt nog niet spectaculair
Interessant Nederlands artikeltje over de sonde
Interessant Nederlands artikeltje over de sonde
Dan ben je niet de enigequote:Op maandag 14 augustus 2006 13:22 schreef AstroNova het volgende:
Ik wacht nog steeds op de echte foto's Ik vind deze foto's echt nog niet spectaculair
Interessant Nederlands artikeltje over de sonde
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kom maar op met die data
"End this war against drugs. Legalise the drug against wars."
-
[b]Op donderdag 28 september 2006 09:12 schreef Rio het volgende:[/b]
Uiteindelijk is dit een star_gazer-krijgt-een-keiharde-lul-van-zichzelf-omdat-hij-zichzelf-verheven-voelt topic.
-
[b]Op donderdag 28 september 2006 09:12 schreef Rio het volgende:[/b]
Uiteindelijk is dit een star_gazer-krijgt-een-keiharde-lul-van-zichzelf-omdat-hij-zichzelf-verheven-voelt topic.
Views of HiRISE Imagesquote:MRO Successfully Concludes Aerobraking 30-08-2006
Nearly six months after it entered orbit, Mars Reconnaissance Orbiter has concluded its aerobraking phase. The spacecraft had been dipping in and out of the red planet's atmosphere to adjust its orbit. On August 30, 2006, during its 445th orbit, the spacecraft fired its intermediate thrusters to raise the low point of its orbit and stop dipping into the atmosphere.
The six-minute engine burn began at 10:36 a.m. (PST), altering the spacecraft's course so that its periapsis (the closest it comes to the planet) is about 210 kilometers (130 miles) above the planet, well above the atmosphere.
"Aerobraking has changed the course of the spacecraft from just over 35 hours per orbit to just under two hours per orbit and it has saved us roughly 600 kilograms of fuel," said Dan Johnston, Mars Reconnaissance Orbiter Deputy Mission Manager. "Getting out of aerobraking was a phenomenal moment and everyone on the flight teams has done a fantastic job to get us where we need to be for science acquisition."
The next step for the spacecraft will be two additional orbit adjustments to put the orbiter in the ideal path to begin gathering the most detailed scientific data yet from the red planet. The mission's main science observations are scheduled to begin in November, after a period of transitional deployments and tests, then three weeks of intermittent communications while Mars passes nearly behind the sun.
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Het wordt ook de hoogste tijdquote:NASA Craft Settles Into Mars Orbit
The most powerful spacecraft ever sent to Mars
has settled into a nearly circular orbit,
a move that allows scientists to begin studying the
planet in unprecedented detail, NASA said Tuesday.
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Als ze maar niet vergeten het lenskapje eraf te halenquote:Op woensdag 27 september 2006 18:30 schreef AstroNova het volgende:
http://spaceflightnow.com/news/n0609/26mrohirise/
Kom maar op
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Marsdaily.coml
-knip-
" Engineers will turn off the HiRISE camera for a solar conjunction that starts the second week of October. Solar conjunction is when the sun is aligned between Earth and Mars. It will obstruct communications with the spacecraft for about three weeks. "
-knip-
-knip-
" Engineers will turn off the HiRISE camera for a solar conjunction that starts the second week of October. Solar conjunction is when the sun is aligned between Earth and Mars. It will obstruct communications with the spacecraft for about three weeks. "
-knip-
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Langzaamaan zijn ze de MRO aan het voorbereiden voor z'n missie
Mars Mineral Mapper Flips Its Lid - 28-09-06
NASA's latest orbiter to visit Mars achieved another mark of success this week.
The mineral-mapping instrument on Mars Reconnaissance Orbiter has successfully removed its lens cover and is ready to start observing the planet.
Mars Mineral Mapper Flips Its Lid - 28-09-06
NASA's latest orbiter to visit Mars achieved another mark of success this week.
The mineral-mapping instrument on Mars Reconnaissance Orbiter has successfully removed its lens cover and is ready to start observing the planet.
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NASA's New Mars Camera Gives Dramatic View of Planet
The high resolution camera on NASA's Mars Reconnaissance Orbiter captured its first image of Mars in the mapping orbit, demonstrating the full resolution capability, on Sept. 29, 2006. Image credit: NASA/JPL/UA
Mars is ready for its close-up. The highest-resolution camera ever to orbit Mars is returning low-altitude images to Earth from NASA's Mars Reconnaissance Orbiter.
Rocks and surface features as small as armchairs are revealed in the first image from NASA's Mars Reconnaissance Orbiter since the spacecraft maneuvered into its final, low-altitude orbital path. The imaging of the red planet at this resolution heralds a new era in Mars exploration.
Lees Verder
The high resolution camera on NASA's Mars Reconnaissance Orbiter captured its first image of Mars in the mapping orbit, demonstrating the full resolution capability, on Sept. 29, 2006. Image credit: NASA/JPL/UA
Mars is ready for its close-up. The highest-resolution camera ever to orbit Mars is returning low-altitude images to Earth from NASA's Mars Reconnaissance Orbiter.
Rocks and surface features as small as armchairs are revealed in the first image from NASA's Mars Reconnaissance Orbiter since the spacecraft maneuvered into its final, low-altitude orbital path. The imaging of the red planet at this resolution heralds a new era in Mars exploration.
Lees Verder
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MRO is goed bezig
Southern edge of Elysium Planitia
Cerberus Fossae
HiRISE images
[ Bericht 35% gewijzigd door -CRASH- op 05-10-2006 17:51:17 ]
Southern edge of Elysium Planitia
Cerberus Fossae
HiRISE images
[ Bericht 35% gewijzigd door -CRASH- op 05-10-2006 17:51:17 ]
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HiRISE fotografeerd Opportunity
De MRO die nu zeer mooie platen schiet van het Mars oppervlak,
heeft een van de twee (Opportunity) Marsrovers gefotografeerd,
die nu bij de Victoria krater is.
Grotere JPG ( 16 MB )
Er staat nergens in de text of het om valse of om echte kleuren gaat.
Als je daarover dicusieeren wilt, open je er maar een nieuwe topic.
[ Bericht 1% gewijzigd door -CRASH- op 06-10-2006 20:48:39 ]
De MRO die nu zeer mooie platen schiet van het Mars oppervlak,
heeft een van de twee (Opportunity) Marsrovers gefotografeerd,
die nu bij de Victoria krater is.
Grotere JPG ( 16 MB )
Er staat nergens in de text of het om valse of om echte kleuren gaat.
Als je daarover dicusieeren wilt, open je er maar een nieuwe topic.
[ Bericht 1% gewijzigd door -CRASH- op 06-10-2006 20:48:39 ]
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Gaaf dat je gewoon die rover in kleur dudielijk kunt herkennen
Wat een werkelijk waar prachtige foto's!
Wat een werkelijk waar prachtige foto's!
"End this war against drugs. Legalise the drug against wars."
-
[b]Op donderdag 28 september 2006 09:12 schreef Rio het volgende:[/b]
Uiteindelijk is dit een star_gazer-krijgt-een-keiharde-lul-van-zichzelf-omdat-hij-zichzelf-verheven-voelt topic.
-
[b]Op donderdag 28 september 2006 09:12 schreef Rio het volgende:[/b]
Uiteindelijk is dit een star_gazer-krijgt-een-keiharde-lul-van-zichzelf-omdat-hij-zichzelf-verheven-voelt topic.
Over eventuele vermeende zichtbare woorden en andere herkenbare dingen.
Kun je bespreken in Ligt er een buis in de Victoria krater op Mars?
Ius Chasma, Valles Marineris
This color image covers only the center swath of the full image,
and is composed of images acquired through infrared, red, and blue-green filters.
The color has been enhanced to better show the subtle color differences.
It is not natural color or how it would appear to normal human vision.
This image covers a small portion of the floor of Ius Chasma, one branch of the giant Valles Marineris system of canyons. The image illustrates a variety of processes that have shaped the Martian surface. There are bedrock exposures of layered materials, which could be sedimentary rocks deposited in water or from the air. Some of the bedrock has been faulted and folded, perhaps the result of large-scale forces in the crust or from a giant landslide. The darker unit of material at right includes many rocks. The image resolves rocks as small as 90 cm (3 feet) in diameter.
De orginele foto
Kun je bespreken in Ligt er een buis in de Victoria krater op Mars?
Ius Chasma, Valles Marineris
This color image covers only the center swath of the full image,
and is composed of images acquired through infrared, red, and blue-green filters.
The color has been enhanced to better show the subtle color differences.
It is not natural color or how it would appear to normal human vision.
This image covers a small portion of the floor of Ius Chasma, one branch of the giant Valles Marineris system of canyons. The image illustrates a variety of processes that have shaped the Martian surface. There are bedrock exposures of layered materials, which could be sedimentary rocks deposited in water or from the air. Some of the bedrock has been faulted and folded, perhaps the result of large-scale forces in the crust or from a giant landslide. The darker unit of material at right includes many rocks. The image resolves rocks as small as 90 cm (3 feet) in diameter.
De orginele foto
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Mars Orbiter Spies Rover Landing Site
By Leonard David Senior Space Writer
posted: 29 November 2006 5:55 p.m. ET
New imagery taken by NASA’s Mars Reconnaissance Orbiter has been released, a sweeping gallery of red planet photos – including Endurance crater that NASA’s Opportunity rover explored for ten months.
The zoom lens photo album comes courtesy of the Mars Reconnaissance Orbiter’s (MRO) High Resolution Science Imaging Experiment (HiRISE).
Imagery released today shows the landing site for the Opportunity Mars rover with its parachute resting atop the Martian landscape [image],
the spacecraft’s heat shield at a different spot,
and the airbag cushioned lander itself resting inside the floor of a small impact feature – later dubbed Eagle Crater.
The HiRISE camera takes images of 3.5-mile-wide (six-kilometer) swaths as the orbiter flies at about 7,800 mph
(12,552 kilometers per hour) between 155 and 196 miles (250 to 316 kilometers) above the planet.
The camera resolves geologic features as small as 40 inches (101 centimeters) across.
klik
Mars Exploration Rover Landing Site at Meridiani Planum
By Leonard David Senior Space Writer
posted: 29 November 2006 5:55 p.m. ET
New imagery taken by NASA’s Mars Reconnaissance Orbiter has been released, a sweeping gallery of red planet photos – including Endurance crater that NASA’s Opportunity rover explored for ten months.
The zoom lens photo album comes courtesy of the Mars Reconnaissance Orbiter’s (MRO) High Resolution Science Imaging Experiment (HiRISE).
Imagery released today shows the landing site for the Opportunity Mars rover with its parachute resting atop the Martian landscape [image],
the spacecraft’s heat shield at a different spot,
and the airbag cushioned lander itself resting inside the floor of a small impact feature – later dubbed Eagle Crater.
The HiRISE camera takes images of 3.5-mile-wide (six-kilometer) swaths as the orbiter flies at about 7,800 mph
(12,552 kilometers per hour) between 155 and 196 miles (250 to 316 kilometers) above the planet.
The camera resolves geologic features as small as 40 inches (101 centimeters) across.
klik
Mars Exploration Rover Landing Site at Meridiani Planum
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Mars Reconnaissance Orbiter Glitch Disrupts Data Flow to Earth
By Leonard David Senior Space Writer posted: 08 February 2007 04:08 pm ET
NASA's Mars Reconnaissance Orbiter is
suffering science-reducing glitches,
although the spacecraft is nearing a milestone
in churning out record-setting levels of data.
The spacecraft carries six instruments for probing Mars’
atmosphere [video], surface and subsurface to characterize
the red planet and how it changed over time.
Lees Verder.....
By Leonard David Senior Space Writer posted: 08 February 2007 04:08 pm ET
NASA's Mars Reconnaissance Orbiter is
suffering science-reducing glitches,
although the spacecraft is nearing a milestone
in churning out record-setting levels of data.
The spacecraft carries six instruments for probing Mars’
atmosphere [video], surface and subsurface to characterize
the red planet and how it changed over time.
Lees Verder.....
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Aiii dat is slecht nieuws
"End this war against drugs. Legalise the drug against wars."
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[b]Op donderdag 28 september 2006 09:12 schreef Rio het volgende:[/b]
Uiteindelijk is dit een star_gazer-krijgt-een-keiharde-lul-van-zichzelf-omdat-hij-zichzelf-verheven-voelt topic.
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[b]Op donderdag 28 september 2006 09:12 schreef Rio het volgende:[/b]
Uiteindelijk is dit een star_gazer-krijgt-een-keiharde-lul-van-zichzelf-omdat-hij-zichzelf-verheven-voelt topic.
Nu al problemen met instrumenten sonde MRO
De HiRISE-camera en een ander instrument van de Amerikaanse Mars Reconnaissance Orbiter sonde zorgen nu al voor problemen. Een aantal detectoren in de camera veroorzaken veel ruis op de foto's die de sonde maakt, waardoor de kwaliteit van de beelden de laatste tijd sterk achteruit is gegaan.
Met het blote oog is deze ruis niet goed waarneembaar, maar wetenschappers zijn toch bang dat de kwaliteit van de foto's steeds slechter gaat worden. Om het probleem met de HiRISE-camera op te lossen moet de Amerikaanse ruimtevaartorganisatie alleen de elektronica van de camera opwarmen voordat er een foto wordt gemaakt. Door de elektronica te verwarmen stijgt de kwaliteit aanzienlijk en is de ruis grotendeels verdwenen.
NASA maakt zich ook zorgen om een tweede instrument, namelijk de Mars Climate Sounder. Dit instrument scant de Martiaanse atmosfeer af om zo meer te weten komt over, ijswolken, temperatuursverschillen en stof. Het instrument weet niet precies meer welk gebied geobserveerd moet worden als NASA daar opdracht voor geeft. Ingenieurs van de ruimtevaartorganisatie weten nog niet wat de oorzaak van dit probleem is.
Meer informatie: hier
De HiRISE-camera en een ander instrument van de Amerikaanse Mars Reconnaissance Orbiter sonde zorgen nu al voor problemen. Een aantal detectoren in de camera veroorzaken veel ruis op de foto's die de sonde maakt, waardoor de kwaliteit van de beelden de laatste tijd sterk achteruit is gegaan.
Met het blote oog is deze ruis niet goed waarneembaar, maar wetenschappers zijn toch bang dat de kwaliteit van de foto's steeds slechter gaat worden. Om het probleem met de HiRISE-camera op te lossen moet de Amerikaanse ruimtevaartorganisatie alleen de elektronica van de camera opwarmen voordat er een foto wordt gemaakt. Door de elektronica te verwarmen stijgt de kwaliteit aanzienlijk en is de ruis grotendeels verdwenen.
NASA maakt zich ook zorgen om een tweede instrument, namelijk de Mars Climate Sounder. Dit instrument scant de Martiaanse atmosfeer af om zo meer te weten komt over, ijswolken, temperatuursverschillen en stof. Het instrument weet niet precies meer welk gebied geobserveerd moet worden als NASA daar opdracht voor geeft. Ingenieurs van de ruimtevaartorganisatie weten nog niet wat de oorzaak van dit probleem is.
Meer informatie: hier
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