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 | Cassini - Titan - Radar Fra : Steen |
Dato : 28-10-04 10:33 |
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Jeg troede, at Cassini skulle kortlægge Titan med radar, men alle de
billeder, der er blevet returneret efter forbiflyvningen i forgårs er alle
taget i infrarød:
http://saturn.jpl.nasa.gov/home/index.cfm
Jeg havde forestillet mig noget i retning af Magellans radarbilleder af
Venus:
http://www2.jpl.nasa.gov/magellan/gif/p39570.gif
....men intet sted på saturn.jpl.nasa.gov kan jeg finde noget om radar. -Er
det mig, der har misforstået noget?
Mvh Steen
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Finn Bindeballe (28-10-2004)
 | Kommentar Fra : Finn Bindeballe |
Dato : 28-10-04 11:47 |
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Steen (28-10-2004)
 | Kommentar Fra : Steen |
Dato : 28-10-04 14:39 |
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Finn Bindeballe wrote:
> der er masser af radarer?? ombord.....
> http://saturn.jpl.nasa.gov/spacecraft/instruments-cassini-intro.cfm
Ja, sørme, se bare:
"The Radio Detection and Ranging Instrument (RADAR) is a Remote Active and
Remote Passive Sensing Instrument (think sight and hearing) that will
produce maps of Titan's surface and measures the height of surface objects
(like mountains and canyons) by bouncing radio signals off of Titan's
surface and timing their return."
Hm, så tænder de den måske næste gang de flyver forbi
Tak for linket!
Mvh Steen
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Martin Andersen (28-10-2004)
 | Kommentar Fra : Martin Andersen |
Dato : 28-10-04 20:21 |
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Steen wrote:
CUT
Radar data, which can be used to create surface images that resemble
black-and-white photographs, are expected to be released Thursday, but
Porco suggested it may take many more of Cassini's planned 45 Titan
passes and even years of study to unravel the moon's puzzles.
http://www.cnn.com/2004/TECH/space/10/28/saturn.cassini.ap/index.html
Martin.
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