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The THEMIS infrared camera was designed to be used in conjunction with data from the Thermal Emission Spectrometer ( TES ), a similar instrument on Mars Global Surveyor.
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THEMIS and infrared
Detailed Thermal Emission Imaging System | THEMIS daytime infrared image mosaic of Olympus Mons. Olympus Mons lies at the edge of the Tharsis bulge, a vast volcanic plateau that is very ancient.
THEMIS detects thermal infrared energy emitted by the Martian surface at nine different wavelengths.
In effect, a THEMIS infrared image taken during the day will look much like a shaded relief map, with slopes facing the sun being bright ( hot ) and shaded areas being dark ( cold ).
The effect of temperature can be removed from THEMIS infrared data by dividing the image by a black body curve.
* THEMIS: a multispectral thermal infrared imager on board the 2001 Mars Odyssey spacecraft.
THEMIS and camera
The Thermal Emission Imaging System ( THEMIS ) is a camera on board the 2001 Mars Odyssey orbiter.
THEMIS has a visible imaging camera that acquires data in five spectral bands, takes images with a spatial resolution of 18 m ( 59 '), and can resolve objects about the size of a semi-trailer.
THEMIS and was
After analysis with HiRISE and the Mars Odyssey's THEMIS a new site was chosen.
Image was taken with THEMIS.
THEMIS is managed from the Mars Space Flight Facility at Arizona State University and was built by the Santa Barbara Remote Sensing division of Raytheon.
Gratteri ( crater ) | Gratteri crater, a rayed crater on Mars that was imaged by Thermal Emission Imaging System | THEMIS at night.
THEMIS and be
In a THEMIS image taken at night however, thermophysical properties of the surface can be inferred, such as temperature differences due to the materials grain size ( thermal inertia ).
The presence of minerals such as carbonates, silicates, hydroxides, sulfates, amorphous silica, oxides, and phosphates can be determined from THEMIS measurements.
THEMIS and with
Data from THEMIS show that the magnetic field, which interacts with the solar wind, is reduced when the magnetic orientation is aligned between Sun and Earth-opposite to the previous hypothesis.
These features are visible in the picture from the Coprates quadrangle of Nigal Vallis taken with Mars Odyssey's THEMIS.
Picture taken with THEMIS.
Image: Reull Vallis lineated deposits. JPG | Reull Vallis with lineated floor deposits, as seen by THEMIS.
Image taken with THEMIS
Image taken with THEMIS
While THEMIS has a very high spatial resolution ( 100 m ) with a low spectral resolution of only 10 bands between 6 and 15 micrometers, TES has a low spatial resolution ( 3 × 6 km ) with very high spectral resolution of 143 bands between 5 and 50 micrometers.
Image: Eos Chasma. JPG | Eos Chasma with a Mensa, a flat topped prominence with cliff-like edges, as seen by THEMIS.
Picture taken with THEMIS.
Image: Reull Vallis lineated deposits. JPG | Reull Vallis with lineated floor deposits, as seen by THEMIS.
Image: Mangala Vallis. JPG | Mangala Vallis with a streamlined island, as seen by THEMIS.
THEMIS and data
The rad-hard version of the 8085 has been in on-board instrument data processors for several NASA and ESA space physics missions in the 1990s and early 2000s, including CRRES, Polar, FAST, Cluster, HESSI, the Sojourner Mars Rover, and THEMIS.
* Public data releases of THEMIS data
THEMIS and from
Visible images from THEMIS are usually close to 20 km wide ( 12 miles ).
Picture from Mars Odyssey THEMIS.
Image: Cerberus Fossae from Themis. JPG | Cerberus Fossae, as seen from THEMIS.
THEMIS and Thermal
* Thermal Emission Imaging System ( THEMIS ).
Image is about 200 km across ( Thermal Emission Imaging System | THEMIS daytime IR mosaic ).
Note multiple overlapping lobes ( Thermal Emission Imaging System | THEMIS VIS )
Line of pit craters suggests drainage into subsurface voids, possibly created by tension cracks ( Thermal Emission Imaging System | THEMIS IR daytime mosaic ).
Note that the lava flows are crosscut by faults and graben, indicating that the faults are younger than the flows ( Thermal Emission Imaging System | THEMIS VIS ).
THEMIS and Emission
* THEMIS ( Mars Odyssey-Thermal Emission Imaging System )
THEMIS and instrument
The THEMIS instrument, before being mounted onto Mars Odyssey.
THEMIS is therefore a 10-band instrument that detects nine different wavelengths.
* THEMIS instrument site at Arizona State University
THEMIS and on
File: Channels South Pavonis PIA04712. jpg | THEMIS image of channels and pits on southern flank of Pavonis Mons.
The THEMIS visible camera's stated purpose is to determine the geological record of past liquid and volcanic environments on Mars.
Image: Holden Crater Close-up. JPG | Close-up of Channels on Rim of Holden Crater, as seen by THEMIS.
Image: Holden Crater Close-up. JPG | Close-up of Channels on Rim of Holden Crater, as seen by THEMIS.
0.291 seconds.