Inizio Registrati Login

Elenco album Ultimi arrivi Ultimi commenti Più viste Più votate Preferiti Cerca

Inizio > SOLAR SYSTEM > Titan: The "Foggy" Moon

Ultimi arrivi - Titan: The "Foggy" Moon
Titan-Lakes-South_Polar_Lake-01-PIA06241-PCF-LXTT-IPF-002.jpg
Titan-Lakes-South_Polar_Lake-01-PIA06241-PCF-LXTT-IPF-002.jpgOntario Lacus and the South Polar Regions of Titan: after the Fog (Absolute Natural Colors; credits for the additional process. and color. Dr Paolo C. Fienga/Lunar Explorer Italia/Italian Planetary Foundation)97 visiteThis view of Titan’s South Pole reveals the intriguing Dark Feature named Ontario Lacus and a host of smaller features dotting the whole South Polar Region. The true nature of this Surface Feature, seen here at left of center, is not yet known with absolute certainty. However, the Feature’s extremely dark coloration, the shore-like smoothness of its perimeter, and its presence in an area where frequent Convective Storm Clouds have been observed by the NASA - Cassini Spacecraft and Earth-based telescopes, made it the best candidate for an open body of liquid on Titan when this image was taken, in June 2005. This interpretation has, afterwards, been strengthened by the sighting of Surface Features having similar morphologies, but this time in Titan’s North Polar Regions during the Fly-By of this Saturnian moon that occurred in late February of the AD 2007. The possibility that those Northern Features, the sizes of small Seas, are either completely or partially filled with Liquid Hydrocarbons has been significantly strengthened also by the Radar Data collected by Cassini and which overlap portions of the Northern Features seen by the Cassini's Imaging Science Subsystem.
Previously, scientists had speculated that Ontario Lacus might simply be a Broad Depression filled by dark, Solid Hydrocarbons falling from the Atmosphere onto Titan’s Surface. In this case, the smoothed outline might be the result of a process unrelated to Rainfall, such as a so-called "Sinkhole" (---> a cavity in the ground, especially in a limestone formation, caused by water erosion and providing a route for Surface Water to disappear) or a "Volcanic Caldera". However, the strong likelihood that the Dark and Smooth North Polar Features are actually Lakes and Seas has made imaging scientists more confident that Ontario Lacus, and the smaller Dark Features dotting the South Polar Regions of Titan, also hold liquid. If correct, this new revelation would mean that each Pole on Titan is, in fact, a large Wetlands Area. The brightest (and almost white) Features seen here (from about 3 to 6 o'clock of the picture), are Methane Clouds (perhaps mixed with Water-Ice Clouds).
The original frame that we show you today, was taken by the NASA - Cassini Spacecraft during the distant Fly-By of Titan that took place in June 6, of the AD 2005, by using a combination of Spectral Filters sensitive to Wavelengths of Polarized InfraRed Light, allowing Cassini to see through the obscuring smog of Titan's Atmosphere and all the way down to the Surface. The image was acquired from an approximate distance of 450.000 Km (such as about 279.450 miles) from Titan. Resolution in the original image is approximately 3 Km (such as 1,863 miles) per pixel.

This picture (which is an Original NASA - Cassini Spacecraft b/w frame published on the NASA - Planetary Photojournal and identified by the n. PIA 06241) has been additionally processed and then colorized, as if the yellowish Fogs that surrounds the planet had been overcome. The colorization, even in this case, has been made according to an educated guess carried out by Dr Paolo C. Fienga (LXTT-IPF), in Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Cassini Spacecraft and then looked outside, towards the South Polar Region of the Saturnian moon Titan), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team. Different colors, as well as different shades of the same color, mean, among others, the existence of different Elements present in the Atmosphere and on the Surface of Titan, each having a different Albedo (---> Reflectivity) and Chemical Composition.

Note: it is possible (but we, as IPF, have no way to be one-hundred-percent sure of such a circumstance), that the actual luminosity of the Albedo Features seen in this frame would appear, to an average human eye, way lower than it has been shown (better yet: interpreted) here.
MareKromiumMar 11, 2013
Titan-Lakes-South_Polar_Lake-01-PIA06241-PCF-LXTT-IPF-001.jpg
Titan-Lakes-South_Polar_Lake-01-PIA06241-PCF-LXTT-IPF-001.jpgOntario Lacus and the South Polar Regions of Titan (Absolute Natural Colors; credits for the additional process. and color. Dr Paolo C. Fienga/Lunar Explorer Italia/Italian Planetary Foundation)93 visiteThis view of Titan’s South Pole reveals the intriguing Dark Feature named Ontario Lacus and a host of smaller features dotting the whole South Polar Region. The true nature of this Surface Feature, seen here at left of center, is not yet known with absolute certainty. However, the Feature’s extremely dark coloration, the shore-like smoothness of its perimeter, and its presence in an area where frequent Convective Storm Clouds have been observed by the NASA - Cassini Spacecraft and Earth-based telescopes, made it the best candidate for an open body of liquid on Titan when this image was taken, in June 2005. This interpretation has, afterwards, been strengthened by the sighting of Surface Features having similar morphologies, but this time in Titan’s North Polar Regions during the Fly-By of this Saturnian moon that occurred in late February of the AD 2007. The possibility that those Northern Features, the sizes of small Seas, are either completely or partially filled with Liquid Hydrocarbons has been significantly strengthened also by the Radar Data collected by Cassini and which overlap portions of the Northern Features seen by the Cassini's Imaging Science Subsystem.
Previously, scientists had speculated that Ontario Lacus might simply be a Broad Depression filled by dark, Solid Hydrocarbons falling from the Atmosphere onto Titan’s Surface. In this case, the smoothed outline might be the result of a process unrelated to Rainfall, such as a so-called "Sinkhole" (---> a cavity in the ground, especially in a limestone formation, caused by water erosion and providing a route for Surface Water to disappear) or a "Volcanic Caldera". However, the strong likelihood that the Dark and Smooth North Polar Features are actually Lakes and Seas has made imaging scientists more confident that Ontario Lacus, and the smaller Dark Features dotting the South Polar Regions of Titan, also hold liquid. If correct, this new revelation would mean that each Pole on Titan is, in fact, a large Wetlands Area. The brightest (and almost white) Features seen here (from about 3 to 6 o'clock of the picture), are Methane Clouds (perhaps mixed with Water-Ice Clouds).
The original frame that we show you today, was taken by the NASA - Cassini Spacecraft during the distant Fly-By of Titan that took place in June 6, of the AD 2005, by using a combination of Spectral Filters sensitive to Wavelengths of Polarized InfraRed Light, allowing Cassini to see through the obscuring smog of Titan's Atmosphere and all the way down to the Surface. The image was acquired from an approximate distance of 450.000 Km (such as about 279.450 miles) from Titan. Resolution in the original image is approximately 3 Km (such as 1,863 miles) per pixel.

This picture (which is an Original NASA - Cassini Spacecraft b/w frame published on the NASA - Planetary Photojournal and identified by the n. PIA 06241) has been additionally processed and then colorized, according to an educated guess carried out by Dr Paolo C. Fienga (LXTT-IPF), in Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Cassini Spacecraft and then looked outside, towards the South Polar Region of the Saturnian moon Titan), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team. Different colors, as well as different shades of the same color, mean, among others, the existence of different Elements present in the Atmosphere and on the Surface of Titan, each having a different Albedo (---> Reflectivity) and Chemical Composition.

Note: it is possible (but we, as IPF, have no way to be one-hundred-percent sure of such a circumstance), that the actual luminosity of the Albedo Features seen in this frame would appear, to an average human eye, way lower than it has been shown (better yet: interpreted) here.
MareKromiumMar 11, 2013
Titan-N00199279-84-False_and_Natural_Color-EB-MF-LXTT-IPF.jpg
Titan-N00199279-84-False_and_Natural_Color-EB-MF-LXTT-IPF.jpgVisions of Titan (Superdefinition, False Colors - Left-Sx - Calibrated Natural Colors - Right-Dx -; credits for the additional process. and color.: Elisabetta Bonora and Marco Faccin/Lunar Explorer Italia/Italian Planetary Foundation) 69 visitenessun commentoMareKromiumGen 23, 2013
Titan-N00200168-752-EB-MF-LXTT-IPF.jpg
Titan-N00200168-752-EB-MF-LXTT-IPF.jpgColourful Titan (Superdefinition and Extremely Enhanced Natural Colors; credits for the additional process. and color.: Elisabetta Bonora and Marco Faccin/Lunar Explorer Italia/Italian Planetary Foundation) 65 visitenessun commentoMareKromiumGen 23, 2013
Titan-PIA16635-PCF-LXTT-IPF-1.jpg
Titan-PIA16635-PCF-LXTT-IPF-1.jpgTitanian Northern Lakes (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga/Lunar Explorer Italia/Italian Planetary Foundation)67 visiteThe Lakes existing on the Saturnian moon Titan, reflect Radio Waves in varying ways, as it can be noticed in this Radio-Image obtained by the the NASA - Cassini Spacecraft. Scientists think the variations in Reflectivity, or Brightness, have to be related with the smoothness (such as the so-called "texture") of the imaged Surface. However, if a Lake is fully liquid, it always looks VERY dark (actually black); but if it is only partially liquid, then it looks a lot brighter. In this frame, taken from Titan's High Northern Latitudes (such as at approx. 79° North Latitude and 58° West Longitude) on May, 22, 2012, the Lakes located on on the left (Sx) side of it are full of Liquid Hydrocarbons, while the ones - barely visible - located on the top right (Dx) of the picture are only partially filled - it has to be said, however, that what can be seen on the right side of the frame, could even be the representation of simple Saturated Ground (---> a Surface Feature - or, better yet, a Surface "Condition" - known as "Mudflat" ---> Mudflats or Mud Flats, also known as Tidal Flats, are Coastal Wetlands that form when huge quantities of Mud are deposited by the action of Oceanic Tides or particularly fast-flowing Rivers).
The Lakes visible in this image are each about 35 to 45 Km (such as approx. 22 to 30 miles) across, or about the size of Lake Tahoe, on the California-Nevada Border. Some of the differences in Reflectivity could also be explained by the presence, in the Lakes, of floating blocks of Hydrocarbon Ice. The image was obtained by the Cassini Radar Mapper at a scale of about 350 meters (1100 feet) per pixel.

This frame (which is a crop obtained by an Original NASA - CASSINI Spacecraft Radio-Image published on the NASA - Planetary Photojournal with the n. PIA 16635), since it is just a Radio-Image of the Titanian Surface and NOT a real view of it, has been colorized, according to an educated guess, by Dr Paolo C. Fienga (LXTT-IPF), in what they could reasonably be its possible Absolute Natural Colors (such as the colors that a human eye would perceive if someone were onboard the NASA - CASSINI Spacecraft and, once the thick layer of Titanian Hazes and Fogs shall have been completely overcome, looked down, towards the Surface of Titan itself), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team.
MareKromiumGen 11, 2013
Titan-River-PIA16197-PCF-LXTT-IPF.jpg
Titan-River-PIA16197-PCF-LXTT-IPF.jpgTitanian River (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga/Lunar Explorer Italia/Italian Planetary Foundation)91 visiteThis image, taken by the NASA - Cassini Spacecraft on September 26, 2012, during its 87th close Fly-By of Titan, shows a vast River System located in the High Northern Regions of this always more intriguing and fascinating Saturnian moon. As a matter of fact, this is the first time that an image coming from Outer Space has revealed what appears to be a true River System that is so vast and structured, anywhere other than on our Home Planet Earth. The River Valley crosses Titan's North Polar Regions and runs directly into the Ligeia Mare: one of the 3 (three) Great Seas that have been so far discovered in the High Northern Latitudes of Titan. This River (still unnamed, but, in a way, very similar to the famous Terrestrial River known as Nile) stretches for more than 200 miles (such as approx. 322 Km).

Scientists have deduced that the River should be filled with actual liquid substances, because (among other things) it appears very dark along its entire extent in this High-Resolution Radar Image: a data, this one, that is indicative of the fact that we are in presence of a smooth Surface. These liquid substances are, presumably, Ethane mixed with Methane, the former having been already positively identified in the AD 2008 by Cassini's Visual and InfraRed Mapping Spectrometer at the Lake known as Ontario Lacus (this one, however, located in Titan's Southern Hemisphere). Even though some short, local Meander (---> a bend in a sinuous watercourse), is visible, the relative straightness of the River Valley suggests that it follows the trace of at least one Fault-line, just like other large Rivers running into the Southern Margin of Ligeia Mare do. Such Faults may lead to the opening of Basins and, perhaps (and in the end), to the formation of the Giant Seas themselves. North is toward the top of the image.

This frame (which is an Original NASA - CASSINI Spacecraft Radio-Image published on the NASA - Planetary Photojournal with the n. PIA 16197), since it is just a Radio-Image of the Titanian Surface and NOT a real view of it, has been colorized, according to an informed speculation carried out by Dr Paolo C. Fienga (LXTT-IPF), in what they could reasonably be its possible Absolute Natural Colors (such as the colors that a human eye would perceive if someone were onboard the NASA - CASSINI Spacecraft and, once the thick layer of Titanian Hazes and Fogs shall have been completely overcome, looked down, towards the Surface of Titan itself), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team.
MareKromiumDic 19, 2012
Titan-Regions-Adiri-PIA12621-PCF-LXTT-IPF.jpg
Titan-Regions-Adiri-PIA12621-PCF-LXTT-IPF.jpgThrough the Fog: Adiri (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga/Lunar Explorer Italia/Italian Planetary Foundation)112 visiteThe NASA - Cassini Spacecraft peers through the Dark and Hazy Atmosphere of Titan, this time looking at a Region called Adiri, and located to the West of the Landing Site of the ESA - Huygens Probe, on the Anti-Saturn Side of the moon. This view is centered on Terrain at 22° South Latitude and 209° West Longitude. North on Titan is up and rotated 36° to the right. The dark Circular Feature visible slightly on to the right of the image center, at about 2 o'clock (and that looks like a well preserved Impact Crater seen from atop), could actually be an Image-Artifact.

The image was taken with the NASA - Cassini Spacecraft Narrow-Angle Camera on December 12, 2009, using a spectral filter sensitive to Wavelengths of Near-InfraRed Light centered at 938 nanometers. The view was obtained at a distance of approximately 130.000 Km (such as about 81.000 miles) from Titan. Image scale is 766 meters (such as 2513 feet) per pixel.

This picture (which is an Original NASA - Cassini Spacecraft b/w frame published on the NASA - Planetary Photojournal and identified by the n. PIA 12621) has been additionally processed and then colorized, according to an informed speculation carried out by Dr Paolo C. Fienga (LXTT-IPF), in Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Cassini Spacecraft and then looked outside, towards the Saturnian moon Titan), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team. Different colors, as well as different shades of the same color, mean, among others, the existence of different Elements present in the Atmosphere and on the Surface of Titan, each having a different Albedo (---> Reflectivity) and Chemical Composition.

Note: it is possible (but we, as IPF, have no way to be one-hundred-percent sure of such a circumstance), that the actual luminosity of the Albedo Feature seen in this frame would appear, to an average human eye, way lower than it has been shown (better yet: interpreted) here.
MareKromiumDic 10, 2012
Titan-Senkyo_Region-PIA11636-PCF-LXTT-IPF.jpg
Titan-Senkyo_Region-PIA11636-PCF-LXTT-IPF.jpgThrough the Fog: Senkyo (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga/Lunar Explorer Italia/Italian Planetary Foundation)107 visiteThe very low Albedo Feature (---> Region) known as Senkyo, is slightly visible here, through the haze of Titan's Atmosphere. Prominent dark areas found in Titan's Equatorial Region appear to contain vast and continuous Dunefields, discovered by the Cassini Radar Experiment and likely composed of Dust Particles that drop from Titan's unique, smoggy Atmosphere. The almost circular Feature visible to the left of the image center appears to belong to the Surface of Titan, but it could also be the result of either a peculiar configuration of some low Clouds, or a bizarre-looking image artifact. This view looks toward Saturn-facing Side of Titan and is centered on Terrain at about 1° South Latitude and 345° West Longitude. North on Titan is up, and rotated 10° to the right.

The image was taken with the NASA - Cassini Spacecraft Narrow-Angle Camera on October 12, 2009, using a spectral filter sensitive to Wavelengths of Near-InfraRed Light centered at 938 nanometers. The view was acquired at a distance of approximately 296.000 Km (such as about 184.000 miles) from Titan and at a Sun-Titan-Cassini Spacecraft, or Phase, Angle of 11°. Image scale is roughly 2 Km (such as a little more than 1 mile) per pixel.

This picture (which is an Original NASA - Cassini Spacecraft b/w frame published on the NASA - Planetary Photojournal and identified by the n. PIA 11636) has been additionally processed and then colorized, according to an informed speculation carried out by Dr Paolo C. Fienga (LXTT-IPF), in Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Cassini Spacecraft and then looked outside, towards the Saturnian moon Titan), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team. Different colors, as well as different shades of the same color, mean, among others, the existence of different Elements present in the Atmosphere and on the Surface of Titan, each having a different Albedo (---> Reflectivity) and Chemical Composition.

Note: it is possible (but we, as IPF, have no way to be one-hundred-percent sure of such a circumstance), that the actual luminosity of the Albedo Feature seen in this frame would appear, to an average human eye, way lower than it has been shown (better yet: interpreted) here.
MareKromiumDic 10, 2012
Titan-Senkyo_Region-PIA11577-PCF-LXTT-IPF.jpg
Titan-Senkyo_Region-PIA11577-PCF-LXTT-IPF.jpgThrough the Fog: Senkyo (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga/Lunar Explorer Italia/Italian Planetary Foundation)102 visiteThe NASA - Cassini Spacecraft peers through the hazy Atmosphere of Titan for a close view of light and dark Terrain on Saturn's largest moon. This view, that is centered at 28° South Latitude and 334° West Longitude, shows us a small part of the Albedo Feature named Senkyo (actually it is a very large Region that the Planetary Scientists consider like a true Continent) which is located on the Trailing Hemisphere of Titan.

The image was taken with the NASA - Cassini Spacecraft Narrow-Angle Camera on July 9, 2009, using a spectral filter sensitive to Wavelengths of Near-InfraRed Light centered at 938 nanometers. The view was obtained at a distance of approximately 251.000 Km (such as about 156.000 miles) from Titan and at a Sun-Titan-Cassini Spacecraft, or Phase, Angle of 27°. Image scale is about 1 Km (such as 3281 feet) per pixel.

This picture (which is an Original NASA - Cassini Spacecraft b/w frame published on the NASA - Planetary Photojournal and identified by the n. PIA 11577) has been additionally processed and then colorized, according to an informed speculation carried out by Dr Paolo C. Fienga (LXTT-IPF), in Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Cassini Spacecraft and then looked outside, towards the Saturnian moon Titan), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team. Different colors, as well as different shades of the same color, mean, among others, the existence of different Elements present in the Atmosphere and on the Surface of Titan, each having a different Albedo (---> Reflectivity) and Chemical Composition.

Note: it is possible (but we, as IPF, have no way to be one-hundred-percent sure of such a circumstance), that the actual luminosity of the Albedo Feature seen in this frame would appear, to an average human eye, way lower than it has been shown (better yet: interpreted) here.
MareKromiumDic 10, 2012
Titan-Shangri_La_Region-PIA08971-PCF-LXTT-IPF.jpg
Titan-Shangri_La_Region-PIA08971-PCF-LXTT-IPF.jpgThrough the Fog: Shangri-la (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga/Lunar Explorer Italia/Italian Planetary Foundation)106 visiteThis view of Titan's Surface highlights a small portion of the North-Western Region known as Shangri-la: a large, Equatorial, Dark Region that radar observations revealed to be covered by Longitudinal Dunefields. The bright, Circular Feature visible right of center is a potential Impact Crater (one of the very few Impact Craters that have been spotted on Titan so far).

North on Titan is up and rotated about 15° to the right. This view was created by combining multiple images taken using a combination of spectral filters sensitive to Wavelengths of InfraRed Light centered at 938 and 619 nanometers. The images were taken with the NASA - Cassini Spacecraft Narrow-Angle Camera on May 13, 2007, at a distance of approximately 125.000 Km (such as about 77.000 miles) from Titan. Image scale is roughly 1 Km (such as approx. 0,6 miles) per pixel. Due to scattering of light by Titan's hazy Atmosphere, the size of the Surface Features that can be resolved is a few times larger than the actual pixel scale.

This picture (which is an Original NASA - Cassini Spacecraft b/w image-mosaic published on the NASA - Planetary Photojournal and identified by the n. PIA 08971) has been additionally processed and then colorized, according to an informed speculation carried out by Dr Paolo C. Fienga (LXTT-IPF), in Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Cassini Spacecraft and then looked outside, towards the Saturnian moon Titan), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team. Different colors, as well as different shades of the same color, mean, among others, the existence of different Elements present in the Atmosphere and on the Surface of Titan, each having a different Albedo (---> Reflectivity) and Chemical Composition.

Note: it is possible (but we, as IPF, have no way to be one-hundred-percent sure of such a circumstance), that the actual luminosity of the Albedo Feature seen in this frame would appear, to an average human eye, way lower than it has been shown (better yet: interpreted) here.
MareKromiumDic 10, 2012
Titan-PIA14634-PCF-LXTT-IPF.jpg
Titan-PIA14634-PCF-LXTT-IPF.jpgSeasonal or Permanent? (Absolute Natural Colors; credits for the additional process. and color.: Dr Gianluigi Barca/Lunar Explorer Italia/Italian Planetary Foundation)77 visiteEven though it is still nighttime at the South Pole, the Vortex, which swirls high in the Sky of Titan, is already illuminated by the Sunlight and stands out (relatively) brightly against the other - and possible Water-Ice - Clouds that can be seen to the left of the Terminator (still near the South Polar Regions of Titan, but on the daytime side of this complex and fascinating Saturnian moon). The NASA - Cassini Spacecraft, as you have noticed, keeps monitoring very carefully the development of this South Polar Vortex (a true Titanian Oddity anyway), so to help Scientists and Researchers from all over the World to better understand the (perhaps just) seasonal changes that occur in the Atmosphere of Titan.
This outstanding view looks toward the Trailing Hemisphere of Titan; North is up and rotated 9° to the left. The image was taken with the NASA - Cassini Spacecraft Narrow-Angle Camera on Aug. 31, 2012, using a Spectral Filter sensitive to Wavelengths of Near-InfraRed Light, centered at 938 nanometers. The view was acquired at a distance of approximately 750.000 miles (such as about 1,2 Million KiloMeters - MKM) from Titan and at a Sun-Titan-Spacecraft, or Phase, Angle of 74°. Image scale is about 4 miles (such as approx. 6,4 Km) per pixel.
This picture (which is an Original NASA - Cassini Spacecraft b/w frame published on the NASA - Planetary Photojournal with the ID n. PIA 14634) has been additionally processed and then colorized, according to an informed speculation carried out by Dr Paolo C. Fienga (LXTT-IPF), in Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Cassini Spacecraft and then looked outside, towards the Saturnian moon Titan), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team. Different colors, as well as different shades of the same color, mean, among others, the existence of different Elements present in the Atmosphere of Titan, each having a different Albedo (---> Reflectivity) and Chemical Composition.
MareKromiumNov 18, 2012
Titan-PIA14626-PCF-LXTT-IPF.jpg
Titan-PIA14626-PCF-LXTT-IPF.jpgAt Titan's Poles (Absolute Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunar Explorer Italia/Italian Planetary Foundation) 70 visiteTitan's South Polar Vortex seems to "float" above the moon's South Pole in this NASA - Cassini Spacecraft view. The Vortex, which is a mass of gases swirling around the South Pole, high in the moon's Atmosphere, can be easily seen in the lower right of this view. On the other hand, Titan's Northern "Hood" is also well visible, since it covers almost all the Northern Regions of this always mysterious and fascinating Saturnian moon. This view looks toward the Leading Hemisphere of Titan (which is approx. 3200 miles, or about 5150 kilometers across). North on Titan is up and rotated 25° to the left.
The image was taken with the NASA - Cassini Spacecraft Narrow-Angle Camera on July 6, 2012, using a Spectral Filter sensitive to wavelengths of Near-InfraRed light, centered at 889 nanometers. The view was acquired at a distance of approximately 1,7 Million Miles (such as about 2,8 Million Kilometers) from Titan and at a Sun-Titan-Spacecraft, or Phase, Angle of 86°. Scale in the original image was about 11 miles (such as approx. 17 Km) per pixel. Afterwards, the image has been contrast enhanced and magnified, so to improve the visibility of the most interesting Features existing in the Titanian Atmosphere.
This picture (which is an Original NASA - Cassini Spacecraft frame published on the NASA - Planetary Photojournal with the ID n. PIA 14626) has been additionally processed and then colorized, according to an informed speculation carried out by Dr Paolo C. Fienga (LXTT-IPF), in Absolute Natural Colors (such as the colors that a human eye would actually perceive if someone were onboard the NASA - Cassini Spacecraft and then looked outside, towards the Saturnian moon Titan), by using an original technique created - and, in time, dramatically improved - by the Lunar Explorer Italia Team. Different colors, as well as different shades of the same color, mean, among others, the existence of different Elements present in the Atmosphere of Titan, each having a different Albedo (---> Reflectivity) and Chemical Composition.
MareKromiumOtt 24, 2012
426 immagini su 36 pagina(e) 1 2 3 4 5 6 7 8 9 10 11 - 36

 
 

Powered by Coppermine Photo Gallery