| Piú viste |
Psp_009418_2230_red.jpgFeatures of Arandas Crater (possible True Colors; credits: Lunar Explorer Italia)58 visiteMars Local Time: 15:17 (early afternoon)
Coord. (centered): 42,9° North Lat. and 345,9° East Long.
Spacecraft altitude: 301,0 Km (such as about 188,1 miles)
Original image scale range: 30,1 cm/pixel (with 1 x 1 binning) so objects ~60,2 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 0,5°
Phase Angle: 44,1°
Solar Incidence Angle: 44° (meaning that the Sun is about 46° above the Local Horizon)
Solar Longitude: 105,7° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
|
|
Psp_009442_2030_red.jpgAntoniadi Crater (possible True Colors; credits: Lunar Explorer Italia)58 visiteMars Local Time: 15:22 (early afternoon)
Coord. (centered): 22,9° North Lat. and 53,5° East Long.
Spacecraft altitude: 282,0 Km (such as about 176,2 miles)
Original image scale range: 56,4 cm/pixel (with 1 x 1 binning) so objects ~1,69 mt across are resolved
Map projected scale: 50 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 0,3°
Phase Angle: 46,1°
Solar Incidence Angle: 46° (meaning that the Sun is about 44° above the Local Horizon)
Solar Longitude: 106,5° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
|
|
Psp_009435_1850_red.jpgLayered Outcrop and associated Boulder Tracks, North of Pavonis Mons (possible True Colors; credits: Lunar Explorer Italia)58 visiteMars Local Time: 15:25 (early afternoon)
Coord. (centered): 5,1° North Lat. and 246,7° East Long.
Spacecraft altitude: 266,0 Km (such as about 166,3 miles)
Original image scale range: 26,6 cm/pixel (with 1 x 1 binning) so objects ~80 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 2,2°
Phase Angle: 54,6°
Solar Incidence Angle: 53° (meaning that the Sun is about 37° above the Local Horizon)
Solar Longitude: 106,3° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
|
|
SOL1413-2.jpgInteresting Outcrop - Sol 1413 (possible True Colors; credits: Dr G. Barca & Lunexit)58 visitenessun commentoMareKromium
|
|
Zodiacal_Light_over_NM.jpgZodiacal Light over New Mexico58 visitenessun commentoMareKromium
|
|
Enceladus-PIA11133.jpgCrescent Enceladus (possible True Colors; credits: Lunar Explorer Italia)58 visiteCaption NASA:"On Oct. 5, 2008, just after coming within 25 kilometers (15.6 miles) of the surface of Enceladus, NASA's Cassini captured this stunning mosaic as the Spacecraft sped away from this geologically active moon of Saturn.
Craters and cratered terrains are rare in this view of the Southern Region of the moon's Saturn-facing Hemisphere. Instead, the surface is replete with fractures, folds, and ridges — all hallmarks of remarkable tectonic activity for a relatively small world. In this True Colors view, regions that appear blueish are thought to be coated with larger grains than those that appear white or gray.
Portions of the Tiger Stripe Fractures, or Sulci, are visible along the Terminator at lower right, surrounded by a circumpolar belt of mountains. The icy moon's famed jets emanate from at least 8 distinct Source Regions, which lie on or near the Tiger Stripes. However, in this view, the most prominent feature is Labtayt Sulci, the approximately one-kilometer (such as 0,6 miles) deep Northward-trending chasm located just above the center of the mosaic.
Near the top, the conspicuous ridges are Ebony and Cufa Dorsae. This mosaic was created from 28 images obtained at seven footprints, or pointing positions, by Cassini's narrow-angle camera. At each footprint, 4 images using filters sensitive to UltraViolet (UV), Visible (V) and InfraRed light (IR) - spanning wavelengths from 338 to 930 nanometers) were combined to create the individual frames. The mosaic is an orthographic projection centered at 64,49° South Lat. and 283,87° West Long., and it has an image scale of 196 Km (about 122,5 miles) per pixel. The original images ranged in resolution from 180 meters (594 feet) to 288 meters (950 feet) per pixel and were acquired at distances ranging from 30.000 to 48.000 Km (such as from about 18.750 to 30.000 miles) as the Spacecraft receded from Enceladus.
The view was acquired at a Sun-Enceladus-spacecraft, or phase, angle of 73°".MareKromium
|
|
Psp_009513_1810_red.jpgEchus Chasma (Enxtrelmely Enhanced Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunar Explorer Italia)58 visiteMars Local Time: 15:28 (early afternoon)
Coord. (centered): 1,1° North Lat. and 278,0° East Long.
Spacecraft altitude: 266,2 Km (such as about 166,4 miles)
Original image scale range: 53,3 cm/pixel (with 1 x 1 binning) so objects ~1,60 mt across are resolved
Map projected scale: 50 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 2,8°
Phase Angle: 53,0°
Solar Incidence Angle: 55° (meaning that the Sun is about 35° above the Local Horizon)
Solar Longitude: 109,0° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
|
|
Psp_009497_2210_red.jpgEroded Mesa in Western Cydonia Region (possible True Colors; credits: Lunar Explorer Italia)58 visiteMars Local Time: 15:25 (early afternoon)
Coord. (centered): 40,7° North Lat. and 351,0° East Long.
Spacecraft altitude: 307,8 Km (such as about 192,4 miles)
Original image scale range: 30,8 cm/pixel (with 1 x 1 binning) so objects ~92 cm across are resolved
Map projected scale: 25 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 14,8°
Phase Angle: 31,0°
Solar Incidence Angle: 46° (meaning that the Sun is about 44° above the Local Horizon)
Solar Longitude: 108,5° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
|
|
Psp_009488_2485_red.jpgPhoenix Landing Site (possible True Colors; credits: Lunar Explorer Italia)58 visiteMars Local Time: 15:23 (early afternoon)
Coord. (centered): 68,2° North Lat. and 234,3° East Long.
Spacecraft altitude: 338,8 Km (such as about 211,8 miles)
Original image scale range: 67,8 cm/pixel (with 1 x 1 binning) so objects ~2,03 mt across are resolved
Map projected scale: 50 cm/pixel
Map projection: EQUIRECTANGULAR
Emission Angle: 24,2°
Phase Angle: 33,2°
Solar Incidence Angle: 54° (meaning that the Sun is about 36° above the Local Horizon)
Solar Longitude: 108,2° (Northern Summer)
Credits: NASA/JPL/University of Arizona
Additional process. and coloring: Lunar Explorer ItaliaMareKromium
|
|
Huygens-Down-04.jpgHuygens' Descent to Titan: 85 Km from the Surface (credits: R. Pascal)58 visiteAltitude: about 85 Km and still nearly two hours of descent are separating Huygens from the Surface of Titan.MareKromium
|
|
Huygens-Down-01.jpgHuygens' Descent to Titan: 110 Km from the Surface (credits: R. Pascal)58 visiteThe haze of Titan's Atmosphere preferently scatters blue and UltraViolet light: this is the reason why the Outer Atmosphere of Titan appears blue in some Cassini images. In reality, the effect of a blue outer atmosphere on Titan may be less prominent than on this rendered image.
This was the altitude were the main parachute was jettisoned and first surface structures came into view for Huygens' cameras.MareKromium
|
|
Huygens-Down-00.jpgHuygens' Descent to Titan: 115 Km from the Surface (credits: R. Pascal)58 visiteThe Huygens Probe just jettisoned its Main-parachute and is now hanging under the smaller Stabiliser-parachute. This Stabiliser-parachute will carry Huygens for the next two hours all the way down to the Surface of Titan. MareKromium
|
|
| 25353 immagini su 2113 pagina(e) |
 |
|
|
|
|
1351 | |
|
|
|
|
