| Risultati della ricerca nelle immagini - "false" |
034-OPP-SOL101-1P137171634EFF2019P2680L2M1.jpgSunset, according to NASA107 visiteEd ecco, invece, il tramonto secondo la NASA.
Attenzione: nel fare le Vostre valutazioni, cercate di non farVi confondere da impressioni "estetiche" (del tipo "quale cielo è più carino"?).
Guardate le immagini NASA in approximate true colors, leggete quello che loro scrivono per spiegare questi "true colors" e poi provate a guardare la nostra interpretazione, la quale esprime solo premesse di Buon Senso e non poggia sull'impiego (nevrastenico) di una marea di filtri che, alla fine, riuscirebbero a deformare la percezione dei colori di chiunque...
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SOL731-PIA06101.jpgMartian "Corals" (false colors) - Sol 73162 visiteIn recent weeks, as NASA's MER Spirit has driven through the basin south of Husband Hill, it has been traversing mainly sand and dune deposits. This week, though, Spirit has been maneuvering along the edge of an arc-shaped feature called Lorre Ridge and has encountered some spectacular examples of basaltic rocks with striking textures. This PanCam image shows a group of boulders informally named "FuYi". These basaltic rocks were formed by volcanic processes and may be a primary constituent of Lorre Ridge and other interesting landforms in the basin.
Spirit first encountered basalts at its landing site 2 years ago, on a vast plain covered with solidified lava that appeared to have flowed across Gusev Crater. Later, basaltic rocks became rare as Spirit climbed Husband Hill. The basaltic rocks that Spirit is now seeing are interesting because they exhibit many small holes or vesicles, similar to some kinds of volcanic rocks on Earth. Vesicular rocks form when gas bubbles are trapped in lava flows and the rock solidifies around the bubbles. When the gas escapes, it leaves holes in the rock. The quantity of gas bubbles in rocks on Husband Hill varies considerably; some rocks have none and some, such as several here at FuYi, are downright frothy.
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ZE-I-Viking1-p139.jpgColor snap-shots from Viking 1 (10)89 visite"...Figure (10) can best be assigned to the "Special Effects" Category. It illustrates one of the many ways in which black and white images can be combined and printed in color to yield unusual patterns. In this instance an early morning image is assigned the color yellow and a picture taken in the afternoon is assigned the color blue. Although colors produced in this way are completely false, important details in the scene are sometimes favorably accentuated..."
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