Walking on Mars with Spirit and Opportunity
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OPP-SOL956-PIA09170-1.jpgMartian Twilights... - Sol 956 (elab. Lunexit)81 visitenessun commento
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OPP-SOL956-PIA09170.jpgClouds over Meridiani (natural colors) - Sol 956174 visiteLike clouds on Earth, these Martian clouds are probably composed of ice crystals and possibly supercooled water droplets. They are similar in appearance to terrestrial cirrocumulus or high altocumulus clouds. On Earth, such clouds are relatively transient and consist of small, individual cloudlets arranged in rippled patterns. They usually form 6 to 12 Km (about 4 to 7 miles) above Earth's surface by a process known as convection, during which warm air rises and cools, with clouds condensing from the moist air once it has cooled sufficiently.
These Martian clouds appear to be associated with a broader layer of ice-crystal clouds fanning out toward the upper right of the frames at the end of the movie. This is similar to the occurrence of terrestrial cirrocumulus and altocumulus clouds within layers of cirrus or cirrostratus clouds on Earth.
Also apparent in this movie are prominent waves in the clouds, a result of the effect of gravity waves on cloud thickness, as on Earth.
Though both Rovers now have the ability to autonomously detect clouds, these images were taken prior to the first use of the new abilities. The images shown here were stored on Opportunity and were transmitted to Earth on Sol 1056 (such as Jan. 12, 2007) during a routine communications pass.
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OPP-SOL957-1N213144313EFF76LJP0675R0M1.jpgVictoria Crater (1) - Sol 95754 visiteCaption NASA:"Right NavCam Non-linearized Full frame EDR acquired on Sol 957 of Opportunity's mission to Meridiani Planum at approximately 13:27:51 MLT".
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OPP-SOL957-1N213144364EFF76LJP0675L0M1.jpgVictoria Crater (2) - Sol 95754 visiteCaption NASA:"Left NavCam Non-linearized Full frame EDR acquired on Sol 957 of Opportunity's mission to Meridiani Planum at approximately 13:28:41 MLT".
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OPP-SOL957-1N213144416EFF76LJP0675R0M1.jpgVictoria Crater (3) - Sol 95754 visiteCaption NASA:"Right NavCam Non-linearized Full frame EDR acquired on Sol 957 of Opportunity's mission to Meridiani Planum at approximately 13:29:31 MLT".
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OPP-SOL957-1N213144452EFF76LJP0675L0M1.jpgVictoria Crater (4) - Sol 95754 visiteCaption NASA:"Left NavCam Non-linearized Full frame EDR acquired on Sol 957 of Opportunity's mission to Meridiani Planum at approximately 13:30:06 MLT".
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OPP-SOL957-1N213144503EFF76LJP0675R0M1.jpgVictoria Crater (5) - Sol 95754 visiteCaption NASA:"Right NavCam Non-linearized Full frame EDR acquired on Sol 957 of Opportunity's mission to Meridiani Planum at approximately 13:30:56 MLT".
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OPP-SOL957-1P213145605EFF76LJP2394R1M1.jpgVictoria Crater (6) - Sol 95754 visiteCaption NASA:"Right PanCam Non-linearized Full frame EDR acquired on Sol 957 of Opportunity's mission to Meridiani Planum at approx. 13:48:49 MLT, camera commanded to use Filter 1 (436 nm)".
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OPP-SOL957-1P213145702EFF76LJP2394L7M1.jpgVictoria Crater (7) - Sol 95755 visiteCaption NASA:"Left PanCam Non-linearized Full frame EDR acquired on Sol 957 of Opportunity's mission to Meridiani Planum at approx. 13:50:23 MLT, camera commanded to use Filter 7 (432 nm)".
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OPP-SOL957-1P213145810EFF76LJP2394R1M1.jpgVictoria Crater (8) - Sol 95754 visiteCaption NASA:"Right PanCam Non-linearized Full frame EDR acquired on Sol 957 of Opportunity's mission to Meridiani Planum at approximately 13:52:08 MLT, camera commanded to use Filter 1 (436 nm).
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OPP-SOL957-1P213145911EFF76LJP2394R1M1.jpgVictoria Crater (9) - Sol 95767 visiteCaption NASA:"Right PanCam Non-linearized Full frame EDR acquired on Sol 957 of Opportunity's mission to Meridiani Planum at approximately 13:53:46 MLT, camera commanded to use Filter 1 (436 nm)".
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OPP-SOL958-1N213235005EFF76OIP0665L0M1.jpgWatching Victoria... (1) - Sol 955119 visitenessun commento
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