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However, although I have provided an explanation for the marks, I fail to find a confident explanation for the difference between these two pictures:
originally posted by: verschickter
a reply to: intrptr
It looks like powdercoated, this stuff is rigid. It could also have been a micro meteor. Don´t know the chances of it being eaten up by the thin atmosphere but that could be another possibility.
originally posted by: swanne
However, although I have provided an explanation for the marks, I fail to find a confident explanation for the difference between these two pictures:
In the second picture, Curiosity is cleaner as a whole. I can see it both on the grain of the main cable and the shine of the camera-closest loop of cable, and it's also visible on the tube (the marks seem gone).
Mars has low atmospheric pressure. It's possible that a low pressure storm somehow vacuumed / blew the dust away.
I think the cables can resist a bit of abrasion.
originally posted by: verschickter
a reply to: intrptr
Due to the atmosphere being so thin, I conclude it would take longer for the dust to clean up as it would on earth. Probably by the factor x = earth´s atmospheric density / mars´s atmospheric density. Just a thougtplay.
The Materials Adherence Experiment had a glass plate that allowed the dust to be cleared off and protected a Gallium arsenide photo-cell. It was part of the Mars Pathfinder program in the 1990s.
originally posted by: intrptr
a reply to: swanne
I think the cables can resist a bit of abrasion.
Thats because you're not a cable harness engineer. Cable harness routing is primarily concerned with abrasion, especially on space missions say to other planets where there are no repair facilities.
originally posted by: reldra
originally posted by: intrptr
a reply to: swanne
I think the cables can resist a bit of abrasion.
Thats because you're not a cable harness engineer. Cable harness routing is primarily concerned with abrasion, especially on space missions say to other planets where there are no repair facilities.
You would then both be right. These ties were specifically engineered to resist abrasion and corrosion and were engineered for both that and the placement was specifically chosen.
People have been Questioning NASA a lot lately, what do you think about that?
originally posted by: spirit_horse
Nice catch. Very interesting. There was a thread I saw about Mars Anomalies and in one photo it looked like the shadow of a person that was working on the rover.
A long time ago there was a story that a person working at JPL or NASA that had a camera feed from the main control area in another room. She claimed to see 2 beings (that looked like humans in space suits and helmets walking toward the rover. Their feed quit working suddenly and she went to the control room but the door was locked and had paper covering the window within the door. It wasn't locked with paper blocking the window until that occurred. I also have no idea what came of the thread.
Some people were talking about a possible breakaway civilization and others a possible military program that isn't supposed to be known.