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Bottom line is we don't know at this point and the scientists have the THEORY it is reflected sunlight. Now, if they did take a photo in complete dark (easy since DAWN is orbiting), and it is not illuminated, then that would make the theory 99.999% probable. I haven't seen one myself and maybe someone has. I ask where the earlier dark picture was from. I can take it in Photoshop and and turn down brightness and exposure and come up with the spots and it looks like the body is in dark. I want to see an actually dark side photo and then we will be able to rule in or out sunlight reflection as the cause. Until then I am on the fence.
It is. The spots are reflecting or illuminating extremely bright. I keep hearing of overexposure, but NASA would have said that right up front. The fact they don't know what it is since they have been on it for a couple of months and closer orbits, says it is not overexposure. They would have checked that first.
A cluster of mysterious bright spots on dwarf planet Ceres can be seen in this image, taken by NASA's Dawn spacecraft from an altitude of 2,700 miles (4,400 kilometers). The image, with a resolution of 1,400 feet (410 meters) per pixel, was taken on June 9, 2015.
originally posted by: Ophiuchus 13
Can any explain what could make the track like marks that seem to go over various heights of terrain?
originally posted by: PublicOpinion
a reply to: spirit_horse
Don't pull my leg on good old Hesekiel here.
Well, Nasa didn't say much with regards to this pic. Your guess would be what exactly then?
A cluster of mysterious bright spots on dwarf planet Ceres can be seen in this image, taken by NASA's Dawn spacecraft from an altitude of 2,700 miles (4,400 kilometers). The image, with a resolution of 1,400 feet (410 meters) per pixel, was taken on June 9, 2015.
photojournal.jpl.nasa.gov...
No Photoshop. Don't think so, you can get better results with said method of reduced light-exposure.
perhaps its residents feel that it makes sense to keep their city illuminated throughout Ceres’ rotation cycle rather than turning its lights on and off.
originally posted by: OnionHead
Stupid question. If this were indeed a city then wouldn't SETI have already picked up a signal. I've always liked the idea of SETI, surely if intelligent life is out there to be found then you'll hear them before you see them?
originally posted by: OnionHead
Stupid question. If this were indeed a city then wouldn't SETI have already picked up a signal. I've always liked the idea of SETI, surely if intelligent life is out there to be found then you'll hear them before you see them?
originally posted by: Korg Trinity
The bright spots are not self illuminating.. they are caused by a reflective material which is reflecting sunlight...
Now you have to ask yourself a question.... what is the most likely source of reflective material on Ceres? Is it: -
A) Ice or other natural crystalline structure
or
B) Unnatural formation either built by us or by an Alien civilization....
Please follow the logic....
Korg.
originally posted by: FlySolo