Dawn spacecraft nears dwarf planet Ceres

Started by davekill, March 05, 2015, 02:39:18 AM

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davekill

Propelled by three ion engines, the probe encounters it's first mystery as it prepares for orbit.
Two bright spots seen from 20 thousand miles are of unknown origin.

http://arynews.tv/en/nasa-dawn-nears-encounter-dwarf-planet-ceres/

Bromptonboy

I wonder if that is some kind of silica on the surface that is reflecting back.  Or obelisks...  ;)
Pete

moyer777


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MARKO

Here is the issue with the so  called reflection.... its still shining when the dwarf planet is not facing the sun hmmmmmmmm?
"Amat Victoria Curam"

Bromptonboy

Quote from: MARKO on March 05, 2015, 09:07:15 AM
Here is the issue with the so  called reflection.... its still shining when the dwarf planet is not facing the sun hmmmmmmmm?
Wow - I hadn't read that - I have only seen this one photo. It is in the middle of the crater - perhaps the object that hit the crater is somehow radioactive - and split into 2 bits when it struck? And the camera is sensitive to this. The planet is bathed in light in this pic.
Have they ruled out lens flair...  (smirk).. ?  :)
Pete


Bromptonboy

That is interesting.  I am thinking those 2 spots are ice crystals (perhaps an ice plume).  Can't wait for more data.
Pete

davekill