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By one estimate, as much as 40,000 tons of cosmic dust reaches the Earth's surface every year.
originally posted by: Legman
a reply to: wildespace
Question: How often other than on earth have we witnessed out gassing on an object?
I'm pretty ignorant in general on astronomy.
The bright spots have an albedo of around 40%, placing them in the snow/ice area. The albedo of the surface of Ceres is less than 10%. Lots of contrast.