Space

Which side of the photo is the source of light?

The astronomical mystery of the blue-black and white-gold dress.

Which side of the photo is the source of light?

Top right
Bottom left

The correct answer is: the light source is on the lower left, behind the apparatus that made the photo. What could seem craters to you – these are actually rocks. Try to consider them: if it works out, the direction of the light will become obvious. It will be easier to do if you start looking from the bottom right corner, where the shadows from the high stones are longer.

Another clue: in the upper right corner of the photo there is a slight shadow from the device that took the picture. It can be there only if the light source is at the bottom left.

The photo was taken on October 3, 2018 by the Japanese MASCOT while landing on the asteroid Ryugu. This is part of the Japanese mission Hayabusa-2.

 

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