It seems “they” are saying the roughly circular feature that holds the bright spots is a depression (crater). It appears more like a bulge.
It’s clearly a space zit.
It seems they are saying the roughly circular feature that holds the bright spots is a depression (crater). It appears more like a bulge.
It's a trick of the lighting. Turn the picture upside down.
Your brain expects the light to be coming from above. In this picture, it's coming from below.