Bruce Murray Space Image Library

Hollows and pits in Lermontov crater

Hollows and pits in Lermontov crater
Hollows and pits in Lermontov crater Lermontov crater is 166 kilometers in diameter. Its flat floor contains three kinds of holes: impact craters, volcanic pits, and hollows. Volcanic pits are deep, irregular in shape, and surrounded by a halo of reddish material. Hollows are shallower, smaller, and bright. NASA / JHUAPL / CIW

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