Riley (crater)
Encyclopedia
Riley is a crater
Impact crater
In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...

 on Venus
Venus
Venus is the second planet from the Sun, orbiting it every 224.7 Earth days. The planet is named after Venus, the Roman goddess of love and beauty. After the Moon, it is the brightest natural object in the night sky, reaching an apparent magnitude of −4.6, bright enough to cast shadows...

.

The crater is 25 kilometres (15.5 mi) in diameter. The floor of the crater is 580 metres (1,914 feet) below the plains surrounding the crater. The crater's rim rises 620 metres (2,046 feet) above the plains and 1,200 metres (3,960 feet) above the crater floor. The crater's central peak is 536 metres (1,769 feet) high. The crater's diameter is 40 times the depth resulting in a relatively shallow appearance.
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