Windows to the Universe

In this photograph, an Apollo astronaut stands on the edge of the Plum Crater. Impact craters last a long time on the Moon. The lack of wind and water means that the Moon's surface does not change as quickly as the surface of the Earth.
NASA

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In this photograph, an Apollo astronaut stands on the edge of the Plum Crater. Impact craters last a long time on the Moon. The lack of wind and water means that the Moon's surface does not change as quickly as the surface of the Earth. NASA

In this photograph, an Apollo astronaut stands on the edge of the Plum Crater. Impact craters last a long time on the Moon. The lack of wind and water means that the Moon's surface does not change as quickly as the surface of the Earth. NASA

In this photograph, an Apollo astronaut stands on the edge of the Plum Crater. Impact craters last a long time on the Moon. The lack of wind and water means that the Moon's surface does not change as quickly as the surface of the Earth. NASA

In this photograph, an Apollo astronaut stands on the edge of the Plum Crater. Impact craters last a long time on the Moon. The lack of wind and water means that the Moon's surface does not change as quickly as the surface of the Earth.
NASA

In this photograph, an Apollo astronaut stands on the edge of the Plum Crater. Impact craters last a long time on the Moon. The lack of wind and water means that the Moon's surface does not change as quickly as the surface of the Earth.
NASA

In this photograph, an Apollo astronaut stands on the edge of the Plum Crater. Impact craters last a long time on the Moon. The lack of wind and water means that the Moon's surface does not change as quickly as the surface of the Earth.
NASA