seismic activity, I think
Seismographs have been used on the moon. Specifically they have used for learning about the moon's and Earth's evolution, understanding Earth's seismology with comparative studies, and gaining knowledge about tidal moonquakes or other origins of these forces.
the exact distance between earth and moon
In relation to the size of the moon, they are tiny, and we are so far from the moon. Even the astronauts orbiting the moon could not see them.
yes it can because there are some footprints on the moon left by the astronauts
It left for the moon on July 16, 1969
An American flag was left on the moon.
Death of three astronautsLots of information about the moon and spaceflightAccurate measurements of the distance to the Moon (they left a retro-reflector on the Moon which scientists could reflect laser pulses from)Lots of PR for the United States
Yes.The moon actually does have craters left by meteor crashes.
frequent moonquakes...
You could call your haiku, The Moon.
Neil Armstrong's boots were left on the moon along with nine other pairs of boots. They were left so that the moon rocks could come back. Weight issue.
Apollo 11 left the moon on July 21, 1969, at 17:54 UTC.