Craters on Mars DRAFT Google Earth.

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Presentation transcript:

Craters on Mars DRAFT Google Earth

Craters form when meteorites strike the surface In the collision the kinetic energy of the meteorite is transferred to sound, heat, chemical, elastic and gravitational potential energy leaving a crater University of Arizona, Space Imagery Center.

P and S wave P wave S - P time Seismometers record the waves from the impact The distance of the crater from the lander is found from the S – P time P and S wave P wave S - P time

Graph of S – P time against distance S – P time = 53 s Distance = 520 km S – P time

The amplitude of the waves from two seismometers is plotted The amplitude of the waves from two seismometers is plotted. The graph gives the direction that the waves must have come from. Seismometers North North - South 600 East West East - West South

The information can but put on a map Crater Lander Google Earth The distance from the S – P time

Old and new pictures can then be compared to look at the newly formed crater Now Google Earth