Year 2036: Mars colonization and a date with destiny

Year 2036: Mars colonization and a date with destiny

Dr. Neil deGrasse Tyson host of the NOVA scienceNOW PBS program

From a half billion kilometers away, the message was powerful. In 1994, fragments of the Shoemaker-Levy 9 comet slammed into Jupiter. The earth-size fireballs ejected into space were captured and relayed back to be seen again and again in Internet replay. The message: we need a foothold in space if our species is to survive.

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Satellite Propelled By Solar Sails

Satellite Propelled By Solar Sails

 NanoSail-D

For the first time, NASA is preparing to send into orbit a small satellite that can be propelled by solar sails. When light particles from the sun strike the surface of the sail, the energy is transferred to it, providing a propulsive force that moves the satellite through space.

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