NASA spacecraft to search for water on the Moon

June 25th, 2008 - 4:50 pm ICT by ANI  

Washington, June 25 (ANI): Engineering teams are conducting final checkouts of the Lunar Crater Observation and Sensing Satellite, known as LCROSS, that will take a significant step forward in the search for water on the moon.

The missions main objective is to confirm the presence or absence of water ice in a permanently shadowed crater near a lunar polar region.

To simulate the harsh conditions of space, technicians subjected the spacecraft to 13.5 days of heating and cooling cycles during which temperatures reached as high as 230 degrees Fahrenheit and as low as minus 40 degrees.

Previous testing for the LCROSS spacecraft included acoustic vibration tests. Those tests simulated launch conditions and checked mating of connection points to the Atlas V rockets Centaur upper stage and the adapter ring for the Lunar Reconnaissance Orbiter, known as LRO.

The satellite currently is undergoing final checkout tests.

After all tests are complete, the LCROSS spacecraft will be prepared for delivery to NASAs Kennedy Space Center in Florida for launch processing and integration onto the Atlas V as a secondary payload to LRO.

After launch, the LCROSS spacecraft and the Atlas Vs Centaur upper stage rocket will execute a fly-by of the moon and enter into an elongated Earth orbit to position the satellite for impact on a lunar pole.

On final approach, the spacecraft and the Centaur will separate.

The Centaur will strike the surface of the moon, creating a debris plume that will rise above the surface. Four minutes later, LCROSS will fly through the debris plume, collecting and relaying data back to Earth before impacting the lunar surface and creating a second debris plume.

Scientists will observe both impacts from Earth to gather additional information.

Both spacecraft are scheduled to launch from Kennedy in late 2008. (ANI)

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