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NASA acquires data after spacecraft’ twin impacts into moon

Published: 09/10/2009 05:00

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NASA has successfully collected data after two spacecraft — the Centaur rocket and the Lunar Crater Observation and Sensing Satellite (LCROSS) — impacted the moon’s south pole.

Lunar Crater Observation and Sensing Satellite’s (LCROSS) chief lunar scientist Jennifer Heldmann speaks at a news conference after the twin impacts of LCROSS, and its rocket’s upper stage in Moffett Field, California October 9, 2009. Searching for stocks of water on the moon, NASA crashed two spacecraft into an eternally dark lunar crater, hoping to splash ice into the light where instruments could assess it.(Xinhua/Reuters Photo)

“We have a tremendous amount of data gathered through observation campaign, both ground-based and space-based,” said Jennifer Heldmann, coordinator of the LCROSS observation campaign, at a press conference held after the impacts. It will take some time to understand what is seen in the data, Heldmann said.

Anthony Colaprete, LCROSS principal investigator, reports the Centaur impacted as planned and they observed the flash and crater.

“There was an impact,” Colaprete said. “We saw the impact. We saw the crater.”

Spectrometers aboard LCROSS also gathered a wealth of data from the impact, according to Colaprete. “That, by itself, may constitute enough information to answer some fundamental questions,” Colaprete said.

Colaprete also projected it would take several weeks to determine whether and how much hydrogen-bearing compounds were found.

NASA successfully crashed two spacecraft into the moon’s south pole in a hunt for hidden ice on Friday.

The 2.2-ton Centaur, the upper stage of the Atlas V rocket that carried the LCROSS, into space struck the moon first at 7:31 a.m. EDT (1131 GMT). Four minutes later, the LCROSS hit the Cabeus crater floor near the moon’s south pole.

NASA had expected the strikes to kick up a plume of lunar dirt to an altitude of about 6.2 miles (10 kilometers) and produce a flash lasting about 30 seconds. However, grainy thermal images carried on NASA’s television station showed no apparent flashes as the rocket struck.

VietNamNet/Xinhuanet

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