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LCROSS

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NASA's LCROSS Impacts Confirm Water in Lunar Crater

LCROSS before impact. Credits: NASA

[NASA Press Release - 13.11.2009]
Preliminary data from NASA's Lunar Crater Observation and Sensing Satellite, or LCROSS, indicates the mission successfully uncovered water in a permanently shadowed lunar crater.
The discovery opens a new chapter in our understanding of the moon.

The LCROSS spacecraft and a companion rocket stage made twin impacts in the Cabeus crater Oct. 9 that created a plume of material from the bottom of a crater that has not seen sunlight in billions of years.

NASA Briefs Preliminary Plume Findings from Moon Mission

Cabeus A crater. Credits: NASA

[NASA Press Release - 10.11.2009]
NASA will hold a news conference Friday to talk about early science results from its successful moon impacting mission, the Lunar Crater Observation and Sensing Satellite, or LCROSS. The satellite gained worldwide attention when it plunged into a crater near the moon's south pole on Oct. 9.

The briefing from NASA's Ames Research Center in Moffett Field, Calif., will begin at 9 a.m. PST, on Nov. 13. It will be broadcast live on NASA Television and the agency's Web site. For NASA TV streaming video, downlink and scheduling information, visit:

NASA Spacecraft Impacts Lunar Crater in Search for Water Ice

LCROSS before impact. Credits: NASA

[NASA Press Release - 09.10.2009]
NASA's Lunar Crater Observation and Sensing Satellite, or LCROSS, created twin impacts on the moon's surface early Friday in a search for water ice. Scientists will analyze data from the spacecraft's instruments to assess whether water ice is present.

The satellite traveled 5.6 million miles during an historic 113-day mission that ended in the Cabeus crater, a permanently shadowed region near the moon's south pole. The spacecraft was launched June 18 as a companion mission to the Lunar Reconnaissance Orbiter from NASA's Kennedy Space Center in Florida.

NASA Invites Reporters to Events for LCROSS Lunar Impact

LCROSS heading towards the Moon. Credits: NASA

[NASA Press Release - 06.10.2009]
NASA is inviting journalists to events this week in Washington and California to observe the twin impacts of the Lunar Crater Observation and Sensing Satellite, or LCROSS, and its rocket's upper stage as they impact the moon. The goal of the mission is to search for water ice on the moon.

The satellite and upper stage both are scheduled to hit a permanently shadowed crater of the moon, four minutes apart, at approximately 4:30 a.m. and 4:34 a.m. PDT on Friday, Oct. 9. NASA Television coverage begins at 3:15 a.m. PDT.

LCROSS Viewer's Guide

LCROSS impact crater Cabeus. Credits: NASA

[NASA Science Article - 05.10.2009]
Just imagine. A spaceship plunges out of the night sky, hits the ground and explodes. A plume of debris billows back into the heavens, leading your eye to a second ship in hot pursuit. Four minutes later, that one hits the ground, too. It's raining spaceships!

Put on your hard hat and get ready for action, because on Friday, Oct. 9th, what you just imagined is really going to happen--and you can have a front row seat.

NASA Ames to Showcase Spectacular LCROSS Lunar Impacts

LCROSS heading towards the Moon. Credits: NASA

[NASA Press Release - 05.10.2009]
NASA's Lunar CRater Observation and Sensing Satellite (LCROSS) mission will come to a dramatic conclusion at approximately 4:30 a.m. PDT (7:30 a.m. EDT) on Friday, Oct 9, 2009, with the impact of the LCROSS Centaur upper stage rocket and four minutes later, the impact of the LCROSS Shepherding Spacecraft into Cabeus crater near the moon's south pole. To mark the event, NASA Ames Research Center is hosting 'LCROSS Impact Night.' News media are invited to cover the three-part event that is open to the public and free of charge.

NASA's LCROSS Mission Changes Impact Crater

LCROSS impact crater Cabeus. Credits: NASA

[NASA Press Release - 29.09.2009]
NASA's Lunar Crater Observation and Sensing Satellite mission (LCROSS) based on new analysis of available lunar data, has shifted the target crater from Cabeus A to Cabeus (proper).

The decision was based on continued evaluation of all available data and consultation/input from members of the LCROSS Science Team and the scientific community, including impact experts, ground and space based observers, and observations from Lunar Reconnaissance Orbiter (LRO), Lunar Prospector (LP), Chandrayaan-1 and JAXA's Kaguya spacecraft. This decision was prompted by the current best understanding of hydrogen concentrations in the Cabeus region, including cross-correlation between the latest LRO results and LP data sets.

Doubts about LCROSS landing site

LPOD 12.09.2009. Credits: NASA

[LPOD - 12.09.2009]

Editors note: This is a comment made by Chuck Wood on the LPOD wesite

I am confused by NASA's selection of Cabeus A as the target for the LCROSS impact of October 9. According to the NASA press release Cabeus A was selected based on a set of conditions that include proper debris plume illumination for visibility from Earth, a high concentration of hydrogen, and mature crater features such as a flat floor, gentle slopes and the absence of large boulders.

NASA's LCROSS Reveals Target Crater For Lunar South Pole Impacts

Cabeus A crater. Credits: NASA

[NASA Press Release - 11.09.2009]
NASA has selected a final destination for its Lunar Crater Observation and Sensing Satellite, or LCROSS, after a journey of nearly 5.6 million miles that included several orbits around Earth and the moon. The mission team announced Wednesday that Cabeus A will be the target crater for the LCROSS dual impacts scheduled for 7:30 a.m. EDT on Oct. 9, 2009. The crater was selected after an extensive review as the optimal location for LCROSS' evaluation of whether water ice exists at the lunar south pole.

NASA Selects Target Crater for Lunar Impact of LCROSS Spacecraft

LCROSS heading towards the Moon. Credits: NASA

[NASA Press Release - 08.09.2009]
NASA has identified the spot where it will search for water on the moon. Reporters are invited to attend the announcement of the target location where the Lunar Crater Observation and Sensing Satellite, or LCROSS, and its spent Centaur rocket will hit in October. The briefing will take place at 10 a.m.
PDT, Friday, Sept. 11, in the main auditorium, Building N201, of NASA's Ames Research Center in Moffett Field, Calif. The event will be broadcast live on NASA Television and the agency's Web site.

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