Tuesday, October 6, 2009

Lunar Impact Viewer's Guide

A very early film had folks riding to the Moon in a shell that was shot from Florida, USA.
The Moon is shown with a big bullet hitting in its eye.

Coming up on October 9th, 2009, the Moon is going to get hit again, but maybe not in its eye.
http://science.nasa.gov/headlines/y2009/05oct_lcrossvg.htm?list965414

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Lunar Impact Viewer's Guide

NASA Science News for October 5, 2009
On Friday morning, Oct. 9th, you can watch a pair of spacecraft crash into the Moon with your own eyes. The purposeful impacts are the climax of NASA's LCROSS mission to unearth signs of water in lunar soil. Today's story tells how and where to look.

FULL STORY at
http://science.nasa.gov/headlines/y2009/05oct_lcrossvg.htm?list965414

Check out our RSS feed at http://science.nasa.gov/rss.xml!
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The impact site is crater Cabeus near the Moon's south pole. NASA is guiding the Lunar Crater Observation and Sensing Satellite ("LCROSS" for short) and its Centaur booster rocket into the crater's floor for a spectacular double-impact designed to "unearth" signs of lunar water.

There are two ways to watch the show.

First, turn on NASA TV. The space agency will broadcast the action live from the Moon, with coverage beginning Friday morning at 3:15 am PDT (10:15 UT). The first hour or so, pre-impact, will offer expert commentary, status reports from mission control, camera views from the spacecraft, and telemetry-based animations.

The actual impacts commence at 4:30 am PDT (11:30 UT). The Centaur rocket will strike first, transforming 2200 kg of mass and 10 billion joules of kinetic energy into a blinding flash of heat and light. Researchers expect the impact to throw up a plume of debris as high as 10 km.

Close behind, the LCROSS mothership will photograph the collision for NASA TV and then fly right through the debris plume. Onboard spectrometers will analyze the sunlit plume for signs of water (H2O), water fragments (OH), salts, clays, hydrated minerals and assorted organic molecules.

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And that brings us to the second way to see the show: Grab your telescope.

"We expect the debris plumes to be visible through mid-sized backyard telescopes—10 inches and larger," says Brian Day of NASA/Ames. Day is an amateur astronomer and the Education and Public Outreach Lead for LCROSS. "The initial explosions will probably be hidden behind crater walls, but the plumes will rise high enough above the crater's rim to be seen from Earth."

The Pacific Ocean and western parts of North America are favored with darkness and a good view of the Moon at the time of impact. Hawaii is the best place to be, with Pacific coast states of the USA a close second. Any place west of the Mississippi River, however, is a potential observing site.
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A lot of folks had fun looking for signs of the Lunar Prospector crash into the Moon with little to show for it except the experience of looking up.

Maybe a better chance this time although the Moon will be bright in your telescope.
- LRK -

UNLESS -
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Adios, Star People
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NASA's LCROSS spacecraft is on track to hit a crater on the Moon early Friday. Dwayne Day imagines the mission as a cover for something more belligerent in this short story.
http://www.thespacereview.com/article/1478/1

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Thanks for looking up with me.

Larry Kellogg

Web Site: http://lkellogg.vttoth.com/LarryRussellKellogg/
BlogSpot: http://kelloggserialreports.blogspot.com/
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WHAT THE MIND CAN CONCEIVE, AND BELIEVE, IT WILL ACHIEVE - LRK

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