For Heldmann, she's prepared for impact day...ready to scan and span the spectrum of data to be gathered.

"It has been a lot of work for four minutes of data...but it's a really important four minutes of data," Heldmann said. "Hopefully, we'll have a variety of data sets that we can combine and make a coherent story. That's the going-in plan."

Video - Why Bomb the Moon?

Images: Full Moon Fever

How to Watch NASA's LCROSS Smack the Moon

Leonard David has been reporting on the space industry for more than four decades. He is past editor-in-chief of the National Space Society's Ad Astra and Space World magazines and has written for SPACE.com since 1999.

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