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W6RDZ back with the rocket report. Alright, best viewing will be in North and South America where the moon will be high above the horizon. The truck-sized 88,000-pound impactor will strike the moon at 5,436 miles an hour near the Einstein crater on the sunlit limb. That's about six times slower than your average asteroid impact. The impact flash will last less than a second. The Falcon upper stage is expected to cut out a new crater on the moon, 90 feet wide, and 16 foot deep. A plume of impact debris is predicted to rise several miles above the moon's limb. Some models predict it may be as much as 31 miles an altitude. The ejecta cloud is predicted to rise.