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发帖数: 1994 | 1 Shuttle Plume Shadow Points to Moon
Credit: Pat McCracken, NASA
Explanation: Why would the shadow of a space shuttle launch plume point
toward the Moon? In early 2001 during a launch of Atlantis, the Sun, Earth,
Moon, and rocket were all properly aligned for this photogenic coincidence.
First, for the space shuttle's plume to cast a long shadow, the time of day
must be either near sunrise or sunset. Next, just at sunset, the shadow is
the longest and extends all the way to the horizon. Finally, |
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