Editing 1441: Turnabout
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==Explanation== | ==Explanation== | ||
β | In the comic, two people are engaging in a battle with laser guns. One appears to gain the upper hand as he jumps on an obstacle, as the other's shot goes wide. He delivers the classic line {{tvtropes|Main/AnyLastWords|"Any last words?"}} and is answered with the confusing phrase "Apollo retroreflectors". The earlier wild shot, reflected off the Moon, promptly lances down from space and hits him in the back | + | In the comic, two people are engaging in a battle with laser guns. One appears to gain the upper hand as he jumps on an obstacle, as the other's shot goes wide. He delivers the classic line {{tvtropes|Main/AnyLastWords|"Any last words?"}} and is answered with the confusing phrase "Apollo retroreflectors". The earlier wild shot, reflected off the Moon, promptly lances down from space and hits him in the back. |
A {{w|retroreflector}} is a device or surface that reflects light back towards its source. Several such devices {{w|List of retroreflectors on the Moon|were placed on the Moon}} during the Apollo missions and have been used ever since by scientists on Earth to {{w|Lunar Laser Ranging experiment|measure the distance between the two bodies using laser ranging}}. Retroreflectors were placed by the American {{w|Apollo 11}}, {{w|Apollo 14|14}}, and {{w|Apollo 15|15}} missions. The Soviet {{w|Lunokhod 1}} and {{w|Lunokhod 2|2}} rovers also carried such reflectors; attempts to use them for laser ranging were unsuccessful from 1971 to 2010, but were successfully renewed after the rovers' positions were photographed by the {{w|Lunar Reconnaissance Orbiter}}. | A {{w|retroreflector}} is a device or surface that reflects light back towards its source. Several such devices {{w|List of retroreflectors on the Moon|were placed on the Moon}} during the Apollo missions and have been used ever since by scientists on Earth to {{w|Lunar Laser Ranging experiment|measure the distance between the two bodies using laser ranging}}. Retroreflectors were placed by the American {{w|Apollo 11}}, {{w|Apollo 14|14}}, and {{w|Apollo 15|15}} missions. The Soviet {{w|Lunokhod 1}} and {{w|Lunokhod 2|2}} rovers also carried such reflectors; attempts to use them for laser ranging were unsuccessful from 1971 to 2010, but were successfully renewed after the rovers' positions were photographed by the {{w|Lunar Reconnaissance Orbiter}}. |