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In Houston, NASA introduced a six second delay before releasing the TV worldwide. This was to give NASA enough time to cut the broadcast in case an accident occurred to the astronauts - NASA didn't want the world to witness a disaster. The ABC on the other hand didn't have this delay; it broadcast the TV live. Also, because the signal for the Australian broadcast did not have to travel to Houston (via satellite) and then back again as it did for the rest of the world, a further delay of 300 milliseconds was avoided. As a result of these, Australian audiences saw the pictures some 6.3 seconds before the rest of the world. [Updated 25 February 2009: The six second delay was not in place during the Apollo 11 mission. This statement is now known to be incorrect. The six second delay was in fact introduced during the Apollo 16 and 17 missions and was due to the time required for improving the TV. The 300 millisecond transmission delay was of course in place, so the correct statement should read "Australian audiences saw the pictures some 0.3 seconds before the rest of the world."]
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