Below you can find the On christmas day in 1973 astronauts spent more than 7 hours working outside skylab & taking pictures of this comet Jeopardy Words Answer. The answer to On christmas day in 1973 astronauts spent more than 7 hours working outside skylab & taking pictures of this comet has 8 letters. This clue belongs to the Spacewalking category and is part of Jeopardy Word Level 2476. If you scroll near the bottom you will find other clues and answers part of level 2476