View Full Version : Universe Puzzle No. 13

2010-May-11, 02:30 PM
How did you do in last week's Universe Puzzle? Did you figure out an answer, but didn't write up your reasons why it was the best?Do you enjoy these puzzles? What do you particularly like? Dislike? Would like to see changed? Would like to see more of? Let me know please!Once again, this week's puzzle [...]

More... (http://www.universetoday.com/2010/05/11/universe-puzzle-no-13/)