The Universe List
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How to play Crossword Puzzle?
- Click on an across or down clue.
- Type in the answer on puzzle.
- Background turns green on correct answer.
- Continue until the puzzle is solved.
- Clicking "hint" reveals a letter without awarding points.
- Clicking "word" reveals entire word without awarding points.
- Fill more answers in less time for higher score.
- experts in the science that deals with the sun, moon, planets, stars and galaxies
- to cave in
- to strike violently together
- firmly packed together
- a group of billions of stars forming one system
- extremely small units of matter