Here you may find the answer for: 1985 non-fiction science book by Carl Sagan. This clue / hint is part of Word Lanes Level 68. If you are stuck and are looking for help then you have come to the right place as we have solved not only Level 68 but all the Word Lanes game levels.
1985 non-fiction science book by Carl Sagan
The answer is:
COMET
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