One spelling of a billion years
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AnswerCrossword Clue
AEONOne spelling of a billion years
EONDivision of about one billion years
aeonsunit of geologic time equal to one billion years
eonsunit of geologic time equal to one billion years
AEONOne billion years
EONOne billion years
EONOne billion years, geologically
AEONOne billion years (var.)
AEONOne billion years (Var.)
EONSOne billion years, geologically
EONOne billion years to Hubble
EONOne billion years in ONE?
EONOne billion years, in astronomy
EONOne billion years, in geology
EONOne billion years, in geologic time
EONOne billion years, to an astronomer
EONThe Hadean was the first one, ending about 4 billion years ago