Answer | Crossword Clue |
---|---|
EON | One billion years to Hubble |
EON | A billion years, to Hubble |
EON | One billion years, to an astronomer |
AEON | One billion years |
EON | One billion years |
AEON | One billion years (var.) |
EONS | One billion years, geologically |
EON | One billion years, geologically |
AEON | One billion years (Var.) |
EON | One billion years, in astronomy |
EON | One billion years in ONE? |
EON | One billion years, in geology |
EON | One billion years, in geologic time |
AEON | One spelling of a billion years |
EON | Division of about one billion years |
EON | The Hadean was the first one, ending about 4 billion years ago |