Replies

To: MarchonDC09122009

does “observable history” mean the history of asteroid observation or just all of history?

3 posted on 04/15/2018 5:35:17 PM PDT by JohnBrowdie

To: JohnBrowdie

” ...observational history,...”

4 posted on 04/15/2018 5:40:51 PM PDT by Paladin2

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