1198: November, 2017 initial analysis of the Oumuamua passage through the Solar System. David Grinspoon, @funkyspoon Planetary Science Institute.
Photo: No known restrictions on publication.1930. Naval Observatory. Telescope house, Naval Observatory http://JohnBatchelorShow.com/contact http://JohnBatchelorShow.com/schedules Parler & Twitter: @BatchelorShow November, 2017 initial analysis of the Oumuamua passage through the Solar System. David Grinspoon, @funkyspoon Planetary Science Institute. https://en.wikipedia.org/wiki/ʻOumuamua