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When:
4th June 2020 @ 7:45 pm – 9:45 pm
2020-06-04T19:45:00+01:00
2020-06-04T21:45:00+01:00
Nick will be talking to us via Zoom, about :-
“The Great Debate” of 1920, that was between Heber D. Curtis, then of Lick Observatory, and Harlow Shapley of Mount Wilson Solar Observatory, concerning the scale and makeup of the universe.