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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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jan 1, 1922 - Ernst opik demonstrates that the Andromeda nebula lies outside the milky way galaxy.

Added to timeline:

6 Aug 2017
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580
New timeline

Date:

jan 1, 1922
Now
~ 102 years ago
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