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AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
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2

dec 29, 1905 - Mount Wilson Observatory was established for study of the Sun.

Added to timeline:

11 months ago
0
0
116
Astronomy Timelime

Date:

dec 29, 1905
Now
~ 112 years ago
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