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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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jan 31, 1958 - Explorer I discovers the Van Allen Radiation Belt.

Added to timeline:

5 Sep 2017
0
0
578
Astronomy Timelime

Date:

jan 31, 1958
Now
~ 66 years ago
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