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November 1, 2025
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197216
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nov 15, 1972 - November 15, SAS-2

Description:

The SAS-2 was the first Gamma Ray observatory in orbit. It was launched by NASA. The purpose was to measure galactic and extragalactic gamma radiation.

Added to timeline:

13 Dec 2018
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Date:

nov 15, 1972
Now
~ 52 years ago