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jan 1, 1992 - Aleksander Wolszczan 1992
Description:
In 1992, Aleksander Wolszczan used a pulsar two reveal two other planets leading to the discovery of other planets outside the solar system.
Added to timeline:
History of Astronomy Timeline
By
GABRIEL XIONG
26 Nov 2019
0
0
321
Date:
jan 1, 1992
Now
~ 33 years ago
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