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ISSUE 25 - March 2019





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Explained in 60 Seconds: The Diversity of Distant Worlds (page 04)
Batalha, N.

Summary

To date, astronomers have discovered almost 4,000 exoplanets by observing stars and watching for a slight reduction in their brightness as a planet passes in front of them. Although planets are merely specs against their parent stars, we now have telescopes sensitive enough to detect them.