What happened in the 1860s?
🔭 The discovery of the asteroid 87 Sylvia by Norman Robert Pogson (1866)
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Further Reading
87 Sylvia - Wikipedia (wikipedia.org)
Asteroid 87 Sylvia | TheSkyLive (theskylive.com)
(87) Sylvia, Romulus, and Remus - Johnston's Archive (johnstonsarchive.net)
Professional and Amateur Astronomers Shed Light on Asteroid Sylvia (sci.news)
87 Sylvia Facts for Kids (kiddle.co)
87 Sylvia | Space Wiki | Fandom (fandom.com)
87 Sylvia - Simple English Wikipedia, the free encyclopedia (wikipedia.org)
87 Sylvia - Academic Kids (academickids.com)
Scaling the magnitude: the fall and rise of N. R. Pogson - NASA/ADS (harvard.edu)
Sylvia | The Solar System Wiki | Fandom (fandom.com)