Cai Lun

Origin of the name

Chinese inventor (c. 57-121).

When to observe it

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Nearby

• Nansen 95 km
• Haskin 103 km
• Houssay 112 km
• Shi Shen 144 km
• Hevesy 177 km
• Bi Sheng 201 km
• Bosch 211 km
• Whipple 274 km