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Bir Singh Sonal Panse Dipanjana Mukherjee Bir Singh Namrata Naha
Om Banna
Snake Island
Lithopedion
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Space colony
Soviet cosmonaut Alexey Leonov during the space walk, 1965.
Apollo 11 quarantine
'Oumuamua
N-Rays
Spider on drugs
Global positioning system.
Day length fluctuations.
Super Guppy
Rakotzbrücke