The astronomers in the second week of February 2013 discovered the pro – McqOptions

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1.	The astronomers in the second week of February 2013 discovered the proof that cosmic rays originate as the results of explosions of stars or supernova, these are termed as the most energetic event in the galaxy. Who discovered the cosmic rays first in 1912?
A.	Abd al-Rahman al-Sufi
B.	Eratosthenes
C.	Victor Hess
D.	Claudius Ptolemy
Answer» D. Claudius Ptolemy

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