Electrically charged particles from space travelling at speeds of several hundred km/sec can severely harm living beings if they reach the surface of the Earth. What prevents them from reaching the surface of the Earth ?

examrobotsa's picture
Q: 45 (IAS/2012)
Electrically charged particles from space travelling at speeds of several hundred km/sec can severely harm living beings if they reach the surface of the Earth. What prevents them from reaching the surface of the Earth ?

question_subject: 

Geography

question_exam: 

IAS

stats: 

0,145,93,145,48,17,28

keywords: 

{'outer space': [1, 0, 0, 1], 'particles': [1, 0, 5, 16], 'earth': [0, 1, 1, 1], 'ozone layer': [6, 0, 0, 6], 'magnetic field': [0, 0, 0, 6], 'atmosphere': [1, 1, 4, 7], 'space': [4, 1, 7, 12], 'beings': [1, 0, 0, 1], 'surface': [1, 0, 0, 0]}