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Cosmic Rays: Quiz
Cosmic Rays Quiz
The average age of cosmic rays is:
[A] 100,000 years
[B] Two million years
[C] Ten million years
[D] Five billion years
The most common element in cosmic rays is:
[A] Hydrogen
[B] Helium
[C] Silicon
[D] Iron
The composition of the solar system is determined with:
[A] Spectroscopic observations of the Sun
[B] Solar wind measurements
[C] Meteorites
[D] All of the above
Cosmic rays can produce gamma rays when they interact with:
[A] The galactic magnetic field
[B] The Sun's magnetic field
[C] Stars
[D] Interstellar gas