Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy?
AEarth
BMoon
CSaturn
DVenus
Correct answer
B. Moon
Explanation
The Moon has been bombarded with large quantities of Helium-3 by the solar wind. It is thought that this isotope could provide safer nuclear energy in a fusion reactor, since it is not radioactive and would not produce dangerous waste products.