Question:

Study of Moon

ANephrology

BOrnithology

COrology

DSelenology

Answer:

D. Selenology

Explanation:

  • The moon is Earth's only natural satellite.
  • It orbits at an average distance of 384400 Km about 30 times Earths diameter.
  • The moon always presents the same side to earth,because gravitational pull has locked its rotation to the planet.
  • This results in the lunar day of 29.5  Earths days matching the lunar month.
  • The moon s gravitational pull and to lesser extent the sun s are the main drivers of the tides.

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