The name israel means:

  E - EXTERMINABLE
  L - LINY
  A - ANTIPERSPIRANT
  N - NINETEEN

Elan means:
Shining light

  T - THEROPODS
  E - EVOLUTION
  R - RAJASAURUS
  R - RHOETOSAURUS
  Y - YUTYRANNUS?

terry means:
Abbreviation of Terrance and Terrell. Terry is also an Anglicized phonetic form of the French given name Thierry from an older Germanic name meaning powerful: ruler of the people.

  M - MINOR PLANET
  O - OBSERVATORY
  O - OUTER PLANETS
  N - NASA

MOON means:
Letters