what is the name of the moon on earth
The name Luna is used in scientific writing
Moon
Occasionally, the name Luna is used in scientific writing and especially in science fiction to distinguish the Earth's moon from others
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Moon [SEP] Name and etymology
The usual English proper name for Earth's natural satellite is simply the Moon, with a capital M. The noun "moon" is derived from Old English "mōna", which (like all its Germanic cognates) stems from Proto-Germanic "*mēnōn", which in turn comes from Proto-Indo-European "*mēnsis" "month" (from earlier "*mēnōt", genitive "*mēneses") which may be related to the verb "measure" (of time). Occasionally, the name Luna is used in scientific writing and especially in science fiction to distinguish the Earth's moon from others, while in poetry "Luna" has been used to denote personification of Earth's moon. Cynthia is another poetic name, though rare, for the Moon personified as a goddess, while Selene (literally "Moon") is the Greek goddess of the Moon.