What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Perigee vs Moon - What's the difference?

perigee | moon |

As a noun perigee

is perigee (point in the orbit of any object).

As a proper noun moon is

the earth's moon; the sole natural satellite of the earth, represented in astronomy and astrology by.

perigee

English

Noun

(en noun)
  • (astronomy) The point, in an orbit about the Earth, that is closest to the Earth: the periapsis of an Earth orbiter.
  • * '>citation
  • (astronomy, more generally) The point, in an orbit about any planet, that is closest to the planet: the periapsis of any satellite.
  • * 1995 , John H. Rogers, The Giant Planet Jupiter , Cambridge University Press, ISBN 978-0-521-41008-3, page 335:
  • Conjunctions of I and II [Io and Europa] occur when they are near perigee' and apogee respectively; conjunctions of II and III [Europa and Ganymede] occur when II [Europa] is near ' perigee .
  • * 2002 , Serge Brunier, Solar System Voyage , Cambridge University Press, ISBN 978-0-521-80724-1, page 36:
  • The resolution of the images obtained by this American probe [Messenger] will depend on its altitude [above Mercury] at any one time: about ten meters at perigee (200km altitude), but only one 1 km at apogee (15000km).
  • * 2010 , Ruth Walker and Mary M. Shaffrey et al., Exploring Space: The High Frontier , Jones & Bartlett Learning, ISBN 978-0-7637-8961-9, page 129:
  • [Nereid’s] apogee—farthest point from Neptune—is five times the distance of its perigee —its closest point.
  • (possibly, archaic, outside, astrology) The point, in any trajectory of an object in space, where it is closest to the Earth.
  • Derived terms

    * perigee moon

    Antonyms

    * apogee

    See also

    * periapsis, periastron, perihelion

    moon

    English

    Noun

    (en noun)
  • The largest satellite of Earth.
  • Any natural satellite of a planet.
  • (literary) A month, particularly a lunar month.
  • * {{quote-book
  • , year=1737 , author=John Brickell , title=The natural history of North-Carolina , page=308-309 , passage=The number their age by Moons' or Winters, and say a Woman or a Man is so many '''Moons''' old, and so they do with all memorable Actions in life, accounting it to be so many '''Moons or Winters since such or such a thing happened. ''Note: in earlier modern English, many nouns were capitalized, similar to present day German. }}
  • * {{quote-book
  • , year=1822 , author=Thomas Love Peacock , title=Maid Marian , page=238 , passage=Many moons had waxed and waned when on the afternoon of a lovely summer day a lusty broad-boned knight was riding through the forest of Sherwood.}}
    (Shakespeare)
  • A crescent-like outwork in a fortification.
  • Synonyms

    * (sense, Earth's largest natural satellite) Moon * (natural satellite of a planet) satellite, natural satellite * (month) calendar month, lunar month, month * See also

    Derived terms

    * blood moon * blue moon * crescent moon * full moon * half-moon, half moon * harvest moon * howl at the moon * hung the moon * hunter's moon * man in the moon * moon bear * moon-blind * moon cake * mooncalf * moon-face * moonfish * moonflower * moon guitar * mooning * moonish * moonlight * moonlit * moonly * moon pool * moonraker * moonsail * moonwalk * moonwort * moon zither * new moon * old moon * once in a blue moon * over the moon * phase of the moon * smuggler's moon * thumbnail moon * waning moon * waxing moon

    Verb

    (en verb)
  • (colloquial) To display one's buttocks to, typically as a jest, insult, or protest
  • (colloquial) (usually followed by'' over''' ''or'' ' after ) To fuss over something adoringly; to be infatuated with someone.
  • Sarah mooned over Sam's photograph for months.
    You've been mooning after her forever, why not just ask her out?
  • To spend time idly, absent-mindedly.
  • * 1898 , Joseph Conrad,
  • We were only three on board. The poor old skipper mooned in the cabin.
  • To expose to the rays of the Moon.
  • * Holland
  • If they have it to be exceeding white indeed, they seethe it yet once more, after it hath been thus sunned and mooned .

    See also

    * lunar * Moonie * Selene

    Anagrams

    * {l, en, mono}} 1000 English basic words ----