X

NMP meaning in Airport Code ?

( 5 )  .  1 Rating
758 views   .  0 comments  .   . 

Download Solution PDF

Answer: What is New Moon mean?

In astronomy, the new moon is the first lunar phase, when the Moon and Sun have the same ecliptic longitude. At this phase, the lunar disk is not visible to the unaided eye, but its presence may be detected because it occults stars behind it.

The original meaning of the term 'new moon', which is still sometimes used in calendrical, non-astronomical contexts, is the first visible crescent of the Moon after conjunction with the Sun. This thin waxing crescent is briefly and faintly visible as the Moon gets lower in the western sky after sunset. The precise time and even the date of the appearance of the new moon by this definition will be influenced by the geographical location of the observer. The first crescent marks the beginning of the month in the Islamic calendar and in some lunisolar calendars such as the Hebrew calendar. In the Chinese calendar, the beginning of the month is marked by the dark moon, the last visible crescent of a waning Moon.

The astronomical new moon, sometimes known as the dark moon to avoid confusion, occurs by definition at the moment of conjunction in ecliptical longitude with the Sun, when the Moon is invisible from the Earth. This moment is unique and does not depend on location, and in certain circumstances it coincides with a solar eclipse.

A lunation, or synodic month, is the time period from one new moon to the next. In the J2000.0 epoch, the average length of a lunation is 29.53059 days (or 29 days, 12 hours, 44 minutes, and 3 seconds). However, the length of any one synodic month can vary from 29.26 to 29.80 days due to the perturbing effects of the Sun's gravity on the Moon's eccentric orbit.

reference

Take Quiz To Earn Credits!

Turn Your Knowledge into Earnings.




Give Rating
Report
Write Your Comments or Explanations to Help Others
Comments(0)





Miscellaneous in Airport Code
Miscellaneous in Airport Code

Ever curious about what that abbreviation stands for? fullforms has got them all listed out for you to explore. Simply,Choose a subject/topic and get started on a self-paced learning journey in a world of fullforms.

Explore Other Libraries

X

Important Airport Code Links





Copyright (c) 2021 TuteeHUB

OPEN APP
Channel Join Group Join