noun বলন; অক্ষবিচলন; মাথা নাড়ানো; ঘাড় নাড়া;
nutation definition
Nutation is the periodic swaying of Earth’s rotational axis due to the gravitational pull of the Moon and Sun.
nutation শব্দটির synonyms বা প্রতিশব্দ
nutation Example in a sentence
The Earth’s axis of rotation undergoes a slow, periodic oscillation known as nutation.
This nutation causes slight variations in the position of the celestial poles and the equator.
The main cause of nutation is the gravitational pull of the Moon and the Sun on Earth’s equatorial bulge.
The period of nutation is approximately 18.6 years, with the axis of rotation describing an elliptical path in the sky.
Nutation affects the accuracy of astronomical observations, requiring corrections to be applied to celestial coordinates.
The discovery of nutation in the 18th century significantly improved the precision of astronomical measurements.
Nutation is also observed in the motion of other planets within our solar system, such as Mars and Jupiter.
Understanding nutation is essential for precise celestial navigation and spacecraft trajectory calculations.
Modern astronomical telescopes and instruments incorporate corrections for nutation to ensure accurate data collection.
Nutation provides valuable insights into the dynamics and gravitational interactions of celestial bodies.