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geocentric parallax

 

Definitions from WordNet

Noun geocentric parallax has 1 sense
  1. geocentric parallax, diurnal parallax - the parallax of a celestial body using two points on the surface of the earth as the earth rotates
    --1 is a kind of parallax
    --1 has particulars: horizontal parallax; solar parallax

Definitions from the Web

Geocentric Parallax

Geocentric parallax refers to the apparent shift in the position of a celestial object, such as a star or planet, as observed from different locations on Earth. It occurs due to the change in the observer's perspective caused by the Earth's movement around the Sun.

Example sentences:

  1. The geocentric parallax of a star can be used to calculate its distance from Earth.
  2. Astronomers must account for the geocentric parallax when determining the exact position of celestial objects.
  3. The geocentric parallax of Mars is more pronounced due to its closer proximity to Earth during its opposition.

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