parallactic inequality
1parallactic equation — noun : a minor inequality of the moon s orbital motion caused by the difference between the sun s perturbing action on the moon when at new and full and used in finding the sun s parallax …
2parallax — parallactic /par euh lak tik/, adj. parallactically, adv. /par euh laks /, n. 1. the apparent displacement of an observed object due to a change in the position of the observer. 2. Astron. the apparent angular displacement of a celestial body due …
3Edmund Neville Nevill — Edmund Neison FRS (27 August 1849 1940), whose real name was Edmund Neville Nevill, wrote a key text in selenography called The Moon and the condition and configuration of its surface and later set up an observatory in Durban, Natal Province. He… …
