IAO 1998, Теория, 16–18 години — Задача 3
III International Astronomy Olympiad
Условие
It is known that the precession is a slow ( per year) retrograde motion of the vernal equinox points. Which of the celestial circles do these points move along – the equator or the ecliptic?
Решение
Along ecliptic one.
Оригинал в Архива: en1.jpg · официални решения: theosol.jpg