USAAAO 2018, I кръг — Задача 5

USAAAO National Astronomy Olympiad First Round 02/12/2018-02/16/2018 Time Limit: 75 Minutes · 12 февруари 2018 г. · 1 т.

Внимание: Бележка към темата

The solutions document provides answer letters for all 30 problems and brief explanations for some problems.

Условие

From which geographic latitude does the star Antares (α\alpha Scorpio, δ=−26∘19′\delta = -26^{\circ}19') never rise?

A. 26∘19′26^{\circ}19'
B. 63∘41′63^{\circ}41'
C. 56∘19′56^{\circ}19'
D. Never happens
E. 53∘41′53^{\circ}41'

Решение

Оригинал в Архива: usaaao-first-round-exam-2018.pdf · официални решения: usaaao_first_round_2018.pdf