USAAAO 2022, I кръг — Задача 28

USAAAO 2022 - First Round · 5 февруари 2022 г.

Условие

Dubhe (declination $\delta = 61.75\,{}^{\circ}$) is a star in the constellation of Ursa Major. Is it circumpolar from the city of San Francisco (latitude $\lambda = 37.7\,{}^{\circ}$ N)? How about from the city of Miami (latitude $\lambda = 25.8\,{}^{\circ}$ N)?

(a) Yes, Yes

(b) Yes, No

(c) No, Yes

(d) No, No

(e) Need more information

Отговори

Решение

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Оригинал в Архива: usaaao_first_exam_2022_problems.pdf · официални решения: usaaao_first_exam_2022_solutions-1.pdf