USAAAO 2015, I кръг — Задача 26

USAAAO First Round 2015

Условие

On the night of December 23rd-24th 2015, an occultation of a bright star by the moon will be visible from Britain to Japan. Given that the moon is in full phase on December 25th, which star does the moon occult?
a. Aldebaran (RA 4h 37m, Dec 16º 31')
b. Pollux (RA 7h 45m, Dec 28º 2')
c. Regulus (RA 10h 8m, Dec 11º 58')
d. Spica (RA 13h 25m, Dec -11º 14')
e. Antares (RA 16h 29, Dec -26º 26')

Отговори

Решение


Оригинал в Архива: 2015-first-round-exam.pdf · официални решения: 2015-first-round-solutions.pdf