USAAAO 2015, I кръг — Задача 29

USAAAO First Round 2015

Условие

40 light years away, an exoplanet orbits a star of 5 solar masses every 14 years. Assuming this system has an inclination of 90˚ as viewed from Earth, what is the projected diameter of the exoplanet's orbit as viewed from Earth?
a. 0.3"
b. 0.8"
c. 1.6"
d. 2.5"
e. 1.2"

Отговори

Решение

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