USAAAO 2015, I кръг — Задача 30
USAAAO First Round 2015
Условие
A planet orbits a star with a projected semimajor axis of 0.24". What is the necessary aperture size of a telescope than can resolve this orbit using 1000 nm light?
a. 0.13 m
b. 0.52 m
c. 1.05 m
d. 3.10 m
e. 2.04 m
Отговори
- b
Решение
Answer: b
Оригинал в Архива: 2015-first-round-exam.pdf · официални решения: 2015-first-round-solutions.pdf