USAAAO 2015, Пробен кръг — Задача 20

USAAAO Practice Round 2015

Бележка

This round consists of 20 multiple-choice problems to be completed in 50 minutes. You may only use a scientific calculator and a table of constants during the test.

Условие

Jupiter has a mass of $1.9 \times 10^{27}$ kg and a semimajor axis of 5.2 AU. Assume someone "out there" can resolve star positions to 10 microarcseconds. What is the maximum distance from the Sun at which the planet Jupiter could be discovered by observing the wobble of the Sun?

a. 5 pc

b. 15 pc

c. 50 pc

d. 150 pc

e. 500 pc

Отговори

Решение

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