USAAAO 2015, Пробен кръг — Задача 6

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

What object is left at the middle of a planetary nebula, and what is the largest mass at which this object can exist?

a. White dwarf, 1.4 solar masses

b. White dwarf, 3.0 solar masses

c. Neutron star, 1.4 solar masses

d. Neutron star, 3.0 solar masses

e. Solar system, 3.0 solar masses

Отговори

Решение

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