USAAAO 2018, I кръг — Задача 22
USAAAO National Astronomy Olympiad First Round 02/12/2018-02/16/2018 Time Limit: 75 Minutes · 12 февруари 2018 г. · 1 т.
Внимание: Бележка към темата
The solutions document provides answer letters for all 30 problems and brief explanations for some problems.
Условие
Which of the following is not a method used to detect exoplanets?
A. Radial Velocity
B. Transits
C. Microlensing
D. Gravitational Waves
E. Direct Imaging
Решение
Answer: D
Gravitational waves are emitted by compact objects orbiting one another, for instance black hole or neutron star binaries, not planets.
Оригинал в Архива: usaaao-first-round-exam-2018.pdf · официални решения: usaaao_first_round_2018.pdf