9. Topic 9(COLON) Astrophysics and Cosmology
Lesson 9.1: Stars, Stellar Spectra And The H-r Diagram — Quiz
Test your understanding of lesson 9.1: stars, stellar spectra and the h-r diagram with 5 practice questions.
Practice Questions
Question 1
What is the distance of one astronomical unit (AU) in terms of kilometers?
Question 2
According to Wien's law, what is the relationship between the temperature of a black-body and the peak wavelength of its emitted radiation?
Question 3
What is the primary method used to measure the distance to nearby stars?
Question 4
In the Hertzsprung–Russell diagram, which axis typically represents the stellar luminosity?
Question 5
What factor primarily determines a star's classification in the spectral classification system?