Related Questions
Q34: What types of observations are necessary to
Q35: How can the color index give the
Q36: A star's motion towards or away from
Q37: A nearby star has a parallax of
Q38: For a star of 10 solar masses,
Q40: Eclipsing binaries are the most useful, giving
Q41: What role does hydrogen play in spectral
Q42: A star of the Sun's diameter, but
Q43: Upon what data do measurements of sizes
Q44: If a star is found by spectroscopic