Multiple Choice
Suppose you see two stars: a blue star and a red star.Which of the following can you conclude about the two stars? Assume that no Doppler shifts are involved.(Hint: Think about the laws of thermal radiation. )
A) The red star is more massive than the blue star.
B) The blue star is more massive than the red star.
C) The blue star is farther away than the red star.
D) The blue star has a hotter surface temperature than the red star.
E) The red star has a hotter surface temperature than the blue star.
Correct Answer:
Verified
Correct Answer:
Verified
Q94: Which forms of light are lower in
Q95: The following questions refer to the diagram
Q96: If you have a 100-watt light bulb,how
Q97: Briefly explain why spectral lines are useful
Q98: You observe a distant galaxy.You find that
Q100: The wavelength of a wave is<br>A)how strong
Q101: How can an electron in an atom
Q102: If we say that a material is
Q103: If one object has a large redshift
Q104: At extremely high temperatures (e.g. ,millions of