Multiple Choice
A particular star appears approximately equally bright when viewed through a blue filter and through a yellow filter. What is the approximate surface temperature of this star?
A) 6000 K
B) 12,000 K
C) 3000 K
D) It is not possible for a star to be equally bright at two different wavelengths.
Correct Answer:
Verified
Correct Answer:
Verified
Q195: Astronomers originally classified the spectra of stars
Q196: Which important property of stars can be
Q197: Which of these MOST plausibly explains why
Q198: In the spectral classification scheme, what designation
Q199: Which of these statements can be used
Q201: The Sun's luminosity is 3.83 *10<sup>26</sup> watts.
Q202: Which of these sequences of stellar spectral
Q203: What observations of a star are necessary
Q204: What fraction of the stars surrounding the
Q205: Which important stellar parameter can be derived