Multiple Choice
The star Alderamin has an apparent magnitude of 2.4 and an absolute magnitude of 1.4. From this information (assuming that the starlight has not been dimmed by interstellar clouds) , one can say for sure that Alderamin is _____.
A) less than 10 pc away
B) brightest in blue light
C) brightest in red light
D) more than 10 pc away
Correct Answer:
Verified
Correct Answer:
Verified
Q1: How many stars of sixth-magnitude would it
Q2: A star with a surface temperature of
Q3: What is parallax?<br>A) distance to an object,
Q4: How far out into space can distances
Q5: A particular star has an absolute magnitude
Q7: The semimajor axis of Pluto's orbit is
Q8: Stellar parallax is the<br>A) inferred change in
Q9: See Figure 12-10 in the text.
Q10: The MOST straightforward way to determine the
Q11: Which of these major perturbations can occur