Multiple Choice
What are the two primary methods by which planets have been found around other stars in our galaxy? I) Direct images in visible and infrared light
II) Indirectly by detecting the motion of the host star
III) Indirectly by measuring the drop in brightness of the host star when the planet crosses our line of sight
A) I and II
B) II and III
C) I and III
Correct Answer:
Verified
Correct Answer:
Verified
Q1: A star is seen to have two
Q2: What could happen in planetary systems where
Q3: In the searches so far, only about
Q5: A star with planets orbiting in a
Q6: Consider two main sequence K- stars of
Q7: According to Kepler results in mid- 2013,
Q9: The depth of the dip in a
Q10: Which two quantities need to be measured
Q11: How can astronomers measure the period of
Q74: A planet's size can be determined by