Multiple Choice
Which characteristic in extrasolar planets is one for which we look as a likely characteristic of a life-bearing planet?
A) large size (Jupiter-sized)
B) an oxygen-rich atmosphere
C) an orbit around a star much more massive than the Sun
D) a highly eccentric planetary orbit
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Extrasolar planets have NOT been found:<br>A) around
Q2: An asteroid belt has been discovered around
Q4: Calculations suggest that the number of free-floating
Q5: Observers in a distant solar system are
Q6: In searches for planets orbiting stars other
Q7: A particular star shows spectral lines of
Q8: Of the perhaps 200 billion stars estimated
Q9: Comets been discovered around the star Beta
Q10: What was the FIRST direct evidence that
Q11: The atmosphere of the gas-giant planet HD