Multiple Choice
Comets been discovered around the star Beta Pictoris.How was this belt discovered?
A) The comets were imaged directly by the Hubble Space Telescope when they are close to the star and glowing brightly.
B) Comets travel far from the star, enough so that they can be imaged outside its glare.
C) The comets emit gas when they pass close to the star.
D) The gravitational effects of the comets cause the star to wobble slightly in its proper motion.
Correct Answer:
Verified
Correct Answer:
Verified
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