Possible Clues:

• Shooting-star's remote origins
• So less skinny, by the sound of them, as to be out of this world
• Heavenly body's oxygen detected in measuring instrument
• A space-traveller is satisfied with seafood when going up
• Measure gold in rock falling to earth
• What a heavenly body - even if it sounds a bit more overweight!
• Remote type of heavenly body
• Coming from space makes one sound as if having put on weight
• How one encountered the bits of ore from outer space?
• Space traveller revealed by start of oscillation in measuring instrument