Which of the following correctly describes the concept of galactic recycling?
A) New stars are continuously being formed in the Milky Way out of gas that has been ejected from a previous generation of stars.
B) In the formation of a star, no matter is wasted as all excess material ends up recycled into planets.
C) Stars near the center of the Milky Way are continually recycled to the outskirts of the disk by their orbital motion.
D) Life is continuously being spread from star to star in the Milky Way.
E) New galaxies are continuously being formed out of gas ejected from a previous generation of galaxies.
Question 2
If your mass is 60 kg on Earth, what would your mass be on the Moon?
A) 10 lb B) 50 kg C) 10 kg D) 60 lb E) 60 kg
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