The age of the solar system is:

(A) 4.5 billion years
(B) 5.5 billion years
(C) 6.5 billion years
(D) 7.5 billion years

Q. The solar system is located in the Orion Arm, _______ light years from the center of Milky way galaxy.
(A) 16,000
(B) 26,000
(C) 36,000
(D) 46,000

Q. The two large planets Jupiter and Saturn are gas giants, being composed mainly of Hydrogen and:
(A) Carbon dioxide
(B) Nitrogen
(C) Helium
(D) None of these

Answers:
1. (A) 4.5 billion years
2. (B) 26,000
3. (C) Helium