6. How many kilometers is the real distance of planet Earth from the sun?
A. 12,742 B. 0.02746
C.149,570,000 D. 0.322
7. Which planet has the biggest real diameter?
A. Jupiter B. Saturn
C. Earth
D. Uranus
8.Which planet has the smallest real diameter?
A. Neptune B. Mars
C. Mercury D. Venus
9. Which planet has the shortest light travel time?
A. Neptune B. Mars
C. Mercury D. Venus
10.How many millimeters is the scaled diameter of Neptune?
A. 45,432 B. 0.09792
C. 4,499,900,000 D. 9.699​