Which are the two planets without a moon?
a. Mercury and Venus
b. Venus and Mars
c. Mars and Uranus
d. Uranus and Neptune
Ans: a. Mercury and Venus
Physics & Space Science
You might also like to view...
Which three played a role in the finding of Neptune?
A) Herschel, Hubble, and Einstein B) Adams, Leverrier, and Galle C) Shapley, Hubble, and Whipple D) Bode, Herschel, and Fraunhofer E) Newton, Einstein, and Tombaugh
Physics & Space Science
The symbol for copper is
a. C. b. Co. c. Cr. d. Cu.
Physics & Space Science
With each pass of a comet about the Sun, its masss
A) is appreciably reduced. B) remains virtually unchanged. C) actually increases.
Physics & Space Science