In August 2011 NASA announced that photographic evidence had been captured of possible liquid water of which planet in our solar system?

Which one of the following is not one of the four major features of the solar system?

a. Planets fall into two major categories (terrestrial and jovian).
b. Large bodies in the solar system have orderly motions.
c. Several exceptions to the general trends stand out.
d. Swarms of asteroids and comets populate the solar system.
e. The solar system contains eight planets plus dwarf planets (such as Ceres, Pluto, and Eris).

How many planets in the solar system?

Which of the following is the origin of almost all the large moons around the jovian planets?

 A) They are captured asteroids.

B) They are captured comets.

C) They are captured planets.

D) They were formed by condensation and accretion in a disk of gas around the planet.

E) They were formed by giant impacts.