Which of the following statements about the moons of the jovian planets is not true?
A) Some of the moons are big enough that we'd call them planets (or dwarf planets) if they orbited the Sun.
B) One of the moons has a thick atmosphere.
C) Many of the moons are made largely of ices.
D) Most of the moons are large enough to be spherical in shape, but a few have the more potato-like shapes of asteroids.
Question 2
On the main sequence, stars obtain their energy
A) by converting helium to carbon, nitrogen, and oxygen.
B) from nuclear fission.
C) by converting hydrogen to helium.
D) from gravitational contraction.
E) from chemical reactions.
Apparent and True Orbits of Alpha Centauri.
Jupiter and Its Largest Moons
Planets and Their Stars
Saturn’s Diverse Moons
How to convert verbal statements into algebraic equations (Part 3)
Anterosuperior view of true pelvis (blue)