What is the primary reason we divide the ingredients of the solar nebula into four categories (hydrogen/helium gas; hydrogen compound; rock; metal)?
a. The amount of energy required to ionize these materials varies considerably.
b. The temperature at which these materials condense into a solid varies considerably.
c. The atomic mass number of these materials differs considerably.
d. The abundance of these materials depended on their location in the solar nebula.
Answer: b. The temperature at which these materials condense into a solid varies considerably.
You might also like to view...
X-rays easily penetrate Earth's atmosphere and reach the ground from space
Indicate whether the statement is true or false
Suppose a car has a 100 000-mile 10-year warranty on its wheels and axles. How may turns will the wheels of 0.70-m diameter make if both the mileage and time warranties run out simultaneously and what will be the average angular velocities of the wheel? Assume that a mile = 1.6 × 10^3 m and that a year is 3.16 × 10^7 s
a. 7.3E+7, 14 rad/s b. 2.3E+8, 1.4 rad/s c. 3.5E+8, 1.4 rad/s d. 7.3E+7, 1.4 rad/s e. 2.3E+8, 14 rad/s
The atom arrangement in liquid copper is ______________, with no long-range order.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not used as a distance indicator for galaxies?
a. Large globular clusters b. Herbig-Haro objects c. H II regions d. Cepheid variable stars e. Supernovae