Which of the following is thought to explain many of the “exceptions to the rules” of our solar system?
a. the heavy bombardment
b. giant impacts
c. the frost line
d. conservation of angular momentum
e. the solar nebula
Ans: b. giant impacts
You might also like to view...
The energy dissipated in a light bulb in a circuit is provided by the
A) lamp filament itself. B) wires leading to the lamp. C) voltage source. D) none of the above
Which two circuits are exactly equivalent?
A. A and B B. B and C C. C and D D. D and E E. B and E
Electrical and gravitational forces follow similar equations with one main difference:
A) Electrical forces obey the inverse square law and gravitational forces do not. B) Gravitational forces obey the inverse square law and electrical forces do not. C) Electrical forces attract and gravitational forces repel. D) Electrical forces repel and gravitational forces attract. E) Gravitational forces are always attractive but electrical forces can be attractive or repulsive.
Molecular lines, such as TiO, are only found in very hot stars
Indicate whether the statement is true or false