A 10 solar mass main sequence star will produce which of the following remnants?
A) black hole B) white dwarf C) neutron star D) none of the above
C
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The force of gravity acting on you will increase if you
A) burrow deep inside Earth. B) stand on a planet with a shrinking radius. C) both of these D) neither of these
This figure summarizes the geological histories of the terrestrial worlds. Based on this figure, what can you conclude?
A) The most important factor in a planet's geological history is its size. B) The most important factor in a planet's geological history is its distance from the Sun. C) We can trace almost all the key properties of a planet's geology back to the number of impacts it suffered during the heavy bombardment. D) Earth is the only planet in the inner solar system capable of harboring life.
A spaceship leaves Earth and maintains a constant force by means of a nuclear engine. As the speed of the spaceship increases, an observer on Earth finds that relative to her the magnitude of the spaceship's acceleration is
a. 0. b. decreasing. c. constant. d. increasing. e. proportional to the kinetic energy of the spaceship.
The light radiated from the Sun's surface reaches Earth in about 8 minutes. However, the energy of this light was released by fusion in the Sun's core about
A) 8 minutes ago. B) several thousand years ago. C) 11 years ago. D) several hundred years ago. E) several hundred thousand years ago.