Author Question: The total amount of power (in watts, for example) that a star radiates into space is called its ... (Read 120 times)

DelorasTo · **on:** Jul 27, 2018

The total amount of power (in watts, for example) that a star radiates into space is called its ________.

A) apparent brightness B) flux
C) absolute magnitude D) luminosity

Question 2

Which of the following statements about the accelerations and gravitational forces between a planet and a star is true?

A) Accelerations and forces are both equal and opposite.
B) Forces are equal and opposite; the star is accelerated more than the planet.
C) Acceleration is equal and opposite; the planet feels more force more than the star.
D) Acceleration is equal and opposite; the star feels more force more than the planet.
E) Forces are equal and opposite; the planet is accelerated more than the star.