Multiple Choice
A planet is discovered at a distance of 1 AU from its parent star with a period of 2 years. How does the star's mass compare to our Sun's?
A) The star has the same mass as the Sun.
B) The star's mass is around 2 times smaller than the Sun's.
C) The star's mass is around 2 times larger than the Sun's.
D) The star's mass is around 4 times smaller than the Sun's.
E) The star's mass is around 4 times larger than the Sun's.
Correct Answer:
Verified
Correct Answer:
Verified
Q26: If the force of gravity exerted on
Q27: What is the average orbital speed of
Q28: The gravitational force exerted by the Sun
Q29: Mars completes one orbit around the Sun
Q30: Suppose that a planet was discovered that
Q32: How are mass and weight different?<br>A) There
Q33: A weather satellite moves at a constant
Q34: A 200-kg spacecraft is launched to the
Q35: An astronaut in orbit around Earth drops
Q36: How can we tell that the Moon