Why is Jupiter the largest planet in the solar system?
A) Because that's just the way it happened.
B) Being the oldest planetary core, it had more time than the other planets to accumulate enough gas around itself before solar winds blew interplanetary dust away.
C) Due to a massive collision with another protoplanet.
D) Because of its distance from the Sun, the gravitational attraction between it and the Sun is perfectly balanced so as to create a density that results in the largest size of any planet.
Answer: B
You might also like to view...
In a reflecting telescope the objective is a ____
a. prism b. mirror c. lens d. diffraction grating e. photographic plate
Assuming that xenon (atomic number 54) and krypton (atomic number 36) have the same temperature and pressure, in which gaseous medium does sound travel faster?
A) Xenon B) Krypton C) a mixture of both D) the same in both
A charge has an initial velocity parallel to the y-axis in E and B fields. Both fields point along the x axis. Which of the following statements regarding the charge's motion are correct?
A proton moving at a speed of 3.8 × 10^6 m/s cuts across the lines of a magnetic field at an angle of 40°. The strength of the field is 0.25 × 10^-4 T. What is the magnitude of the force acting on the proton? (qp = 1.6 × 10^-19 C)
a. 1.4 × 10^-17 N c. 9.8 × 10^-18 N b. 2.3 × 10^-17 N d. 5.1 × 10^-18 N