Author Question: What do scientists believe created the asteroid belt during Solar System formation? What will be ... (Read 67 times)

piesebel · **on:** Jul 27, 2018

What do scientists believe created the asteroid belt during Solar System formation?

What will be an ideal response?

Question 2

The ground state of hydrogen has two closely-spaced energy levels, where oneelectron is spinning up and the other is spinning down. This energy transition corresponds to releasing excess energy as a photon at what wavelength?

a. 21 centimeters
b. 21 millimeters
c. 21 meters
d. 22.2 centimeters
e. 22.2 millimeters

ryhom · **Reply #1 on:** Jul 27, 2018

Answer to Question 1

A glance at the Solar System suggests that you should expect to find a planet between Mars and Jupiter at the present location of the asteroid belt. Mathematical models indicate that the reason asteroids are there rather than a planet is that Jupiter grew into such a massive body that it was able to gravitationally disturb the motion of nearby planetesimals. The bodies that could have formed a planet between Mars and Jupiter instead collided at high speeds and shattered rather than combining, were thrown into the Sun, or were ejected from the Solar System. The asteroids seen today are the last remains of those rocky planetesimals.

Answer to Question 2

a