Question 28
A galaxy is a group of stars and other space objects. The stars tend to spin around a center of high gravity in the same way the planets spin around the Sun in the Solar System. The galaxy where we live in is called Milky Way. I. The planets (e.g. Mars, Earth, Jupiter) II. Europa, Ganymede, and Calisto III. Nemic and Pruto Which of the following is part of our Milky Way?
A. I only
B. II only
C. I and II only
D. I, II, and III
Editorial response: Explain the scientific reasoning and the unresolved limitation of the source choices.
A. I only
B. II only
C. I and II only
D. I, II, and III
Editorial response: Explain the scientific reasoning and the unresolved limitation of the source choices.