Its shape appears to become longer. Its position appears to shift relative to the horizon. Its brightest stars begin to appear orange. Its distance to the North Star decreases.
I gave my students this multiple choice question: How does the appearance of a constellation change during the night?

Only one answer is correct among these 4 choices:
- Its shape appears to become longer.
- Its position appears to shift relative to the horizon.
- Its brightest stars begin to appear orange.
- Its distance to the North Star decreases.

Could you tell me which one is correct?

Its position appears to shift relative to the horizon.