Geography · Celestial Bodies

Given statements are about various celestial bodies in the sky. Which of the statements are correct? A. We do not feel the heat and light of countless twinkling stars in the night sky as they are very far away from us. B. The Ursa Major Constellation includes a group of seven stars also called Saptarishi. C. The Pole Star keeps changing its position in the sky. D. The Moon appears at different times, in different shapes, and at different positions. Choose the correct option.