Geography · Solar System and Celestial Bodies

Consider the following statements about celestial bodies. Which of them are correct? (a) We do not feel the intense heat and light of countless twinkling stars in the night sky because they are extremely far away from us. (b) The Ursa Major constellation contains a group of seven prominent stars widely known as the Saptarishi. (c) The Pole Star constantly changes its position in the sky over the course of a night. (d) The Moon appears at different times, in different shapes, and at different positions. Choose the correct option: