I come in different colors and shapes. Some parts of me are curvy, some are straight. You can put me anywhere you like, but there is only one right place for me. What am I?
Stars twinkle because they’re so far away from Earth that when light from the stars passes through the atmosphere, it is bent countless times due to refraction, making it look like as if they were blinking. The sun and other planets doesn’t twinkle because it’s too close to Earth compared to other stars.