[Completed]/[Completed] Jayden-G31 [Wordly L2] 10. Twinkle, Twinkle, Little Star - Jayden Twinkle, Twinkle, Little Star How far up does the sky go? It seems to go on forever. No one knows where space ends. No one even knows if it has an end. So let us explore a small piece of it, our system of planets. People have always gazed at the night sky. Long ago, they saw the moon and the stars just as we do today. But some people noticed something more. They saw that some stars moved slowly .. 2023. 4. 21. 이전 1 다음
