Astronomy 101 From The Sun And Moon To Wormholes And Warp Drive Key Theories Discoveries And Facts About The Universe Adams 101 - tabigaileikk.ml

an introduction to basic astronomy concepts with space - this is a very brief explanation of the physical facts that we know today about a galaxy and the objects found in it it also touches on some of the visual effects you can see such as the phases of the moon and inner plants