The universe is truly the last unknown frontier and offers more questions than answers. Why do stars twinkle? Is it possible to fall into a black hole? Will the sun ever stop shining? Since humans first glimpsed the vastness of the night sky, they have been fascinated with the celestial world of planets and stars. Astronomy: Exploring the Universe will introduce you to the engaging world of astronomy and illuminate not only its history and evolution but also the basic scientific laws of motion and gravity that have guided astronomers in making incredible discoveries of the universe. Using online tools, you will examine various topics, including the solar system, the Milky Way, space exploration, and the role of galaxies.