Stars 101 National Geographic

Summary

At the center of our galaxy, a supermassive black hole churns. Learn about the types of black holes, how they form, and how ... How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system's genesis, ... Innumerables estrellas salpican el cielo nocturno. Descubre cómo se forman estos objetos celestes, cómo se clasifican según ... About 30 meteor showers can be seen from Earth throughout the year. Learn the science behind meteor showers, the dates when ... The sun keeps the planets in its orbit with a tremendous gravitational force. What would happen if it disappeared entirely? Learn ... What is the moon made of, and how did it form? Learn about the moon's violent origins, how its phases shaped the earliest ... Of the many ways Earth is polluted, light pollution may be the least talked about. It's not an illusion; astronomers measure it from ... It contains 99.9 percent of all the matter in our solar system and sheds hot plasma at nearly a million miles an hour. There's wonder all around us and even above us! Let's learn about the constellations of Earth is the only planet known to maintain life. Find out the origins of our home planet and some of the key ingredients that help ... How old is the universe, and how did it begin? Throughout history, countless myths and scientific theories have tried to explain the ... Exoplanets challenge the notion that we are alone in the universe. Learn what types of exoplanets exist, the methods scientists ...