Stars 101 National Geographic

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, ... The sun keeps the planets in its orbit with a tremendous gravitational force. What would happen if it disappeared entirely? Learn ... 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 ... What is the moon made of, and how did it form? Learn about the moon's violent origins, how its phases shaped the earliest ...

Named after the ancient Roman goddess of beauty, Venus is known for its exceptional brightness. Find out about the volcanoes ... Meteor showers bring interplanetary debris, ranging from pebbles to boulders, into Earth's atmosphere. Find out how these ... Of all the great unknowns in outer space, the dark universe might just be the most mysterious. Learn the basics of dark energy and ... It contains 99.9 percent of all the matter in our solar system and sheds hot plasma at nearly a million miles an hour. How old is the universe, and how did it begin? Throughout history, countless myths and scientific theories have tried to explain the ... Neptune is the most distant of the solar system's eight planets. Find out about the blue world's orbit, which of Neptune's moons is ...

Of the many ways Earth is polluted, light pollution may be the least talked about. It's not an illusion; astronomers measure it from ... Ever wanted to journey into space? Wondered about the Milky Way or if aliens really exist? Then get Spaced Out! Learn about our ...