Sep 25, 2025 · What Is the Big Bang? The Short Answer: The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single …

Sep 25, 2025 · NASA science games, articles and activities for kids

Sep 25, 2025 · His work helped show that the universe is expanding. This led to the “Big Bang” theory, which says that the universe began with an intense burst of energy and has been …

Sep 25, 2025 · El Big Bang es cómo los astrónomos explican la forma en que comenzó el universo. Es la idea de que el universo comenzó como un solo punto, luego se expandió y se …

Sep 25, 2025 · Answer your questions: What is the Big Bang? What is a black hole? What is a planet? What is gravity?

Sep 25, 2025 · For the first 150 million years after the Big Bang, there were no galaxies or stars or planets. The universe was just a soup of tiny, tiny things called particles.

Sep 25, 2025 · NASA’s award-winning Space Place website engages upper-elementary-aged children in space and Earth science through interactive games, hands-on activities, fun articles …

Sep 25, 2025 · The James Webb Space Telescope will use its infrared cameras to see through dust in our universe. Stars and planets form inside those dust clouds, so peeking inside could …

Sep 25, 2025 · Our universe is about 13.8 billion years old, so most galaxies formed when the universe was quite young! Astronomers believe that our own Milky Way galaxy is …

Jun 27, 2019 · But solar systems can have more than one sun. In fact, that's often the case. More than half of all stars are in multiple star systems. That means the solar system has two or …