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 point, then expanded …

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

Sep 25, 2025 · This led to the “Big Bang” theory, which says that the universe began with an intense burst of energy and has been expanding ever since. Edwin Hubble seated at the 100-inch reflecting …

Sep 25, 2025 · Tectonics: Big movements of Earth’s crust. Tectonics creates mountain ranges, deep sea trenches, volcanoes, and earthquakes that can cause destructive tsunami waves that can cross …

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 and short videos.

Sep 25, 2025 · This happens when a star at least five times the mass of our sun goes out with a fantastic bang! Massive stars burn huge amounts of nuclear fuel at their cores, or centers.

Sep 9, 2025 · Here are some fun facts about the James Webb Space Telescope: It is very, very big. The Webb telescope is as tall as a 3-story building and as long as a tennis court! It is so big that it has to …

Sep 25, 2025 · It will allow scientists to look at what our universe was like about 200 million years after the Big Bang. This image of the Crab Nebula was created with information from the Hubble Space …

Sep 25, 2025 · The first detection of gravitational waves was a very important event in science. Before this, just about everything we knew about the universe came from studying waves of light.