What Is the Big Bang? | NASA Space Place – NASA Science for Kids
Apr 16, 2025 · 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 and stretched to grow as large as it is right now—and it is still stretching!
What Is the Big Bang? | NASA Space Place – NASA Science for Kids
Apr 16, 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 estiró para crecer tanto como lo es ahora, ¡y todavía se está extendiendo!
Big Bang | NASA Space Place – NASA Science for Kids
Apr 16, 2025 · Big Bang. All About the Sun. The light of daytime comes from our closest star: the Sun. Learn more about it! explore; Make Stretchy Universe Slime! Make the universe stretch and expand! do; What Is the Big Bang? Why do we call it that? ...
Big Bang | NASA Space Place – NASA Science for Kids
Apr 7, 2025 · NASA science games, articles and activities for kids
The Amazing Hubble Telescope - NASA Space Place
Apr 16, 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 telescope at the Mount Wilson Observatory in California.
What Is Dark Matter? | NASA Space Place – NASA Science for Kids
Apr 16, 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. Gravity, the force that pulls you to the Earth and attracts all matter together, began to …
Universe | NASA Space Place – NASA Science for Kids
Apr 16, 2025 · What Is the Big Bang? Why do we call it that? explore; Where Does Interstellar Space Begin? Interstellar space begins where the sun’s magnetic field stops affecting its surroundings. explore; What Is a Satellite Galaxy? What are they and what will become of them? explore; Build your own spacecraft! Become a NASA engineer! do; A Planet Without ...
How Old Are Galaxies? | NASA Space Place – NASA Science for Kids
Jan 24, 2019 · The Milky Way is an ancient galaxy that was born only a few hundred million years after the Big Bang. Credit: NASA/JPL Most galaxies are between 10 billion and 13.6 billion years old.
Explore the Electromagnetic Spectrum - NASA Space Place
Apr 16, 2025 · It is the "noise" left from shortly after the Big Bang that began the universe billions of years ago. The different colors represent very tiny differences in energy that eventually resulted in matter clumping together into galaxies and even bigger structures throughout the universe.
What Is the James Webb Space Telescope? - NASA Space Place
Apr 16, 2025 · The James Webb Space Telescope is the largest, most powerful space telescope ever built. It will allow scientists to look at what our universe was like about 200 million years after the Big Bang. The telescope will be able to capture …