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1. spaceplace.nasa.gov › big-bang › enWhat Is the Big Bang? | NASA Space Place – NASA Science for Kids

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   6 days ago · 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 and stretched to grow as large as it is right now—and it is still stretching!

2. spaceplace.nasa.gov › menu › big-bangBig Bang | NASA Space Place – NASA Science for Kids

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   6 days ago · Big Bang. Make Stretchy Universe Slime! Make the universe stretch and expand! do. What Is the Big Bang? Why do we call it that? explore.

3. spaceplace.nasa.gov › menu › kidsBig Bang | NASA Space Place – NASA Science for Kids

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   6 days ago · 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? ...

4. spaceplace.nasa.gov › menu › big-bangBig Bang | NASA Space Place – NASA Science for Kids

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   Sep 27, 2024 · Contact NASA Space Place Last Updated: September 17th, 2024. NASA science games, articles and activities for kids.

5. spaceplace.nasa.gov › dark-matter › enWhat Is Dark Matter? | NASA Space Place – NASA Science for Kids

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   6 days ago · 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 pull these particles toward each other.

6. spaceplace.nasa.gov › james-webb-space-telescope › enWhat Is the James Webb Space Telescope? - NASA Space Place

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   6 days ago · 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 images of some of the first galaxies ever formed.

7. spaceplace.nasa.gov › solar-system-formation › enHow Did the Solar System Form? - NASA Space Place

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   6 days ago · Our story starts about 4.6 billion years ago, with a wispy cloud of stellar dust. This cloud was part of a bigger cloud called a nebula. At some point, the cloud collapsed—possibly because the shockwave of a nearby exploding star caused it to compress.

8. spaceplace.nasa.gov › hubble › enThe Amazing Hubble Telescope - NASA Space Place

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   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.

9. spaceplace.nasa.gov › menu › spaceUniverse | NASA Space Place – NASA Science for Kids

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   Sep 27, 2024 · 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 ...

10. spaceplace.nasa.gov › gravitational-waves › enWhat Is a Gravitational Wave? - NASA Space Place

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    6 days ago · Gravitational waves travel at the speed of light (186,000 miles per second). These waves squeeze and stretch anything in their path as they pass by. A gravitational wave is an invisible (yet incredibly fast) ripple in space. We’ve known about gravitational waves for a long time.