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Sun: The Center of It All
Image: NASA

Sun: The Center of It All

Sure, the Sun is one of billions of stars in the universe...but it's the ONLY one that makes life on Earth possible.

Take a closer look at this ball of gas held together by its own gravity — so huge a million Earths could fit inside it, and so hot that temperatures at it core are more than 27 million degrees Fahrenheit.

National Geographic
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Play Solar Tricktionary!

Play Solar Tricktionary!

Can you pick the correct definition from a batch of crazy ones in this quiz game? Hint: A solar wind is NOT what happens when the Sun eats too many beans! More...

Game
NASA
Sun vs. Atomic Bomb

Sun vs. Atomic Bomb

At its core, the Sun behaves much like an exploding thermonuclear bomb, only a very, very, very large one. More...

Video
SciShow
Sun and Space Weather Memory Game

Sun and Space Weather Memory Game

See if you can match the pairs of sunspots, auroras, coronal mass ejections, and more in this online version of "concentration." More...

Game
UCAR
Why Does the Sun Really Shine?

Why Does the Sun Really Shine?

They Might Be Giants answer that very question in this music video. Hint: Not gas, liquid, or solid...the Sun is a miasma of incandescent plasma. More...

Video
They Might Be Giants
10 Need-to-Know Things About the Sun

10 Need-to-Know Things About the Sun

It's not just its position at the center of our solar system that makes the Sun so substantial — this star makes up 99.8 percent of the entire solar system's mass. Find out more. More...

Article
NASA
Space School: The Sun

Space School: The Sun

How can a single solar body give off so much light and heat? Albert Einstein and his most famous equation (E=mc2) deciphered how the Sun works. More...

Video
Science Channel
A Guide to the Energy of the Earth

A Guide to the Energy of the Earth

Examine the many ways energy cycles through our planet and its systems — from the Sun to our food chain to electricity and beyond. More...

Video
TED-Ed/Joshua M. Sneideman
Anatomy of the Sun

Anatomy of the Sun

Explore the six layers of the Sun: the visible surface (photosphere), the three layers beneath it (convective zone, radiative zone, core), and the two layers above it (chromosphere, corona). More...

Video
NOVA/PBS
PacSci-Doku: Solar Heat

PacSci-Doku: Solar Heat

How can the Sun's 6,000° surface heat its atmosphere to 2 million degrees? Astronomers think they now know the answer. Solve this Sudoku-inspired puzzle to find out what it is. More...

Game
Pacific Science Center
Spectroscopy of Stars

Spectroscopy of Stars

How can astronomers know what the Sun or any other star is made of? In fact, it isn't hard to find out. More...

Video
BBC
Through the Eyes of Scientists: Meet Phillip Chamberlin

Through the Eyes of Scientists: Meet Phillip Chamberlin

Phillip Chamberlin builds rockets that are launched into space and help study the Sun. Find out how he became a space scientist...and how you can, too. More...

Profile
NASA
Using the SOHO Satellite to Determine the Rotation of the Sun

Using the SOHO Satellite to Determine the Rotation of the Sun

Use images from the Solar and Heliospheric Observatory Satellite (SOHO) to determine how fast the sun rotates with this hands-on project. More...

Activity
Science Buddies
What’s the Sun’s Mood Today?

What’s the Sun’s Mood Today?

Think the weather is bad where you live? It's probably better than on the Sun, which has the worst weather in our solar system. More...

Article
NASA

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