What is the theory that the universe began from one point and has been expanding ever since?

What is a huge reddish loop of gas that protrudes from the sun and links sunspot regions?

What is a large ball of plasma held together by gravity with a core where nuclear fusion occurs?

What is a huge group of single stars, star systems, star clusters, dust and gas, bound together by gravity?

What is an object whose gravity is so strong that nothing, not even light, can escape.

What is an eruption of gas from the sun's surface?

The wide, outermost layer of the sun's atmosphere that can be seen during a solar eclipse is known as...

The middle, red-orange layer of the sun is known as the...

What is the outermost layer of the sun's interior where hot gas moves up toward the surface and cooler gas moves deeper into the interior.

What is the inner layer of the sun's atmosphere that gives off its visible light?

What are dark areas of gas on the sun's surface that is cooler than surrounding gases?

What is the central region of the sun, where nuclear fusion takes place?