Features

What element is the Sun mostly made of?

What is happening to this element in the Sun's core?

What is this process called?

Why does the mass of the Sun get less by 400,000 tons every second?

Einstein said that E = mc². What does this equation mean?

How old is the Sun? Why will it not last forever?

What are prominences?

What are solar flares?

How do solar flares effect us on Earth?

How do we know that the Sun is rotating?

How long does it take the Sun to rotate?

Sketch a typical sunspot and label it. What is the temperature of the different regions?

If we observed sunspots over a period of many years what would we notice?