The sun is our largest member of our Planetary System. It weighs about five hundred times as much as anything else in our Planetary System. Wow, now that is a lot! It is the only planet or star in our Planetary System large enough for its center to undergo nuclear fusion. It is able to produce so much energy that it shines. The planets of our Planetary System are so much smaller that nuclear fusion can't occur. Their surfaces are cold. They only shine by reflecting light from the sun. All of our planets do orbit the sun.
Here are some questions about the sun. Can you answer them? Click on the question to find the answer!
- How Hot Is the Sun?
- Can you make electricity from the heat of the sun?
- Why Does the Sun Seem to be Moving?
- How Bright is the Sun?
- Did people ever worship the sun?
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