9 Space Voyager Sun

Big and Hot The sun is hot. It keeps us warm. It gives us light. It helps plants grow.

又大又热太阳很热。 它让我们保持温暖。它给我们光。 它有助于植物生长。

What is the sun? It is a star. It is made of gas.

太阳是什么？它是一颗星星。 它是由气体构成的。

The sun is big. One million Earths could fit inside it.

太阳很大。它能装下100万个地球。

Earth orbits the sun. Other planets do, too.

地球绕太阳运行。其他行星也是如此。

The sun is hot. It is hotter at the core.

太阳很热。地核更热。