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Unit 2 READING 2

I was researching stars to complete a big science
project. I wanted to learn more about dead stars.

I heard that most of the stars above are dead. Do

you know why? People say that stars are very far from

Earth. So it takes a long time for the stars’ light to get here.

When their light reaches Earth, they are already dead.

However, I have read an interesting article from a

science magazine. According to the article, it takes

some stars’ light just thousands of years to reach

Earth! (a) , stars live for millions of years. Then this

means that (b) .

English Usage

• According to + A(noun) : in A’s opinion, if what A says is true
According to today’s weather forecast, it will rain afternoon.
According to him, the movie is based on a true story.

108 Chapter 5 Science
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