声音简介
Black holes are not real holes in space. A black hole form when a star collapses. A black hole is a dying star. It has strong gravity. It can pull things close to it. Even light can't get out.
What does a black hole look like？
Scientists are trying to take a photo of a black hole. But black hole look black. How to scientists take a photo of it？
It takes a lot of teamwork. Eight observatories from all over the world work together.
They make a huge virtual telescope. It is called the EHT telescope. It is very powerful. It can see a golf ball on the moon！It took thousands of photos in April 2017. Scientists are using supercomputers to find out a photo of a black hole among these photos. It's going to take a few months.
Word Bank
1. black hole 黑洞
2. real adj 真实的 eg Is it real？I'll tell you the real story ！What will happen in real life？
3. form v 形成 from prep 来自
4. collapse v fall down or break down 崩塌. eg The tall building suddenly collapsed.
5. dying adj 垂死的 She is dying.dead adj 已死的 A dead dog die v 死亡 She died in an accident.
6.
7. gravity n 重力
8. try to do sth 努力做某事 try doing 试着做
9. teamwork n a group of people work effectively together
10. virtual adj just has the opposite meaning of real
11. telescope n 望远镜
12. powerful adj 强大的 has a great power
13. supercomputer n 超级计算机
14. burp v 打嗝
15. suck in 吸进去
16. gas and dust 气体和尘埃
17. light- year 光年
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