But then the spaceship jumped again, and it moved sideways from the black hole. It began to increase its speed until it seemed to be going as fast as light.

　　At last the spaceship slowed down and the computer started working again.

　　2. Let students read the passage again and do the following:

　　Suppose you are a scientist reading this passage. Use this checklist to discover the new ideas about “black holes”. Then write them for the other scientists to read about.

　　Old ideas about “black holes” Was this what we found? New ideas about “black holes”

　　1. Black holes cannot be seen.

　　2. Gravity pulls objects towards them.

　　3. Objects go round outside the edge of the “black hole”.

　　4. All objects must go into the “black hole” when they are caught by its gravity.

　　3. Several minutes later, show the answers on the screen and check them with the whole class. At the same time, deal with any difficult language points that students can’t understand.

　　Suggested answers:

　　Old ideas about “black holes” Was this what we found? New ideas about “black holes”

　　1. Black holes cannot be seen. Yes

　　2. Gravity pulls objects towards them. Yes

　　3. Objects go round outside the edge of the “black hole”. Yes

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