다음 주어진 영문에서 그 쓰임이 어색한 것을 찾아 바르게 고쳐 쓰시오. 1. In March 12, 2009, everything seemed normal in space.

2. Astronauts were worked on the International Space Station.

3. Suddenly, an emergency signal was sounded.

4. Mission Control ordered the astronauts leaving the station.

5. They ran to the escape room, and waiting for further orders.

6. What was going with?

7. A small object was approaching the space station rapid.

8. It was a glove! Mission Control is afraid it would strike the station.

9. Ten minutes later, Mission Control sent a message what the glove had passed by the station.

10. Phew! They were safely.

11. The station just escaped a tragedy.

12. What are space junk?

13. Until 1957, the only thing what was moving around the Earth was the Moon.

14. Now, therefore, there are thousands of satellites around the Earth.

15. Many of these satellites are no longer in using.

16. They became "space junk."

17. Space junk exists in various forms: used rocket bodies, broken satellites, and even gloves what astronauts have lost.

18. Scientists say, "About 370,000 pieces of space junk observed in 2010, and the number will be three times bigger by 2030."

19. What is space junk a problem?

20. Space junk travels at speed of about 28,000km/h.

21. That is ten times fast than a bullet.

22. Therefore, any crash would result from serious damage.

23. A scientist in NASA warning, "In space, just one little bolt can destroy a whole satellite."

24. If a satellite destroyed, we would face serious problems.

25. Your cell phone would stop to work, and there would be no weather forecasts.

26. Therefore, planes or ships with GPS would lose their way.

1. What can be doing about space junk?

2. Today scientists are looking for ways cleaning up space junk.

3. One idea is shooting lasers at it.

4. The lasers wouldn't destroy the junk, but wouldn't move the junk away from working satellites.

5. Another idea is developing a new spaceship that can act like a garbage truck.

6. This high-flying garbage truck could catch junk and dropping it into the Earth's atmosphere.

7. The junk would then burn up before strike the ground.

8. Moreover, the most important thing is that we should not create any more space junk.

9. To do this, we should prevent satellites to crashing into each other.

10. If we prevented satellites from crash into each other, less space junk would be made.

11. We should also design space tools what are harder for astronauts to lose.

12. So far, scientists focused on exploring and using space.

13. However, they are becoming more concerning about how to use space safely.

14. Dealing with the space junk problem remain a challenge for all scientists around the world.