full transcript
"From the Ted Talk by Stephen Petranek: 10 ways the world could end"

Unscramble the Blue Letters

Number four: ganit solar frlaes. Solar flares are enormous magnetic outbursts from the Sun that bombard the Earth with high-speed subatomic particles. So far, our atmosphere has done, and our magnetic field has done pretty well protecting us from this. osiaacocnlly, we get a flare from the Sun that causes havoc with communications and so forth, and electricity. But the alarming thing is that astronomers recently have been studying satrs that are slimiar to our Sun, and they've found that a number of them, when they're about the age of our Sun, brighten by a factor of as much as 20. Doesn't last for very long. And they think these are super-flares, millions of times more powerful than any flares we've had from our Sun so far.

Open Cloze

Number four: _____ solar ______. Solar flares are enormous magnetic outbursts from the Sun that bombard the Earth with high-speed subatomic particles. So far, our atmosphere has done, and our magnetic field has done pretty well protecting us from this. ____________, we get a flare from the Sun that causes havoc with communications and so forth, and electricity. But the alarming thing is that astronomers recently have been studying _____ that are _______ to our Sun, and they've found that a number of them, when they're about the age of our Sun, brighten by a factor of as much as 20. Doesn't last for very long. And they think these are super-flares, millions of times more powerful than any flares we've had from our Sun so far.

Solution

  1. occasionally
  2. giant
  3. flares
  4. similar
  5. stars

Original Text

Number four: giant solar flares. Solar flares are enormous magnetic outbursts from the Sun that bombard the Earth with high-speed subatomic particles. So far, our atmosphere has done, and our magnetic field has done pretty well protecting us from this. Occasionally, we get a flare from the Sun that causes havoc with communications and so forth, and electricity. But the alarming thing is that astronomers recently have been studying stars that are similar to our Sun, and they've found that a number of them, when they're about the age of our Sun, brighten by a factor of as much as 20. Doesn't last for very long. And they think these are super-flares, millions of times more powerful than any flares we've had from our Sun so far.

ngrams of length 2

collocation frequency
black holes 5
united states 4
bt corn 4
magnetic field 4
black hole 3
national science 3
advanced civilization 3
food supply 3
ozone layer 3
miles wide 3

Important Words

  1. age
  2. alarming
  3. astronomers
  4. atmosphere
  5. bombard
  6. brighten
  7. communications
  8. earth
  9. electricity
  10. enormous
  11. factor
  12. field
  13. flare
  14. flares
  15. giant
  16. havoc
  17. long
  18. magnetic
  19. millions
  20. number
  21. occasionally
  22. outbursts
  23. particles
  24. powerful
  25. pretty
  26. protecting
  27. similar
  28. solar
  29. stars
  30. studying
  31. subatomic
  32. sun
  33. times