| comet tail | 0.72 | You will never see comet tails or computerized pucks on CBC. | ||
| comet fragment | 0.53 | Scientists also expected to see water vapor from the comet fragments themselves. | ||
| comet impact | 0.46 | COMET impacts continue. | ||
| comet dust | 0.26 | Comet dust falls harmlessly onto Earth all the time, scientists say. | ||
| comet nucleus | 0.26 | Using spacecraft, scientists have only twice viewed close-up images of comet nuclei. |