Answer:
Hi there~
The answer is:
1. This meteor shower is a rare occurrence so that it comes every 33 years.
2. The comet has a huge wake such that it passes through Earth's upper atmosphere.
3. The shooting stars appear frequently such that you can see two or three a minute.
4. Scientists consider this a unique opportunity so that they fly in aircrafts to study it.
5. These observations will reveal important information such that scientists will be studying results for years.
Hope this helps
Minisugarr