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10 questions
There were ......... in the sky that we couldn't see
such many clouds
so many clouds
It was ....... that we couldn't see much.
such a cloudy night
so much cloudy night
The passing of the comet Swift-Tuttle is ...... that it only comes every 133 years.
so rare occurrence
such a rare occurrence
The comet has ..... that it passes through Earth's upper atmosphere every year.
so large wake
such a large wake
The burning bits of dust and debris, "shooting stars", appear ..... that you can see two or three a minute.
so frequently
such frequently
The particles are ..... that they burn up before they reach Earth.
so small
such small
The meteor particles move ..... that they become bullets in space.
so fast
such fast
A meteor storm is ..... to satellites that they have to be moved or turned away from the storm.
so big threat
such a big threat
Scientists consider this ..... that they are flying in aircraft to study it.
so unique opportunity
such a unique opportunity
These observations will reveal ..... that scientists will be studying results for years.
so much important information
such much important information
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