The earth travels in space. Its journey is the same every year. It travels through pieces of rock between September and December.
These pieces enter the atmosphere of the earth. They burn. You can often see them. Most people see them at the end of November. They are called “Halloween fireballs” because of this.
This year, there are two green fireballs. People in Poland and Thailand see them.
Difficult words: earth (this planet), journey (a way), atmosphere (the gas around a planet).
You can read the original story and watch the video in the Level 3 section.
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