Astronomers believe it’s a dust cloud caused by a cosmic collision.
Use this article with students in years 5, 7, and 10, studying physical and earth and space sciences to demonstrate scientists’ changing understanding of space. It could be used to show how scientists gather data and make predictions to explain the solar system and beyond. It also shows that they aren’t always right the first time, and that the explanations are refined as more data is collected.
Word Count: 498
Years: 5, 7, 10
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