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This material serves as a foundational resource for curriculum-based science study, aiding students in identifying the characteristics of the Milky Way, the nature of galaxies, and the classification of stellar brightness. It provides a structured approach for teachers and students to assess knowledge retention through clear, concise, and thematic vocabulary matching exercises that cover the essential building blocks of modern space science and galactic evolution 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     \nDate        \nStars,Galaxies and the Universe  \nClass                        \nName                                    \nDate","cbCaiiaZ5dPa5F2S","https://ap.wps.com/l/cbCaiiaZ5dPa5F2S","pdf",2764275,"English","# Astronomy Vocabulary Exercises\n## Matching Terms and Definitions\n## Key Concepts in Cosmology","[{\"question\":\"What is the definition of absolute brightness?\",\"answer\":\"Absolute brightness is a measure of the actual intrinsic brightness of a star, independent of its distance from the observer.\"},{\"question\":\"How does the expanding universe theory describe the motion of galaxies?\",\"answer\":\"The expanding universe theory posits that the universe is growing in size, a phenomenon supported by scientific measurements showing that galaxies are moving away from each other over time.\"},{\"question\":\"What defines a galaxy?\",\"answer\":\"A galaxy is a massive, gravitationally bound system consisting of dust, gas, and millions of stars, often forming an identifiable cluster of celestial objects.\"}]","Stars, Galaxies and the Universe - Grade 8 Science Vocabulary Worksheet | PDF",1790597762]