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PHYSICAL-SCIENCE-Q4-SLM17.pdf - Physical Science 11 Science - Grade 11 Quarter 4 - Module - 17: The Expanding Universe! Part 1 First Edition

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What does it mean when they say the universe is expanding?

Expansion of the universe - Wikipedia

Expansion of the universe - Wikipedia

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Expansion of the universe - Wikipedia

PHYSICAL-SCIENCE-Q4-SLM17.pdf - Physical Science 11 Science - Grade 11 Quarter 4 - Module - 17: The Expanding Universe! Part 1 First Edition