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Scale factor (cosmology)

space Maturity 11-13

Space is getting bigger.

ScaleFactorBasics.svg
ScaleFactorBasics.svg
Everything in space moves apart. It grows like a balloon. This helps us see how space grows. It is a big job. Do you want to look at the stars?

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File:ScaleFactorBasics.svg
ScaleFactorBasics.svg
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📚 Content adapted from Wikipedia | Readability: FK 14.0 | Vital Level 5