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Density wave theory

space Maturity 9-11

Some galaxies look like big swirls.

Sig07-009.jpg
Sig07-009.jpg
These swirls are like traffic jams. Stars move in and out of them. This helps make new stars. It is a pretty sight!
spiral galaxy arms diagram.svg
spiral galaxy arms diagram.svg
Do you like looking at the stars?

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🖼️ Images & Media (4)
File:Sig07-009.jpg
Sig07-009.jpg
File:spiral galaxy arms diagram.svg
spiral galaxy arms diagram.svg
Spiral arms.ogv
File:PIA08824 A ring spiral density waves.jpg
PIA08824 A ring spiral density waves.jpg
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📚 Content adapted from Wikipedia | Readability: FK 11.1 | Vital Level 5