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Discovery inquiry presentation Discovery inquiry presentation By Rochelle Cole Why are the sun and planets round? Why are the sun and planets round? Gravity is keeping the…

Documents Spiral Galaxies

Slide 1 Spiral Galaxies (Jason Ware, 1999) http://apod.nasa.gov/apod/ap991114.html - where the pic is from (cite this yo) 1 Outline Introduction Basic Structure Composition…