9781422277638

The fountain, great gate, and chapel at Trinity College, one of the constituent colleges of the University of Cambridge. Trinity was founded in 1546, and Isaac Newton enrolled there in 1661.

Words to Understand

concave— a surface that curves inward, like the inside of a circle or sphere. cosmology— a system of the universe and of the general laws that govern it. ether— Aristotle believed this was a fifth element, which was superior to the four elements (fire, earth, air, and water) that he thought made up everything below the sphere of the moon. All stars, planets, and other heavenly bodies were made up of Ether.

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