Wonders Unit 5 Week 4 Vocabulary

means close to a certain number or amount, but not exactly.

means in a precise manner; without any error.

a building equipped with telescopes and other instruments for observing celestial events.

the process of using mathematics to find an answer.

all of space and everything in it, including stars, planets, and galaxies.

the distance from one side of a circle to the other, passing through the center.

standards or principles by which something is judged or decided.

to assess or determine the value or significance of something.

the curved path of an object around a star, planet, or moon.

an electronic device that processes data and performs calculations.