True: The universe is expanding, We know the universe is expanding beacuse of the Doppler effect, the sun is at the centre of the solar system, earth revolves around the sun, cosmic background radiation tells us that the universe is expanding, cosmic background radiation was discovered in the 1960s, cosmic background radiation was examined by the cosmic background explorer in 1992,

True false big bang

Public - Created by anonymous

Similar activities

Switch Format

Interactives


Worksheets