Name that Wave. joel
The bending of waves as they enter a new medium at an angle.
What is (OWO)? IDK.
What is red shift? Give two important facts about this.
Evidence that the universe is expanding Objects in space are moving away from us so it produces a reddish color because of the longer wavelength When they move away, the frequency is decreasing When light is moving towards something, it produces a blueish color because the wavelength is shorter and the frequency is increasing