A student notices that the evening sky is usually red and

Last updated: 8/8/2022

A student notices that the evening sky is usually red and wants to find out why. Which of the following would be the next step? He publishes an article on sky conditions. He starts to experiment to see how dust affects light rays. He thinks that dust in the sky makes the sky red so he comes up with a valid hypothesis. Other scientists confirm his experiment by repeating the tests.