Solar System B
Posted: September 5th, 2022, 7:35 pm
1. What is a spectrograph?
2. Given Europa is so far from the Sun, why do scientists believe that it’s ocean is warm enough to be in a liquid state?
1. A spectrograph is a device that splits light into its component wavelengths. A prism is an example of one. 2. Tidal flexing is thought to give it enough heat.