How can spectra tell us what things are made of?
Stars and planets are too far away for a human to touch, yet we know what they are made of. Spectra make this possible! Let’s investigate how.What can we know about other solar system objects from their reflection spectra?
Spectrum Tool. Choose one reflection spectrum of a non-Earth solar system object.
Spectrum Notebook. Answer the questions in the What can we know about other solar system objects from their reflection spectra? section.
Brightness 