Shapley's "liquid water belt" theory contributed to the understanding of what?
Cloud Formation
Tidal Waves
Habitability of Planets
Composition of Stars
Answer
The Habitability of Planets is the study of whether an exoplanet or moon can sustain life. Shapley's "liquid water belt" theory, proposed in 1917, states that there is a region around a star where liquid water can exist on a planet or moon. This region is called the habitable zone.
Shining a Light on Harlow Shapley: The Scientist and Advocate Quiz