sentence: Glaciers are blue in color.
sentences_after: This is because water is very good at absorbing light. Only the strongest light, with the most energy, is able to escape. Blue is the color of light that has the most energy. Because of this, blue is the only color of light that can escape without being absorbed. The thicker the glacier is, the more blue it appears.
concept_name: glacier
headings: Glacier Appearance
categories: Landforms