noun
- the fraction of light or radiation that is reflected by a surface
Usage: astronomy; physics
Examples
- The Moon’s albedo is only about 0.12, making it quite dark.
- Fresh snow has a high albedo, reflecting most sunlight back to space.
- Scientists measure Earth’s albedo to study climate change.
- The planet’s low albedo causes it to absorb more heat.
- Ice has a much higher albedo than ocean water.
- Researchers study the albedo of different materials for solar panel efficiency.