noun
- plural of earthset; instances or moments when the Earth appears to descend below the horizon as viewed from space or another celestial body
Usage: astronomy; space exploration; often used in contrast with 'earthrise'
Examples
- Astronauts photographed multiple earthsets during their orbit around the Moon.
- The spacecraft's cameras captured stunning earthsets as it circled the distant planet.
- Unlike earthrises, earthsets occur when Earth moves away from the observer's line of sight.
- The mission documented several earthsets to study atmospheric phenomena from space.