Levana

Levana is a lunar phenomenon where the Moon’s eastern or western edge, called the limb, appears brighter or more illuminated, often caused by Earth's atmosphere or optical effects. This enhanced brightness can make the Moon seem larger or more detailed than usual. In lunar observation, Levana helps astronomers study the Moon’s surface quality and atmospheric influences. It’s different from the full Moon; rather, it’s an optical effect related to viewing conditions, often occurring during moonrise or moonset, providing valuable insight into how our atmosphere and optical systems influence celestial observation.