The Moon Will Look Different This Week — Here’s Why
News Desk
Islamabad: Skywatchers have a chance this week to witness the rare celestial phenomenon known as “Earthshine,” when the dark side of the moon softly glows due to sunlight reflected from Earth.
Unlike a full moon or lunar eclipse, Earthshine appears during the days before and after a new moon, giving the moon a faint, mysterious glow that is visible to the naked eye under the right conditions.
According to experts, the phenomenon occurs when sunlight first reflects off Earth and then illuminates the moon before bouncing back toward Earth. This creates a dim outline of the moon’s surface, often described as the “ghost moon” effect.
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Astronomers say Earthshine is especially visible during April, May and June because Earth reflects more sunlight during spring in the Northern Hemisphere. Snow and ice still covering parts of the planet increase Earth’s reflectivity, or “albedo,” making the moon’s faint glow easier to spot.
NASA says the alignment of Earth and the moon during this period allows sunlight to reflect in a way that enhances the phenomenon.
Astronomer Michael Zion explained that Earthshine can be observed twice during each lunar cycle, both before and after the new moon.
Experts say no telescope is required to enjoy the spectacle. The best viewing times are around 45 minutes before sunrise or after sunset, with early morning considered ideal for observation.
For those who miss this week’s display, Earthshine is also expected to be visible again between June 11–13 and June 17–19.
