Earthshine to be visible on the unlit part of the moon from June 1-4

Earthshine is visible on the unlit part of the crescent moon
Earthshine is visible on the unlit part of the crescent moon. (Image credit: NASA/JPL-Caltech)

Have you ever noticed earthshine, the beautiful glow on the darkened part of the moon?

It is visible a few days before and after the new moon, when the moon is in its crescent phase.

As the new moon falls on June 6 at 12:38 UTC, so the next earthshine will be visible on the unlit part of the thin waning crescent moon from June 1 to June 4, 2024 (roughly). Check out our daily moon guide to know the current moon phase.

A waning crescent moon rises at dawn (a few hours before sunrise) and sets in the afternoon (a few hours before sunset), so look in the eastern sky preceding sunrise (when the sky remains dark) on the unlit part of the waning crescent moon to see the next earthshine from June 1 to June 4, 2024.

We see the illuminated part of the moon when sunlight reflects from the moon directly and reaches us.

However, sometimes the darkened disk (unlit portion) of the moon is seen when sunlight reflects twice. First, sunlight reflects from the earth, and then this earthlight reflects from the moon and back to our eyes. As a result, we see a dim glow on the darkened disk of the moon, called earthshine.

You need no instruments, like a pair of binoculars or a telescope, to see earthshine. It is easily noticeable with unaided eyes if the night sky is dark and clear.

Currently, it is summer in the northern hemisphere, so the earth reflects more light than any other time of the year, making it the best time to observe earthshine.

Main article: All you need to know about the earthshine    

Happy skywatching!

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Ashim

Ashim Chandra Sarkar founded Space & Telescope in 2022. He holds a M.Sc. in physics and has five years of research experience in optical astronomy. His passion for astronomy inspired him to open this website. He is responsible for the editorial vision of spaceandtelescope.com.

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