A partial solar eclipse collage in Chile of the April 30, 2022 solar eclipse.

A collage of 21 images shows the eclipsed sun setting over the Atacama Desert in Chile on April 30, 2022. (Image credit: P. Horálek/ESO)

skywatchers gathered to watch the sunset over the Atacama Desert, and to witness a rare phenomenon.

Before the sun passed below the horizon, the moon blocked a small portion of the sun's circle in the first partial solar eclipse of 2022. The European Southern Observatory (ESO) released an image on May 9 that shows the moon&s path in front of the sun during the solar eclipse.

A solar eclipse happens when the moon crosses in front of the sun. In the April eclipse, the moon covered a small part of the sun, making it appear as if the sun had vanished.

Satellite views of the 1st solar eclipse of 2022.

The southern tip of South America was where the moon blocked most of the sun's disk during the eclipse.

Within a 54-minute window, 21 shots were captured in the newly released collage. The last light of the day is obscured by the outline of the moon about midway through that period.

The desert landscape and low-lit sky make for an ethereal setting. The eruption of a volcano in the middle of the Pacific Ocean created a dusty effect around the sun. Some of the material that was shot out remains high in the atmosphere.

Many skywatchers who caught the eerie sunset didn't realize what was in store for them.

The eclipse can be seen from the southernmost regions of South America and from the Pacific and Atlantic oceans. Many people who live out of sight watched the event online.

The last solar eclipse of the year will be in 2022. There will be a partial eclipse on October 25, which will be visible from Europe, western Asia and northeast Africa.

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