Partial lunar eclipse visible early Friday morning

Early risers in Sweden have the opportunity to witness a partial lunar eclipse on Friday morning. The celestial event begins shortly after 4:30 AM, when the full moon will gradually enter Earth's shadow, provided the weather is clear.

Unlike solar eclipses, lunar eclipses are entirely safe to observe without special protective glasses. Binoculars can enhance the viewing experience, allowing observers to notice the shifting color nuances across the moon's surface. The moon will not disappear but will instead take on a reddish hue. This color is a result of sunlight bending around Earth and reaching the moon, a phenomenon similar to why the sky appears blue and sunsets red.

The intensity of the red color depends on atmospheric conditions on Earth. A clear atmosphere with little dust results in a bright red moon, while volcanic eruptions can scatter light, making the moon appear dark red or barely visible. Lunar eclipses happen only during a full moon, when the sun, Earth, and moon align with Earth in the middle, casting a shadow on the moon.

While solar eclipses are visible only from narrow regions, lunar eclipses can be seen from the entire half of the planet experiencing night and typically last for several hours. The upcoming eclipse in Sweden will be partial, meaning only a portion of the moon will be obscured. Due to the moon's setting time, Swedes will only catch the initial phase of the eclipse. The moon will be low in the west-southwest, requiring a clear view of the horizon, ideally from an elevated position, to observe the edge of Earth's shadow creating an arc on the lunar surface, an ancient testament to Earth's roundness.