A total solar eclipse is a magnificent astronomical event where the Moon passes directly between the Earth and the Sun, completely obscuring the Sun's face to those within the path of totality. It turns day into twilight, revealing the Sun's corona, its outer atmosphere, which is usually hidden by the bright light of the Sun. This rare occurrence offers a unique opportunity for observation and has fascinated humans for centuries.

Key Update

On April 8, 2024, North America will experience a total solar eclipse, with the Moon casting its shadow across Mexico, the United States, and Canada. This event is particularly noteworthy as it's the last total solar eclipse visible from the contiguous United States until 2044. Observers within the path of totality will witness a dramatic change in the day's light, experiencing darkness in the middle of the day and seeing the Sun’s corona. Safety is paramount during such events; viewers are advised to use special solar viewing glasses or indirect viewing methods, as looking directly at the Sun can cause severe eye damage. This eclipse's path will span several states and provinces, offering millions the chance to see this celestial event, with varying durations of totality depending on the location. Additionally, the event presents a scientific opportunity to study the Sun's corona and its effects on Earth's atmosphere.

Technical Terms

Total Solar Eclipse

Occurs when the Moon completely covers the Sun, as seen from Earth, blocking its light.

Path of Totality

The track across Earth's surface from which the total eclipse is visible.


The outer atmosphere of the Sun, visible during a total solar eclipse.