A total solar eclipse occurred at the Moon's ascending node of orbit on Wednesday, August 11, 1999, with a magnitude of 1.0286. This was one of the most-viewed total solar eclipses in human history. A solar eclipse is when the Moon passes between the Earth and the Sun, thereby totally or partly obscuring the light of the sun for a viewer on earth. A total solar eclipse is when the Moon's apparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into night. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide. Occurring about 3.5 days after perigee, the Moon's apparent diameter was larger.