There were still, in 1968, a few people who were afraid of the nuclear power plant. This means, simply, that operators in nuclear power plants need not be eminent physicists or mathematicians. They had some nuclear power, introduced a century or so ago by traders from Marduk, one of the really civilized planets.
This interactive Google map shows the path of the Total Solar Eclipse of 2017 Aug 21. The northern and southern path limits are blue and the central line is red. You MUST be somewhere within the central path (between the blue lines) to see the total phase of the eclipse. The eclipse is longest on the central line (red).
Totality during the 1999 solar eclipse. Solar prominences can be seen along the limb (in red) as well as extensive coronal filaments. An eclipse is an astronomical event that occurs when an astronomical object is temporarily obscured, either by passing into the shadow of another body or by having another body pass between it and the viewer. An eclipse occurs during a syzygy. The term eclipse is most often used to describe either a solar eclipse, when the Moon's shadow crosses the Earth's surface, or a lunar eclipse, when the Moon moves into the Earth's shadow.