"Unexpected Changes in Total Solar Eclipse Map Accuracy"

Eclipse maps for the upcoming total solar eclipse on April 8 are inaccurate due to an incorrect value for the sun's diameter, affecting the path of totality and potentially causing locations on the edge to miss out on totality. A new map, using a slightly larger solar radius, has been published to rectify this issue. The moon's topography and the sun's non-sharp edge also contribute to the fuzzy and jagged edges of the path of totality, leading to grazing zones and uncertain experiences for spectators. Scientists are conducting experiments during the eclipse to measure the solar radius more accurately, with the hope of establishing a reliable methodology for future measurements.