Actually, It doesn't exactly fits, it appears to fit from some perspectives. Sun's size is so big comparable to both earth and moon. When shadow of moon is spr

Actually, It doesn't exactly fits, it appears to fit from some perspectives. Sun's size is so big comparable to both earth and moon. When shadow of moon is spread on earth, shadow's radius is much smaller than moon's radius, unlike our conventional knowledge that shadows appear larger with distance. For people on earth who are in the path of totality, it appears as if moon has completly covered the sun.