In the Libyan desert there is a mysterious glass, the purest natural silica glass ever found on earth. No other substance like it exists. Since natural glass, such as Libyan Desert Glass, can be formed only by lightning strike, volcanic activity, or meteorites striking the earth, it is a mystery to scientists how the glass got there. But none of these events make any sense since the glass dates thousands of years old and is spread out all over the desert, plus there is no sign of a crater and no volcanos.
78) From Anchorage, Alaska at an elevation of 102 feet, on clear days Mount Foraker can be seen with the naked eye 120 miles away. If Earth were a ball 25,000 miles in circumference, Mount Foraker’s 17,400 summit should be leaning back away from the observer covered by 7,719 feet of curved Earth. In reality, however, the entire mountain can be quite easily seen standing straight from base to summit.