A total solar eclipse is when the moon comes directly between Earth and the sun. This happens fairly frequently, roughly twice a year. However, because the moon’s shadow is so small, any particular place on Earth will rarely see a total solar eclipse. Only those within the dark band on the NASA map will see […]
On Feb. 20, 1962, astronaut John H. Glenn climbed aboard the tiny Friendship 7 spacecraft, the third of six manned Mercury flights and the first one to orbit the Earth. Fifty-one years later, we can look back and commemorate the life of Glenn, one of the most accomplished Americans of the 20th century and ask […]
As most people have heard, the end of the world is upon us, mere days away at this point. According to several popular lines of thought, only the “doomsday preppers” and those invited to ride it out in the secret government bunkers are going to survive the coming apocalypse. Other ends of the world failed […]
Every four years, we have a U.S. presidential election. In that same year, we also have a Summer Olympics. Not coincidentally, that year also is a leap year, a year with 366 days rather than 365. Why is this? Can’t we make a better calendar? To understand why we need leap years, we must first […]
