A small asteroid will make a fiery but harmless dive into Earth's atmosphere early Tuesday morning, astronomers said. Harvard University scientists said late Monday that the unnamed asteroid will burn up in the sky, creating a fireball that people in northern Africa should be able to see. The asteroid—between 1 and 3 meters in diameter—is expected to enter the atmosphere above Sudan at 2:46 GMT Tuesday, which is just before dawn in Africa. Astronomer Tim Spahr said the asteroid is so small it cannot reach the ground and will not hurt anyone. Astronomers have tracked space for years looking for potential comets and asteroids that regularly hit Earth.
