An asteroid the size of three football fields will pass near Earth in three years, giving scientists a rare chance to study a colossal space rock from close range. Named Apophis — after the ancient Egyptian deity known as the "god of chaos" — the asteroid is expected to zoom past the planet on April 13, 2029, according to NASA . It will come within about 20,000 miles of Earth's surface, which is closer than many orbiting satellites, the agency said. The highest satellites typically orbit around