A nearly 3-mile-wide asteroid will make a (relatively) close call with Earth on Friday

(CNN) – A huge asteroid is hurtling toward Earth, but don’t worry, this isn’t “Armageddon.”The asteroid, named Florence, is an almost three-mile wide rock that will pass safely within about 4.4 million miles of Earth (7 million kilometers) at 8:05 a.m. ET on Friday, NASA says.And while a few million miles sounds like a lot of room, it’s actually a pretty close pass when you’re talking about the vastness of space. Other asteroids have pass