It appeared that the meteorite's profile didn't change. The resolution wasn't good, but it looks like a white rod. It kind of looks fishy. Meteors are particles the size of pebbles that have fallen off a comet. They leave narrow trails, appear more distant and move extremely fast, he said.
Asteroids are larger chunks of rock and are less common.
They're big enough to leave huge craters if they hit the earth, like one in Arizona. One of those hitting the earth would not go unnoticed, experts said. Bowman said their smoke trails don't look like the ones shown on the film, he said. They fly like a jet, but leave no trail, he said. There's a lot of defense-minded activity associated with them.