Chinese space station falling toward earth, expected to hit Sunday 9News.com KUSA Phil Plait, an astronomer, says if you see it you may think it's a meteor show - but meteors are a little different. They're pieces of rock and ice and sometimes metal, and they're moving at very high speeds – think 20, 30, or 40 miles per second. “So when they burn up and burn across the sky they zip ...