金沙城中心娱乐网址:Space debris may cause mysterious ball lightning

2019-03-07 02:09:00

SPACE debris falling into the atmosphere may cause mysterious ball lightning. Thousands of people have seen floating orbs of light, sometimes during thunderstorms, but their origin has never been established. The weather was clear when Don Vernon, a farmer in Queensland, Australia, spotted two green balls descending from the sky on 16 May 2006. Oddly, the second rolled down a hill, bounced and then vanished. Stephen Hughes, an astrophysicist at the Queensland University of Technology in Brisbane, says the first was probably a bright meteor caused by debris from Comet 73P,