An ‘earthgrazer’ flew over the U.S., then vanished, NASA saysPublished on November 17, 2021Written by phys.org A space object with an intimidating name—”earthgrazer”—zoomed over Georgia and Alabama this week, offering witnesses a glimpse of something rare, NASA says. “Earthgrazers” are fireball meteors with a trajectory so shallow that they skim long distances across the upper […]