Animation Perseid Meteor Shower

Posted on August 12, 2024  •  1 minutes  • 109 words

图文来源自：nasa. copyright: Ian Webster

Where do Perseid meteors come from?Mostly small bits of stony grit, were once expelled from and continue to follow this comet’s orbit as they slowly disperse. The depicts the entire meteoroid stream as it orbits . When the Earth nears this stream, as it does every year, the occurs. Highlighted as bright in the animation, this size is usually so dim it is practically undetectable. Only a small fraction of this debris will enter the , heat up and . Tonight and the next few nights promise some of the better skies to view the as well as because the will be from from .