Could be ... lots of little flashes as various people visit the blog, or as topics for posts appear briefly in the blogger's mind - and behind those, the great vast untapped universe....
Technical details: this, from the Astronomy Picture of the Day website, is the result of combining a series of 30-second images of the night sky during the annual August Perseid meteor shower - comet dust burns up as it enters the atmosphere, and on a clear and moonless night, it's great to see - usually one flash at a time.
1 comment:
Sorry, Margaret, looks to me like a cosmic sneeze...
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