Photo date: February 6, 2020. Photographer: Mark Mahin.
The photo below shows a mysterious orb I photographed indoors. We see yet another example of the orb "string of pearls" effect that I have 93 previous times photographed (as shown here). Each such "pearl" on such a "string of pearls" is, I believe, a different position state of an orb moving very fast. Such a thing cannot possibly be a dust particle, as indoor dust particles move only at the sluggish pace of about 2 miles per hour.