How does the visual appearance of an Iridium flare differ from a Starlink train sighting?
Answer
Iridium flares were single, extremely bright flashes caused by mirrored panels, while Starlink is a line of lights maintaining consistent magnitude
Iridium was known for brilliant, brief flares when a mirrored panel focused sunlight like a magnifying glass; Starlink sightings are characterized by a row of distinct points of light.

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Starlink satellites, the string of lights in the night sky. - YouTube
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