The question of whether aliens are real is usually answered too quickly. Some point to the lack of proof, while others collect every light in the sky as a sign. Between the two lies a sober space better suited to observation, doubt and patience.

The interesting part is often not the great proof, but the pattern of small reports. In Düsseldorf, for example, stories about silent points of light above the Rhine keep returning. They are not automatically spectacular, but they show how attentive people become when everyday life slips out of rhythm for a moment.

Technical explanations remain important: drones, weather, reflections, air traffic and rare atmospheric effects explain a great deal. Anyone who wants to be seriously sceptical must not only demystify, but also document cleanly what does not fit.

What remains is not a final judgement, but a working question: which observations repeat, which disappear under closer inspection, and which deserve a second, calmer look?