What was the burning object above Tienen? HLN science expert Martijn Peters explains

In the night from Sunday to Monday, a reader sent in 4040 images of a strange burning object via our Nieuwslijn, high in the air in Hakendover (Tienen) in Flemish Brabant. It seems unlikely that it is a meteorite or rocket. What is this mysterious object? Our science expert Martijn Peters explains.

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