The BBC announces the British Airways pilot on Fridaythis morning contacted Shannon Airport Traffic Control Station. She wanted to know if there was any military exercise in the area because she noticed a "fast moving object".
The aviation controller assured that no exercise took place in that area.
A pilot flying from Montreal, Canada to Heathrow Airport, said he saw a very strong light transmission object that appeared on the left side of the aircraft and then "quickly moved north."
The woman wanted to know what could be, but he assured that the object was not a threat of collision.
The Virgin Airlines pilot also thought he had seen an unusual phenomenon and thought it could be a meteor or other object that had crossed the Earth's atmosphere. He said he noticed "several objects similar to the same paths" and that they were very bright. Pilate said he saw "two bright objects" on the right side of the plane, which increased the speed.
Another pilot said the object or objects moved at "astronomical speed".
What could it be?
Apostolos Christou, a Armagh observatory and a planetarium astronomer, said that it was probably a cosmic dust that crossed the Earth's atmosphere at very high speeds.
"It's likely that it was the so-called falling star," he said. "The witnesses said they had seen very strong light, so I think the object or objects were quite big. I can not say exactly, but from the description of pilots, cosmic dust or rock could have been in the size of a walnut or an apple. "
The astronomer said that in November such sky phenomena often occur. It is estimated that every year 40,000 tons of cosmic dust reaches the surface of the earth.
The Irish Aviation Administration (IAA) investigates this unusual phenomenon.
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