It sounds like the beginning of a science-fiction novel. An object from the dark void between the stars streaks into our solar system, behaving in ways that defy easy explanation.
Following a sudden, unexpected burst of energy and strange emissions from the object, the world's official planetary defence organisation, in coordination with NASA, has for the first time designated an interstellar visitor as a potential threat. The object is 3I/ATLAS, and it has just become the subject of a global monitoring campaign.
