There's a mysterious rock traveling through our solar system, and it's making headlines again. Could it in fact not be a rock at all, but an alien probe? Let's look at what the evidence has to say.

A few days ago, I got an early morning text from a friend: “news says we have an alien probe. Please advise.” Part of my duty as an astrophysicist is, of course, to be able to warn my friends of an alien invasion—so I was worried I had failed. The press often sensationalizes headlines in order to get eyeballs on their articles, but a quick search told me this claim was even coming from astronomers. This deserved a proper investigation!

 

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