‘Alien Comet’ Visitor has Weird Composition

'Alien Comet' Visitor has Weird Composition
The first known comet to visit us from another star
system has an unusual make-up, according to new research.

     The interstellar comet 2I/Borisov was detected in our Solar System last year.

This mysterious visitor from the depths of space has provided

By Paul Rincon
BBC News

astronomers with an unprecedented opportunity to compare it to comets that formed around the Sun.

New data suggests it contains large amounts of carbon monoxide – a possible clue to where it was “born”.

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