'Alien comet' visitor has weird composition

'Alien comet' visitor has weird composition External link

image copyrightNRAO/AUI/NSF, S. DagnelloThe 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.

Tagscometinterstellar
Content typelink