We don’t get all that many visitors in our quiet corner of the galaxy. In fact the comet 2I/Borisov is only the second interstellar visitor we’ve welcomed to our solar system, following ‘Oumuamua in 2017.
Scientists have discovered that a comet called 2I/Borisov – only the second interstellar object ever detected passing through the solar system – is surprisingly different in its composition from comets hailing from our celestial neighborhood.
Interstellar comet 2I — Borisov swings past sun
Wednesday, October 16th 2019, 5:00 pm – Hubble zooms in on our latest intersellar visitor
Astronomers have revealed that comet 2I/Borisov is remarkably similar to comets from our own solar system.
New observations show that 2I/Borisov looks like a comet, just what astronomers expected
