New observations and analysis of the recently-discovered comet C/2019 Q4 have confirmed its hyperbolic orbit and interstellar origin. Experts from the...
Using several ground-based telescopes on La Palma and Hawaii, astronomers have observed C/2019 Q4, the first-known interstellar comet and the second-known...
Astronomers have spotted what they believe is the second object of interstellar origin ever observed in the Solar System.
Comet C/2019 Q4. Image credit:...
