The discovery of interstellar objects passing through our solar system has opened a new chapter in astronomy. To date, only three confirmed interstellar visitors have been detected: 1I/ʻOumuamua in ...

In the past decade, astronomers have witnessed three interstellar objects (ISOs) passing through the solar system. These include the enigmatic 'Oumuamua in 2017, the interstellar comet 2I/Borisov in ...

The total mass loss rate and outflow speed from its 3I/Atlas surface was used to infer its mass. The mass of 3I/ATLAS must be bigger than 33 billion tons. The diameter of its solid-density nucleus ...

There Was Something Unusual About Them. Find Out What.

Astronomers have used the European Southern Observatory's Very Large Telescope (ESO's VLT) to study the composition of 3I/ATLAS, the brightest interstellar object ever seen, in detail. By measuring ...