Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the Milky Way — and our best chance to study other planetary systems.

Interstellar visitors like comet 3I/ATLAS are the most common objects in the Milky Way: 'There's almost always one within the solar system'

Source: space
Source Link: https://www.space.com/astronomy/comets/interstellar-visitors-like-comet-3i-atlas-are-the-most-common-objects-in-the-milky-way-theres-almost-always-one-within-the-solar-system