https://www.universetoday.com/articles/there-should-be-about-7-interstellar-objects-passing-through-the-inner-solar-system-every-year
A new study led by the Initiative for Interstellar Studies (i4is) has found that interstellar objects like 'Oumuamua visit our Solar System seven times a year!
interstellar objectspassing
https://newatlas.com/space/solar-slingshot-spacecraft-interstellar-objects/
An MIT researcher proposes using solar sails to position deep-space probes on the edge of the solar system that could lay in wait before being unleashed and...
interstellar objectssolarslingshotcouldhelp