It has been narrowed down to four possible star systems from which ‘Oumuamua originated from
Distant exoplanet “weighed” by space observatories
Prolonged data collect by ESA’s Gaia and Hipparcos satellites revealed the mass of exoplanet Beta Pictoris b
How do we find exoplanets using their star’s speed?
It’s a way of finding distant worlds, so how does it work?