When astronomers detected the first known interstellar object, ‘Oumuamua, in 2017, it sparked a host of new studies trying to understand the origin and trajectory of the galactic sojourner. When astronomers detected the first known interstellar object, ‘Oumuamua, in 2017, it sparked a host of new studies trying to understand the origin and trajectory of the galactic sojourner. Planetary Sciences Phys.org – latest science and technology news stories
Many stars could have sent us ‘Oumuamua
