ALIEN ASTEROID This artist’s representation of interstellar asteroid ‘Oumuamua shows its unusual shape: 400 meters long and just about 40 meters wide. No asteroids in the solar system are shaped like that.
M. Kornmesser/European Southern Observatory
ALIEN ASTEROID This artist’s representation of interstellar asteroid ‘Oumuamua shows its unusual shape: 400 meters long and just about 40 meters wide. No asteroids in the solar system are shaped like that.
M. Kornmesser/European Southern Observatory