We still don’t know where the first interstellar asteroid came from
Clues from ‘Oumuamua’s speed and trajectory lead to answers all over the sky map
![illustration of 'Oumuamua](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/12/113017_LG_interstellar-anderoid_main.jpg?fit=860%2C460&ssl=1)
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