A highly unusual object was spotted traveling through the solar system in 2017. Given a Hawaiian name,ʻOumuamua, it was small and elongated—a few hundred meters by a few tens of meters, traveling at a speed fast enough to escape the Sun’s gravity and move into interstellar space.
![](https://scx1.b-cdn.net/csz/news/tmb/2021/hasearthbeen.jpg)
Source:
https://phys.org/news/2021-02-earth-alien-spaceship-harvard-professor.html