Summary:
- Astronomers have detected a mysterious fast radio burst (FRB) that came from an unknown location in space, puzzling experts.
- FRBs are powerful, millisecond-duration radio pulses that originate from distant galaxies, but the source of this particular FRB is unclear.
- The FRB, named FRB 20200120E, is the closest one ever detected, coming from a nearby dwarf galaxy, which makes its origin even more mysterious and challenging to understand.