Mysterious radio signal from space repeated every 36 minutes for eight days
deepseek / deepseek-v4-flash
- Astronomers discovered a radio signal ASKAP J1424 in January 2025 that repeated every 36 minutes for eight days, then disappeared.
- The signal was detected by the ASKAP telescope as part of the EMU project, which surveys large areas of the sky.
- Follow-up infrared observations revealed no visible object at the signal’s location.
- ASKAP J1424 belongs to a rare group of long-period transients, with only about a dozen discovered so far.
- Possible sources include magnetars or white dwarfs, but the true nature of the object remains unknown.