# การแผ่รังสีพื้นหลังของเอกภพ
## Noun (N)
### Sense: (cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin
- cosmic background radiation
- CBR
- cosmic microwave background radiation
- CMBR
- cosmic microwave background
- CMB