# ค่าคงตัวของฮับเบิล
## Noun (N)
### Sense: (cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today
- Hubble's constant
- Hubble constant
- Hubble's parameter
- Hubble parameter