شعاع ِ هابل
šo'â'-e Hubble (#)
Fr.: rayon de Hubble
The size of the observable Universe as derived from the ratio c/H0,
where H0 is the → Hubble constant and c
the → speed of light. Same as
→ Hubble distance, → Hubble length,
and → cosmic horizon.
→ Hubble; → radius.