What does HH stand for?
HH stands for "Herbig–Haro object"
How to abbreviate "Herbig–Haro object"?
"Herbig–Haro object" can be abbreviated as HH
What is the meaning of HH abbreviation?
The meaning of HH abbreviation is "Herbig–Haro object"
What does HH mean?
HH as abbreviation means "Herbig–Haro object"
