Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Russian
Terms
for subject
Astronomy
containing
Yerkes system
|
all forms
|
in specified order only
English
Russian
Yerkes spectral classification system
Йоркская система спектральной классификации
(звезд)
Yerkes system
Йеркская система цветов звезд
Get short URL