Match the following luminosity classes to their description

Match the following luminosity classes to their description. Ia___subgiants Ib___bright giants II___supergiants III___main-sequence IV___bright supergiants V__giants

Solution

Ia ------------------------------------- bright supergiants

Ib ------------------------------------- supergiants

II -------------------------------------- brightgiants

III --------------------------------------giants

IV ---------------------------------------subgiants

V --------------------------------------main-sequence stars