Science - Quiz 34 (sun and stars) Flashcards
the dark patches on the sun caused by the sun’s magnetic field
sunspots
larger-than-normal convection cells that cover the sun’s surface and last from 12 to 24 hours
supergranules
the group of small, dim stars outside the main sequence
white dwarfs
the visible surface of the sun is called…
photosphere
the thin layer of the sun’s atmosphere that releases ultraviolet radiation
transition region
half of the angle that a star appears to move on the celestial sphere when viewed from opposite sides of Earth’s orbit
stellar parallax
the primary factor that determines a star’s color
surface temperature
this characteristic makes giants and supergiants extremely bright
size
the feature of the sun’s surface that is the same as a solar prominence but viewed from a different angle
filament
the two main characteristics that influence a star’s absolute magnitude
temperature and size