sci vocab for the 5th time Flashcards
Visible brightness of an object
apparent magnitude
Two stars orbiting one another
bionary star
small extremely dead star remnant with no light escapes
black hole
Layer of star between photosphere and Corona
chromosphere
group of stars with a recognizable pattern
constellation
top layer of star
Corona
process of splitting heavier nuclei into lighter nuclei
fission
process of combining nuclei
Fusion
graph relating to stellar characteristics of class, mass, temperature, etc.
Hertz Sprung - Russell diagram
energy output from surface of stars per second
luminosity
on the HR diagram the broad, diagonal band containing 90% of stars
Main
large clouds of interstellar gas and dust
Interstellar cloud
collapsed, dense core of star made up of mostly neutrons
neutron star
apparent position shift of object due to motion of observer
parallax
distance equal to 3.26 light years
parsec