Chapter10 Flashcards
Scienec
A cloud of dust, gases, and debris
nebula
True brightness of a star
absolute magnitude
The death explosion of a star
supernova
Neutron star that spins rapidly on its axis
pulsar
May occur when a supergiant collapses to a very dense core
neutron star
An existing star flares an becomes brighter
nova
The brightness of stars
magnitude
How bright a star appears to us
apparent magnitude
Number the stars from smallest to largest
A giant stars
B dwarf stars
C supergiants
1 dwarf stars
2 giant stars
3 supergiants
The apparent movement or change in position of one star in relationship to other stars
Parallax
The closest star to earth
sun
The distance that light travels in one year
a light year
A supergiant star that collapses and disappears from earth
black hole
Star the regularly or repeatedly changes in magnitude
Variable star
The coldest star color
red
The hottest star color
blue