31.1 and .2 Flashcards
(30 cards)
groups of stars that are used to see patterns
constellation
collects and amplifies radio waves
radio telescope
distance light travels in 1 year
light year
uses prisim or derfaction to seperate light
spectroscope
large cloud of dist, ice, and gas
nebula
broad band of stars
main sequence
when the star evolves
giant star
enormas cooler star
white dwarf
area of space that is so dense that nothing can escape
black hole
when a star explodes and leaves neutrons behind
neutron star
a gigantic explosion
supernova
layer of sun that emits light
photosphere
dark cool areas in the photosphere
sunspots
how did constellations get there name
charactors from stories, animals,and tools
what constellation shows the great hunter
orion´s belt
what are orions hunting dogs constellations named
canis major and canis minor mean
what does canis minor mean
small dog
what does canis major mean
big dog
what are the two types of telescopes
reflecting and refracting
why are space telescopes better than ground based telescopes
dont have to worry about pollution and closer to the objects
what is a light year
how far light travels in 1 year
if a star is farther away from earth they apear
red
if a star is farther away it apears
blue
where do stars form from
a nebula