the brightness of a star
magnitude
neutron star that spins rapidly on its axis
pulsar
the measurement of a starts apparent movement over time
parallax
when an existing star flares up and becomes brighter than normal
Nova
telescopes that bend light to make objects seem larger
refraction telescopes
smaller stars like our sun
dwarf stars
when a massive supergiant star collapses and idsapperars from space what is left
black hole
contains two starts
binary system
stars that regularly or repeatedly change in magnitude are called
variable stars
what color are the hottest stars
blue
a large group of stars held together by gravity
star cluster
a cloud of dust gases and debris
nebula
two or three stars held together by gravity
multiple star group
what are the largest and brightest stars
super giants
the study of stars
astronomy
stars are glowing ball of what that produce light
gases
what is the closest start to earth
the sun
a huge start system that covers many light years of space
galaxy
a group of stars that form a pattern
constellation
what constellation looks like a crown
Cassiopeia
what breaks up starlight into colors
spectroscope
what is the galaxy we live in
the milky way
made of irregularly shaped pieces of rock metal and dust
asteroid
a chunk of frozen gases water and dust that orbits the sun
comet
what constellation looks like a man with a bow
Orion