it's a star
space, the freaky frontier
do you see what I see?
is that getting bigger?
I don't think it works like that
100
the brightness of a star is called its
magnitude
100
a cloud of dust, gases and debris is called a ___
nebula
100
the galaxy in which we live is called
the milky way
100
what is the scientific study of stars called?
astronomy
100
Which star is the closest star to earth
the sun
200
the largest and brightest stars are called
supergiants
200
when a massive supergiant star collapses in on itself and becomes invisible and extremely dense, scientists call this a
black hole
200
stars that regularly or repeatedly change in magnitude are called ___
variable stars
200
a star system containing two stars is called a
binary star system
200
cold stars are ____ in color, hot stars are ____
yellow to red; blue to white
300
smaller stars, like our Sun and Proxima Centauri are called
dwarf stars
300
A group of stars that form a pattern is called a(n)
constellation
300
when an existing star flares up and becomes brighter than normal, it is called a ____
nova
300
What kind of telescope bends light to make it bigger
refracting teloscope
300
the measurement of a star's apparent movement over time is known as ___.
parallax
400
a ____ is a large group of stars held together by gravity
star cluster
400
a space object that is made of irregularly shaped pieces of rock, metal, and dust
asteroid
400
What's the difference between the apparent magnitude of a star and its absolute magnitude
apparent is how bright it seems to us, absolute is how bright it really is
400
what kind of telescope is the hubble telescope, which uses a giant, curved mirror
reflecting
400
using horoscopes and the idea that the stars can affect our lives is called
astrology
500
a neutron star that spins rapidly on its axis is called a
pulsar
500
a chunk of frozen gases, water, and dust that orbits the sun
comet
500
What is the difference between a meteoroid, a meteor and a meteorite.
a meteoroid is a rocky object in space, it is called a meteor when burning through the earth's atmosphere, and a meteorite when it lands
500
what kind of telescope takes in light and separates it into its different colors?
spectroscope
500
what constellation is shown here?
Cassiopeia