6th grade space

The brightness of stars

• magnitude

• luminosity

• nova

• pulsar

How bright a star appears to us

• absolute magnitude

• apparent magnitude

True brightness of a star is _______________ magnitude.

star that spins rapidly on its axis

• nova

• nebula

• pulsar

happens when supergiant collapses to very dense core

A cloud of dust, gases, and debris

• supergiant

• gaseous state

• nova

• nebula

when an existing star flares and becomes brighter

THe death explosion of a star

a light year is the distance that light travels in one year

• true

• false

The apparent movement or change in position of one star in relation to another is known as

• parallax

• red shift

• blue shift

• pulsar