Ch. 10 Practice Test

The brightness of a star is called its ____.

• variability

• redshift

• parallax

• magnitude

The measurement of a star's apparent movement over time is known as ____.

• variability

• redshift

• parallax

• magnitude

____ are the largest and brightest stars.

• Neutron stars

• Supergiants

• Giants

• Supernovas

When an existing star flares up and becomes brighter than normal, it is called a ____.

• dwarf

• supergiant

• nebula

• nova

Stars that regularly or repeatedly change in magnitude are called ____.

• giants

• blue stars

• variable stars

• pulsars

A neutron star that spins rapidly on its axis is called a ____.

• pulsar

• giant star

• nova

• red star

A cloud of dust, gases, and debris is called a ____.

• dwarf

• nebula

• nova

• super giant

Smaller stars, like our sun, are ____.

• dwarf stars

• pulsars

• neutron stars

• giants

When a massive supergiant star collapses and disappears from space, scientists call what is left a ____.

• supernova

• neutron star

• black hole

• pulsar

A group of stars that form a pattern is called a(n) __________.

• globular star cluster

• constellation

• open star cluster

• galaxy