5th-6th Science Chapter 9 Review, Part 2 Question Preview (ID: 41583)
Chapter 9- Stars.
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A ___ is a large group of stars held together by gravity.
a) constellation
b) star cluster
c) supergiant
d) galaxy
A cloud of dust, gases, and debris is called a ___.
a) nova
b) super giant
c) dwarf
d) nebula
The measurement of a star's apparent movement over time is known as ____.
a) parallax
b) magnitude
c) variableness
d) redshift
A neutron star that spins rapidly on its axis is called a ____.
a) nova
b) red star
c) giant star
d) pulsar
When an existing star flares up and becomes brighter than normal, it is called a ___.
a) supergiant
b) nova
c) dwarf
d) nebula
Smaller stars, like our sun, are ____.
a) nuetron stars
b) pulsars
c) dwarf stars
d) giants
contains two stars
a) multiple star group
b) galaxy
c) comet
d) binary system
a chunk of frozen gases, water, and dust that orbits the sun
a) asteroid
b) comet
c) galaxy
d) binary system
made of irregularly shaped pieces of rock, metal, and dust
a) asteroid
b) comet
c) galaxy
d) multiple star group
two or three stars held together by gravity
a) comet
b) galaxy
c) multiple star group
d) binary system
a huge star system that covers many light-years of space
a) binary system
b) galaxy
c) comet
d) asteroid
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