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Ch. 17 Stars Test Review
Test Description: Stars review
Instructions: Answer all questions to get your test result.
1) What color stars are the hottest?
A
white-blue
B
red-orange
C
blue
D
red
2) The most massive stars collapse to form a _____ or neutron star when they die.
A
neutron star
B
supernova
C
black hole
D
white dwarf
3) The Milky Way is an example of a ____
A
irregular galaxy
B
elliptical galaxy
C
quasar
D
spiral galaxy
4) A ____ is the remains of a star that has no fuel but continues to glow.
A
black dwarf
B
white dwarf
C
supernova
D
nebula
5) A ____ telescope uses mirrors to collect and focus light.
A
optical
B
reflecting
C
relaxing
D
refracting
6) Astronomers use ___ to measure the distance to stars.
A
kilometers
B
miles
C
light-years
D
astronomical units
7) Most stars are in this category on the H-R Diagram.
A
main sequence
B
white dwarf
C
supergiant
D
giant
8) A star's lifetime will depend on its
A
temperature
B
brightness
C
mass
D
color
9) ______ says that the farther a galaxy is away, the faster it is moving.
A
Hubble's THeory
B
Hubble's Law
C
The Big Crunch Theory
D
The Big Bang Theory
10) ____ are the small asteroid-like building blocks of the planets.
A
Planetesimals
B
Planetanimals
C
Comets
D
Planet-blocks
*select an answer for all questions
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