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B & W Chapter 21 Test

Enter the letter for the matching Answer
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1.
GLOBULAR CLUSTER
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2.
HUBBLE'S LAW
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3.
ELLIPTICAL GALAXY
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4.
VISIBLE LIGHT
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5.
HERTZSPRUNG-RUSSELL DIAGRAM
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6.
QUASAR
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7.
PULSAR
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8.
SPIRAL GALAXY
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9.
UNIVERSE
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10.
WAVELENGTH
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11.
NEUTRON STAR
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12.
TELESCOPE
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13.
CONVEX LENS
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14.
IRREGULAR GALAXY
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15.
OBSERVATORY
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16.
BINARY STAR
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17.
APPARENT BRIGHTNESS
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18.
ECLIPSING BINARY
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19.
SPECTRUM
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20.
DARK MATTER
A.
AN ENORMOUSLY BRIGHT, DISTANT GALAXY WITH A GIANT BLACK HOLE AT ITS CENTER
B.
THE OBSERVATION THAT THE FARTHER AWAY A GALAXY IS, THE FASTER IT IS MOVING AWAY
C.
A BUILDING THAT CONTAINS ONE OR MORE TELESCOPES
D.
MATTER THAT DOES NOT GIVE OFF ELECTROMAGNETIC RADIATION BUT IS QUITE ABUNDANT IN THE UNIVERSE
E.
THE RANGE OF WAVELENGTHS OF ELECTROMAGNETIC WAVES
F.
THE DISTANCE BETWEEN THE CREST OF ONE WAVE TO THE CREST OF THE NEXT WAVE
G.
A STAR SYSTEM WITH TWO STARS
H.
A LARGE, ROUND, DENSELY-PACKED GROUPING OF OLDER STARS
I.
A GALAXY THAT DOES NOT HAVE A REGULAR SHAPE
J.
ALL OF SPACE AND EVERYTHING IN IT
K.
ELECTROMAGNETIC WAVES THAT ARE VISIBLE TO THE HUMAN EYE
L.
A BINARY STAR SYSTEM IN WHICH ONE STAR PERIODICALLY BLOCKS THE LIGHT FROM THE OTHER
M.
A GALAXY SHAPED LIKE A ROUND OR FLATTENED BALL, GENERALLY CONTAINING ONLY OLD STARS
N.
THE SMALL, DENSE REMAINS OF A HIGH-MASS STAR AFTER A SUPERNOVA
O.
A GALAXY WITH A BULGE IN THE MIDDLE AND ARMS THAT SPIRAL OUTWARD IN A PINWHEEL PATTERN
P.
A GRAPH RELATING THE SURFACE TEMPERATURES AND ABSOLUTE BRIGHTNESSES OF STARS
Q.
A PIECE OF TRANSPARENT GLASS CURVED SO THAT THE MIDDLE IS THICKER THAN THE EDGES
R.
THE BRIGHTNESS OF A STAR AS SEEN FROM EARTH
S.
A DEVICE BUILT TO OBSERVE DISTANT OBJECTS BY MAKING THEM APPEAR CLOSER
T.
A RAPIDLY SPINNING NEUTRON STAR THAT PRODUCES RADIO WAVES
Type the Question that corresponds to the displayed Answer.
incorrect
21.
THE BLUE-WHITE HOT CORE OF A STAR THAT IS LEFT BEHIND AFTER ITS OUTER LAYERS HAVE EXPANDED AND DRIFTED OUT INTO SPACE
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22.
A DIAGONAL AREA ON AN H-R DIAGRAM THAT INCLUDES MORE THAN 90% OF ALL STARS
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23.
A HUGE GROUP OF SINGLE STARS, STAR SYSTEMS, STAR CLUSTERS, DUST, AND GAS BOUND TOGETHER BY GRAVITY
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24.
A MATHEMATICAL METHOD OF WRITING NUMBERS USING POWERS OF TEN
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25.
A MYSTERIOUS FORCE THAT APPEARS TO BE CAUSING THE EXPANSION OF THE UNIVERSE TO ACCELERATE
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26.
THE CLOUD-LIKE REGION OF GASES LEFT OVER IN THE REMAINS OF A SHRINKING, SUN-SIZED STAR
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27.
A DEVICE USED TO DETECT RADIO WAVES FROM OBJECTS IN SPACE
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28.
AN EXPLOSION OF A MASSIVE STAR
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29.
THE APPARENT CHANGE IN POSITION OF AN OBJECT WHEN SEEN FROM DIFFERENT PLACES
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30.
A STAR CLUSTER THAT HAS A LOOSE, DISORGANIZED APPEARANCE AND CONTAINS NO MORE THAN A FEW THOUSAND STARS

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