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EarthSciChapter2A
Test Description: EarthSciChapter2A
Instructions: Answer all questions to get your test result.
1) a mount for holding a telescope that is easily adjusted for altitude and azimuth
A
gnomon
B
equatorial
C
refractor
D
altazimuth
2) the distortion of color around an image, common in refractor telescopes
A
composite
B
chromatic aberration
C
resolution
D
honeycomb
3) a mount for holding a telescope in which the tube is attached to a shaft pointing to the celestial pole
A
quadrant
B
radio
C
altazimuth
D
equatorial
4) a device used by astronomers to determine the time of day and time of year from shadows cast in sunlight
A
radio
B
honeycomb
C
gnomon
D
meniscus
5) a telescope mirror molded over an open-celled structure to reduce the mirror’s weight
A
honeycomb
B
composite
C
refractor
D
meniscus
6) an extremely thin telescope mirror
A
radio
B
meniscus
C
composite
D
segmented
7) an instrument used to locate a star’s position by measuring the angle the star makes with the horizon
A
gnomon
B
quadrant
C
altazimuth
D
equatorial
8) a telescope made of a receiver and antenna that focuses, amplifies, and analyzes radio frequency waves from space
A
meniscus
B
radio
C
composite
D
refractor
9) a telescope that uses a concave mirror to bring the light from an object to a focal point
A
gnomon
B
equatorial
C
reflector
D
refractor
10) a telescope that uses a lens to bring the light from an object to a focal point and then magnifies the light with an eyepiece lens
A
reflector
B
refractor
C
honeycomb
D
meniscus
11) the ability to see detail in an image
A
gnomon
B
quadrant
C
chromatic aberration
D
resolution
12) a telescope mirror that consists of several smaller mirrors that fit together
A
meniscus
B
segmented
C
altazimuth
D
refractor
*select an answer for all questions
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