Radio telescopes which use dishes to gather radio waves are _______ telescopes.
A) reflecting
B) refracting
C) deflecting
D) compound
E) retracting
Correct Answer:
Verified
Q40: What is the ratio of the light-gathering
Q41: What statement below best describes the refraction
Q42: CCD stands for a
A)photometer.
B)charge-coupled device.
C)spectrograph.
D)core collapse device.
E)grating.
Q43: What is the ratio of the light-gathering
Q44: A telescope whose primary is a lens
Q46: The main reason for positioning many radio
Q47: A _ is used to produce and
Q48: Which has the larger light-gathering power
A)a telescope
Q49: There are _ nanometers in one meter.
A)1
Q50: What is the wavelength of the
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