A new generation of telescopes is currently being built that overcomes the limitations of the older large telescopes.Some of these new telescopes
A) use segmented mirrors.
B) use mirrors that are very thin.
C) use active optics to control the shape of the mirror.
D) all of the above
Correct Answer:
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Q15: Infrared astronomy is often done from high-flying
Q16: _ has (have) wavelengths that are longer
Q17: What is the energy of the photon
Q18: The ability of a telescope to reveal
Q19: A wave traveling at a speed of
Q21: The resolving power of a telescope with
Q22: In modern astronomy,an interferometer
A) is the highest
Q23: A telescope whose objective is a lens
Q42: CCD stands for a
A)photometer.
B)charge-coupled device.
C)spectrograph.
D)core collapse device.
E)grating.
Q52: Observations of radio waves from astronomical objects
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