Astronomy from Space Vehicles Is Particularly Useful Because the Telescope

question 205

Multiple Choice

Astronomy from space vehicles is particularly useful because the telescope

• A) is in a gravity-free state; the mirror is not distorted by gravitational stress and can therefore produce sharper images.
• B) moves smoothly and without vibration in a constant orbit and can therefore produce sharp photographs.
• C) is above Earth's absorbing and distorting atmosphere and can measure radiation over a very wide wavelength range.
• D) is in a clean, dust-free environment and scattered light is much reduced.

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