Why Do Astronomers Need Different Telescope Designs to Observe Across

question 16

Multiple Choice

Why do astronomers need different telescope designs to observe across the electromagnetic spectrum?

• A)Telescopes have to adapt to the greater distortion of the atmosphere at shorter wavelengths.
• B)Because light pollution is worse at radio wavelengths than visible wavelengths
• C)Photons of different energy behave differently and require different collection strategies.
• D)New telescopes incorporate new technology to increase their efficiency.
• E)Astronomers and engineers enjoy the challenge of making new telescope designs.

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Wilshire 5000

A metric assessing the performance of all equity securities based in the U.S. for which price information is easily accessible.

DJIA

Stands for Dow Jones Industrial Average, which is a stock market index that measures the stock performance of 30 large companies listed on stock exchanges in the United States.

DAX

The Deutscher Aktienindex, a major stock market index consisting of the 30 major German blue chip companies trading on the Frankfurt Stock Exchange.

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Short-term debt instruments issued by a company that is guaranteed by a commercial bank.