Radio Astronomy Has Played a Pivotal Role in Showing Us

question 13

Multiple Choice

Radio astronomy has played a pivotal role in showing us the detailed structure of the Milky Way Galaxy. Which of the following techniques would a radio astronomer use as an essential part of an investigation of this structure?

• A) measuring the Doppler shift of a line in a radio spectrum
• B) taking a photograph of the sky in the direction of the Big Dipper
• C) using a CCD and a filter to record the amount of light from the stars in a nearby open cluster
• D) measuring the amount of synchrotron radiation from the Crab Nebula
• E) measuring the amount of radio radiation coming from the direction of Jupiter and other planets in the solar system

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Children

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Financial Problems

Issues related to managing money, including debts, insufficient income, or inability to meet expenses.

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