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Questions and Answers
Which astronomer revolutionized the study of extraterrestrial bodies by applying the telescope to his research in the early 17th century?
Which astronomer revolutionized the study of extraterrestrial bodies by applying the telescope to his research in the early 17th century?
- Isaac Newton
- Galileo (correct)
- Johannes Kepler
- Nicolaus Copernicus
What is the primary function of a telescope?
What is the primary function of a telescope?
- To detect and measure radiation in every region of the electromagnetic spectrum
- To collect and analyze radiation from celestial objects
- To form magnified images of distant objects (correct)
- To enhance observational capability
What is the most important investigative tool in astronomy?
What is the most important investigative tool in astronomy?
- The spectrograph
- The telescope (correct)
- The camera
- The charge-coupled device
What has been developed since Galileo's pioneering work in astronomy?
What has been developed since Galileo's pioneering work in astronomy?
What does a telescope provide a means of doing?
What does a telescope provide a means of doing?
Which component of a modern system for measuring radiation from astronomical sources serves as a 'bucket' for collecting visible light?
Which component of a modern system for measuring radiation from astronomical sources serves as a 'bucket' for collecting visible light?
What is the purpose of the instrument attached to the telescope in a modern system for measuring radiation?
What is the purpose of the instrument attached to the telescope in a modern system for measuring radiation?
What is the primary function of a detector in a modern system for measuring radiation?
What is the primary function of a detector in a modern system for measuring radiation?
When might the sorting of radiation in a modern system be fairly crude?
When might the sorting of radiation in a modern system be fairly crude?
What are the three basic components of a modern system for measuring radiation from astronomical sources?
What are the three basic components of a modern system for measuring radiation from astronomical sources?
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