Name Block. Telescopes That Use \"Invisible Light\" 1. On the surface, what type
ID: 120121 • Letter: N
Question
Name Block. Telescopes That Use "Invisible Light" 1. On the surface, what type of telescope would you want to use to make deep space observations during the day? 2. What is interferometry? 3. Why do we use interferometry? 4. Why don't we use UV, X-ray or Gamma-Ray observations on the surface of earth? 5. Where are can the following telescopes placed for viewing? d. X-ray: a. Microwave: b. Visible: c Ultraviolet: e. Gamma ray 6. What types of objects can you view using a radio telescope? 7. What types of objects can you view using an infrared telescope? 8. What types of objects can you view using a microwave telescope? What types of objects can you view using a visible telescope? 9. 1o. What types of objects can you view using an ultraviolet telescope? u. What types of objects can you view using an x-ray telescope?Explanation / Answer
1) NASA Hubble Space Telescope, Hubble Space Telescope, Keck telescopes etc
2) 'Interferometry' is a measurement method using the phenomenon of interference of waves (usually light, radio or sound waves). The measurements may include those of certain characteristics of the waves themselves and the materials that the waves interact with. In addition, interferometry is used to describe the techniques that use light waves for the study of changes in displacement. This displacement measuring interferometry is extensively used for calibration and mechanical stage motion control in precision machining.
3) Interferometry (in this case “astronomical interferometry”) is a technique that astronomers use to obtain the resolution of a large telescope by using multiple smaller telescopes. Interferometers are investigative tools used in many fields of science and engineering. They are called interferometers because they work by merging two or more sources of light to create an interference pattern, which can be measured and analyzed; hence "Interfere-ometer".
4) Astronomers use a number of telescopes sensitive to different parts of the electromagnetic spectrum to study objects in space. Even though all light is fundamentally the same thing, the way that astronomers observe light depends on the portion of the spectrum they wish to study.
For example, different detectors are sensitive to different wavelengths of light. In addition, not all light can get through the Earth's atmosphere, so for some wavelengths we have to use telescopes aboard satellites. Even the way we collect the light can change depending on the wavelength. Radio waves can make it through the Earth's atmosphere without significant obstacles. In fact, radio telescopes can observe even on cloudy days. That's why we don't use other rays for earth surface observations.
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