**Question:**State 2 properties of stars that you can derive by using a spectrometer. Explain how the spectrometer accomplishes each of the items you mentioned.**Explanation:**A spectrometer is an instrument that analyzes the light from stars to determine various properties. Here are two properties that can be derived:1. **Chemical Composition:** - **How it's accomplished:** When light from a star passes through a spectrometer, it is spread into a spectrum of colors, similar to a rainbow. Each element in the star's atmosphere absorbs light at specific wavelengths, creating dark lines in the spectrum known as absorption lines. By analyzing these lines, scientists can identify which elements are present in the star's atmosphere.2. **Radial Velocity:** - **How it's accomplished:** The Doppler effect causes the absorption lines in a star’s spectrum to shift depending on the star’s motion relative to Earth. If the star is moving towards us, the lines shift towards shorter wavelengths (blue shift), and if it's moving away, they shift towards longer wavelengths (red shift). By measuring this shift, astronomers can calculate the radial velocity of the star, indicating its speed and direction of motion along our line of sight.

Spectrometer is an instrument which uses a glass prism (in the case of analysis of stars) that helps…

Answered: State 2 properties of stars that you…

State 2 properties of stars that you can derive by using a spectrometer. Explain how the spectrometer accomplishes each of the items you mentioned.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Wien's displacement law

Students often get confused between Wien's displacement law and Planck's radiation law. Although both are historically related, yet they are conceptually different. Planck's law helps determine the spectrum of a blackbody, while Wien's law determines the relationship between peak wavelength and temperature.

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