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spectroscopy    音标拼音: [spɛktr'ɑskəpi]
n. 光谱学

光谱学

spectroscopy
n 1: the use of spectroscopes to analyze spectra [synonym:
{spectroscopy}, {spectrometry}, {spectroscopic analysis},
{spectrum analysis}, {spectrographic analysis}]

Spectroscopy \Spec*tros"co*py\, n.
the art and science dealing with the use of a spectroscope,
and the production and analysis of spectra; the action of
using a spectroscope.
[Webster 1913 Suppl. PJC]


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  • Background: Introduction to Spectroscopy - Imagine the Universe!
    Spectroscopy is a complex art - but it can be very useful in helping scientists understand how an object like a black hole, neutron star, or active galaxy is producing light, how fast it is moving, and even what elements it is made of A spectrum is simply a chart or a graph that shows the intensity of light being emitted over a range of energies Spectra can be produced for any energy of
  • X-ray Spectroscopy - Imagine the Universe!
    X-ray Spectroscopy A Series of Lesson Plans by Allie Hajian and Maggie Masetti (NASA GSFC) Rick Fowler (Crossland High School) Angela Page (Hyattsville Elementary School) Objectives - Students will read and write about the chemistry and spectroscopy of stars and supernova remnants, as well as understand their relevance and impact on human life
  • Imagine the Universe!
    With that discovery, scientists had the means to determine the chemical composition of stars through spectroscopy Stars aren't the only objects for which we can identify chemical elements Any spectrum from any object allows us to look for the signatures of elements This includes nebula, supernova remnants and galaxies
  • Supernova Chemistry Lesson Plan - Imagine the Universe!
    Supernova Chemistry Suggested grade levels: 9-12 Estimated class time: 2-3 class periods Lesson plan by Jane Mahon and Ron Dodson of Hoover High School in Hoover, Alabama Summary This lesson gives the student an opportunity to identify elements by using spectroscopy and to relate this activity to astrophysics Students will use spectrometers to measure the spectra of various light sources at
  • Imagine the Universe! Spectra
    Advanced Basic Spectral Analysis In a star, there are many elements present We can tell which ones are there by looking at the spectrum of the star The science of spectroscopy is quite sophisticated From spectral lines astronomers can determine not only the element, but the temperature and density of that element in the star The lines can also tell us about the magnetic field of the star
  • X-ray Spectroscopy Lesson Plan - Imagine the Universe!
    X-ray Spectroscopy Chandra Image of G21 5-0 9 A Series of Lesson Plans by Allie Hajian and Maggie Masetti (NASA GSFC, Greenbelt, MD) Rick Fowler (Crossland High School Temple Hills, Maryland) Angela Page (Hyattsville Elementary School Hyattsville, Maryland) Students will read and write about the spectroscopy of stars and supernova remnants, as well as understand their relevance and impact on
  • X-ray Spectroscopy and the Chemistry of Supernova Remnants Selected . . .
    X-ray Spectroscopy and the Chemistry of Supernova Remnants Selected Worksheet Keys Calculation Investigation – Students learn about unit analysis by converting energies to wavelengths to frequencies
  • Imagine the Universe!
    spectroscopy The study of spectral lines from different atoms and molecules Spectroscopy is an important part of studying the chemistry that goes on in stars and in interstellar clouds spectrum (plural: spectra) A plot of the intensity of light at different frequencies Or the distribution of wavelengths and frequencies Tell me more about
  • Electromagnetic Spectrum - Introduction
    The Electromagnetic Spectrum The electromagnetic (EM) spectrum is the range of all types of EM radiation Radiation is energy that travels and spreads out as it goes the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation The other types of EM radiation that make up the electromagnetic spectrum are
  • Educators Corner - Imagine the Universe!
    National Aeronautics and Space Administration Goddard Space Flight CenterEducators' Corner





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