About 50 results
Open links in new tab
  1. nasa.gov
    https://imagine.gsfc.nasa.gov › science › toolbox

    Electromagnetic Spectrum - Introduction - Imagine the Universe!

    Nov 14, 2014 · Radio waves, gamma-rays, visible light, and all the other parts of the electromagnetic spectrum are electromagnetic radiation. Electromagnetic radiation can be described in terms of a …

  2. nasa.gov
    https://imagine.gsfc.nasa.gov › science › toolbox

    Electromagnetic Spectrum - Imagine the Universe!

    Jul 21, 2017 · The electromagnetic spectrum can be expressed in terms of energy, wavelength or frequency. Each way of thinking about the EM spectrum is related to the others in a precise …

  3. nasa.gov
    https://imagine.gsfc.nasa.gov › educators › lessons › xray_spectra › backgrou…

    Background - Electromagnetic Radiation - Imagine the Universe!

    May 7, 2015 · The entire range of energies of light, including both light we can see and light we cannot see, is called the electromagnetic spectrum. It includes, from highest energy to lowest: gamma-rays, …

  4. nasa.gov
    https://imagine.gsfc.nasa.gov › science › toolbox

    Spectra and What They Can Tell Us - Imagine the Universe!

    Nov 20, 2014 · But the electromagnetic spectrum encompasses more than just optical light. It covers all energies of light, extending from low-energy radio waves, to microwaves, to infrared, to optical light, …

  5. nasa.gov
    https://imagine.gsfc.nasa.gov › science › toolbox › spectrum_chart.html

    Regions of the Electromagnetic Spectrum

    Nov 5, 2013 · Astronomer's Toolbox Wavelength, Frequency, and Energy Regions of the Electromagnetic Spectrum Listed below are the approximate wavelength, frequency, and energy …

  6. nasa.gov
    https://imagine.gsfc.nasa.gov › science › toolbox

    Discovering the Electromagnetic Spectrum

    Dec 22, 2014 · It took a bit longer for scientists to discover the higher-energy (shorter wavelength) light in the electromagnetic spectrum. Left: Portrait of Wilhelm Conrad Röntgen who is credited with …

  7. nasa.gov
    https://imagine.gsfc.nasa.gov › educators › lessons › xray_spectra › backgrou…

    Background: Introduction to Spectroscopy - Imagine the Universe!

    Oct 14, 2021 · 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 light - from low-energy radio …

  8. nasa.gov
    https://imagine.gsfc.nasa.gov › science › toolbox

    Observatories Across the Electromagnetic Spectrum

    Nov 18, 2014 · 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 …

  9. nasa.gov
    https://imagine.gsfc.nasa.gov › educators › blackholes › imagine

    The Anatomy of Black Holes - Page 9

    May 7, 2015 · • Electromagnetic radiation can be described in terms of a stream of photons (massless packets of energy), each traveling in a wave-like pattern, moving at the speed of light. The only …

  10. nasa.gov
    https://imagine.gsfc.nasa.gov › science › activities › emspectrum_quiz.html

    Electromagnetic Spectrum Quiz - Imagine the Universe!

    Nov 5, 2013 · Electromagnetic Spectrum Quiz Which of the following is correct in order of lowest to highest energy? [A] X-rays, Visible Light, Microwave [B] Ultraviolet, Visible Light, Gamma-rays [C] …