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  1. Electromagnetic Spectrum - Introduction - Imagine the Universe!

    Nov 14, 2014 · 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 …

  2. 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. Spectra - Introduction - Imagine the Universe!

    Nov 20, 2014 · The resultant rainbow is really a continuous spectrum that shows us the different energies of light (from red to blue) present in visible light. But the electromagnetic spectrum …

  4. Regions of the Electromagnetic Spectrum

    Nov 5, 2013 · Regions of the Electromagnetic Spectrum Listed below are the approximate wavelength, frequency, and energy limits of the various regions of the electromagnetic spectrum.

  5. Imagine the Universe!

    Sep 24, 2020 · The full electromagnetic spectrum. (Credit: NASA's Imagine the Universe) The spectrum of the Sun appears as a continuous spectrum and is frequently represented as shown below. This …

  6. Background: Introduction to Spectroscopy - Imagine the Universe!

    Oct 14, 2021 · 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, …

  7. Astronomer's Toolbox - Imagine the Universe!

    Dec 11, 2018 · Astronomers need to collect light from across the electromagnetic spectrum to completely understand a celestial object. Use the links below to explore how astronomers use the …

  8. Observatories Across the Electromagnetic Spectrum

    Nov 18, 2014 · Observatories Across the Electromagnetic Spectrum Astronomers use a number of telescopes sensitive to different parts of the electromagnetic spectrum to study objects in space. …

  9. 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 …

  10. Background - Electromagnetic Radiation - Imagine the Universe!

    May 7, 2015 · Using the text and any external references, define the following terms: radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays, light energy, photon, electromagnetic …