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A graph showing the emission spectrum of Hydrogen. It is a long black rectangle with an axis at the bottom indicating wavelength in angstroms. At four wavelengths there are colored lines, showing characteristic emission and absorption lines in the visible part of the spectrum.

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https://files.mastodon.social/media_attachments/files/111/195/063/471/272/687/original/f952bb2d60fd7c06.jpeg

Notices where this attachment appears

  1. Robert McNees (mcnees@mastodon.social)'s status on Saturday, 07-Oct-2023 18:07:04 UTC Robert McNees Robert McNees
    in reply to

    Classical physics was already having problems with atomic phenomena.

    Atoms were known to emit and absorb light preferentially at certain wavelengths. The "spectral lines" fit simple patterns but had no known explanation.

    Image: Emission spectrum of Hydrogen

    In conversation about a year ago from mastodon.social permalink
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Chirp! is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.

Creative Commons Attribution 3.0 All Chirp! content and data are available under the Creative Commons Attribution 3.0 license.