File:JanskywGraph.jpg
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Original file (1,500 × 1,920 pixels, file size: 1.47 MB, MIME type: image/jpeg)
| This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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Summary
| DescriptionJanskywGraph.jpg |
English: Jansky with a rough map of the night sky and pointing to the constellation of Cassiopeia. The wavy lines track the radio emissions he discovered on the chart paper, which also line up with the disk of the Milky Way. |
| Date | end of the 1920s - early 1930s |
| Source | https://public.nrao.edu/gallery/karl-jansky-with-his-milky-way-map/ |
| Author | NRAO/AUI/NSF |
Licensing
| All images and videos released by NRAO on their website are copyright protected on behalf of the National Radio Astronomy Observatory (NRAO), Associated Universities, Inc. (AUI), and the National Science Foundation (NSF), and are licensed for use under the Creative Commons Attribution 4.0 Unported license (https://creativecommons.org/licenses/by/4.0/) in accordance with the conditions below. See the NRAO Image Use Policy for complete information.
Conditions:
Notes:
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This file is licensed under the Creative Commons Attribution 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
Captions
Jansky with a rough map of the night sky and pointing to the constellation of Cassiopeia. The wavy lines track the radio emissions he discovered on the chart paper, which also line up with the disk of the Milky Way.
Items portrayed in this file
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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 04:48, 11 July 2025 | 1,500 × 1,920 (1.47 MB) | Artem.G | Uploaded a work by NRAO/AUI/NSF from https://public.nrao.edu/gallery/karl-jansky-with-his-milky-way-map/ with UploadWizard |
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Metadata
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If the file has been modified from its original state, some details may not fully reflect the modified file.
| Width | 1,500 px |
|---|---|
| Height | 1,920 px |
| Bits per component | 8 |
| Compression scheme | Uncompressed |
| Pixel composition | Black and white (Black is 0) |
| Orientation | Normal |
| Number of components | 1 |
| Horizontal resolution | 72 dpi |
| Vertical resolution | 72 dpi |
| Software used | Adobe Photoshop CS6 (Macintosh) |
| File change date and time | 11:49, 17 April 2013 |
| Exif version | 2.21 |
| Color space | sRGB |
| Unique ID of original document | adobe:docid:photoshop:6773fb17-9a8e-11d8-aa3b-8d98ea4df3fb |
| Date and time of digitizing | 06:13, 28 April 2004 |
| Date metadata was last modified | 07:49, 17 April 2013 |
| Copyright status | Copyright status not set |
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