File:Speed of Light Experiment San Jacinto Mountain.jpg
![File:Speed of Light Experiment San Jacinto Mountain.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Speed_of_Light_Experiment_San_Jacinto_Mountain.jpg/800px-Speed_of_Light_Experiment_San_Jacinto_Mountain.jpg?20201027035759)
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Summary
[edit]DescriptionSpeed of Light Experiment San Jacinto Mountain.jpg |
English: County of Riverside
Historical Maker No. 26 Speed-of-Light Experiment From this location instruments reflected light in 1926 to Mount Wilson, 82 miles northwest. The work was one of a series of experiments conducted by Nobel Prize-winning scientist Dr. Albert A. Michelson to refine the value of the speed of light. Although smoke generated in the valley below prevented measurements from being taken, the experiment encouraged Dr. Michelson to devise more accurate means of measuring the speed of light. Marker donated by San Jacinto Mountain residents and placed in cooperation with the Billy Holcomb Chapter of E Clampus Vitus and the Riverside County Historical Commission. |
Date | |
Source | Own work |
Author | Mary Rysdale |
Camera location | 33° 45′ 33.05″ N, 116° 44′ 41.45″ W ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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This image was uploaded as part of Wiki Loves Monuments 2020.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:57, 27 October 2020 | ![]() | 4,032 × 1,960 (1.46 MB) | M Rysdale (talk | contribs) | Uploaded own work with UploadWizard |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | samsung |
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Camera model | SM-G892A |
Exposure time | 1/120 sec (0.0083333333333333) |
F-number | f/1.7 |
ISO speed rating | 200 |
Date and time of data generation | 18:31, 8 September 2020 |
Lens focal length | 4.25 mm |
User comments | JKJK0
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Latitude | 33° 45′ 33.05″ N |
Longitude | 116° 44′ 41.44″ W |
Altitude | 1,842.793 meters above sea level |
Width | 4,032 px |
Height | 1,960 px |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | G892AUCS5CTH1 |
File change date and time | 18:31, 8 September 2020 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 18:31, 8 September 2020 |
Meaning of each component |
|
APEX shutter speed | 6.904 |
APEX aperture | 1.53 |
APEX brightness | 2.32 |
APEX exposure bias | 0 |
Maximum land aperture | 1.53 APEX (f/1.7) |
Metering mode | Center weighted average |
Light source | Unknown |
Flash | Flash did not fire |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Scene type | A directly photographed image |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Focal length in 35 mm film | 26 mm |
Scene capture type | Standard |
Unique image ID | F12QSJA00SM F12QSKB01SB |
GPS time (atomic clock) | 01:31 |
GPS date | 9 September 2020 |
GPS tag version | 0.0.2.2 |
Structured data
Items portrayed in this file
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8 September 2020
33°45'33.052"N, 116°44'41.446"W
0.00833333333333333333 second
1.7
4.25 millimetre
200
image/jpeg
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