File:Hailstones (11 August 2010) (Elk Park Pass, northeast of Butte, Montana, USA) 4.jpg
![File:Hailstones (11 August 2010) (Elk Park Pass, northeast of Butte, Montana, USA) 4.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Hailstones_%2811_August_2010%29_%28Elk_Park_Pass%2C_northeast_of_Butte%2C_Montana%2C_USA%29_4.jpg/800px-Hailstones_%2811_August_2010%29_%28Elk_Park_Pass%2C_northeast_of_Butte%2C_Montana%2C_USA%29_4.jpg?20210327060755)
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Summary
editDescriptionHailstones (11 August 2010) (Elk Park Pass, northeast of Butte, Montana, USA) 4.jpg |
English: Hailstones consisting of cloudy ice, generated by a late afternoon storm on 11 August 2010 at Elk Park Pass, northeast of Butte, Montana, USA. The coin is ~2.1 centimeters in diameter.
Hailstones are scarce, ephemeral, polycrystalline, concentrically layered, monomineralic rocks of meteoric origin. They are composed of the mineral ice (hydrogen oxide, H2O). Ice has a low melting temperature for a mineral (= 0˚ Celsius/Centrigrade; = 32˚ Fahrenheit; = 273˚ Kelvin). As a result, rocks (hailstones, firn, glacial ice) and sedimentary deposits (snow) consisting of ice are ephemeral, except at very high elevations (mountain tops) and in polar to near-polar facies. Hailstones form in many thunderstorms and can reach the land surface before melting. They range in size from about half-a-centimeter to over 20 centimeters (very large hailstones such as: www.flickr.com/photos/75478688@N08/6804952627/in/photostr... and www.flickr.com/photos/74109683@N03/6807753397/in/photostr... are not really hailstones, but are aggregate hailstones, formed by ice cementing many smaller hailstones together). Hailstones form spherical to subspherical to irregularly-shaped masses. The term "cryometeorites" has been applied to hailstones by some people. Considering that they do not originate from outer space, this term is inappropriate and is rejected here. |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/51003865520/ |
Author | James St. John |
Licensing
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/51003865520. It was reviewed on 27 March 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
27 March 2021
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 06:07, 27 March 2021 | ![]() | 2,572 × 1,222 (1.77 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/51003865520/ 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 | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/100 sec (0.01) |
F-number | f/4.9 |
ISO speed rating | 320 |
Date and time of data generation | 18:13, 11 August 2010 |
Lens focal length | 18.6 mm |
Width | 4,000 px |
Height | 3,000 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 18.0 (Macintosh) |
File change date and time | 04:39, 26 March 2021 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 18:13, 11 August 2010 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 6.65625 |
APEX aperture | 4.59375 |
APEX exposure bias | 0 |
Maximum land aperture | 4.59375 APEX (f/4.91) |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905349794 |
Focal plane Y resolution | 16,483.516483516 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 00:39, 26 March 2021 |
Unique ID of original document | C75C575766A80DC66B1EB19265E6B566 |