ISS022-E-8285
| NASA Photo ID | ISS022-E-8285 |
| Focal Length | 800mm |
| Date taken | 2009.12.09 |
| Time taken | 20:57:02 GMT |
Resolutions offered for this image:
1000 x 740 pixels 540 x 400 pixels 720 x 720 pixels 4288 x 2929 pixels 640 x 437 pixels
1000 x 740 pixels 540 x 400 pixels 720 x 720 pixels 4288 x 2929 pixels 640 x 437 pixels
Cloud masks available for this image:
Spacecraft nadir point: 25.2° S, 67.3° W
Photo center point: 24.7° S, 68.5° W
Photo center point by machine learning:
Photo center point: 24.7° S, 68.5° W
Photo center point by machine learning:
Nadir to Photo Center: West
Spacecraft Altitude: 188 nautical miles (348km)
Country or Geographic Name: | CHILE |
Features: | LLULLAILLACO VOL. |
| Features Found Using Machine Learning: | |
Cloud Cover Percentage: | 10 (1-10)% |
Sun Elevation Angle: | 28° |
Sun Azimuth: | 256° |
Camera: | Nikon D2Xs Electronic Still Camera |
Focal Length: | 800mm |
Camera Tilt: | 23 degrees |
Format: | 4288E: 4288 x 2848 pixel CMOS sensor, RGBG imager color filter |
Film Exposure: | |
| Additional Information | |
| Width | Height | Annotated | Cropped | Purpose | Links |
|---|---|---|---|---|---|
| 1000 pixels | 740 pixels | No | Yes | Earth From Space collection | Download Image |
| 540 pixels | 400 pixels | Yes | Yes | Earth From Space collection | Download Image |
| 720 pixels | 720 pixels | Yes | Yes | NASA's Earth Observatory web site | Download Image |
| 4288 pixels | 2929 pixels | No | No | Download Image | |
| 640 pixels | 437 pixels | No | No | Download Image |
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Image Caption: Llullaillaco Volcano, Argentina-Chile Border
The summit of South America's Llullaillaco Volcano has an elevation of 6,739 meters (22,110 feet) above sea level, making it the highest historically active volcano in the world. The current stratovolcano--a cone-shaped volcano built from successive layers of thick lava flows and eruption products like ash and rock fragments--is built on top of an older stratovolcano. The last explosive eruption of the volcano, based on historical records, occurred in 1877.
This detailed astronaut photograph of Llullaillaco illustrates an interesting volcanic feature known as a coulee (image top right). Coulees are formed from highly viscous, thick lavas that flow onto a steep surface. As they flow slowly downwards, the top of the flow cools and forms a series of parallel ridges oriented at 90 degrees to the direction of flow (somewhat similar in appearance to the pleats of an accordion). The sides of the flow can also cool faster than the center, leading to the formation of wall-like structures known as flow levees (image center). Llullaillaco is also a well-known archaeological site; the mummified remains of three Inca children, ritually sacrificed 500 years ago, were discovered on the summit in 1999.
The summit of South America's Llullaillaco Volcano has an elevation of 6,739 meters (22,110 feet) above sea level, making it the highest historically active volcano in the world. The current stratovolcano--a cone-shaped volcano built from successive layers of thick lava flows and eruption products like ash and rock fragments--is built on top of an older stratovolcano. The last explosive eruption of the volcano, based on historical records, occurred in 1877.
This detailed astronaut photograph of Llullaillaco illustrates an interesting volcanic feature known as a coulee (image top right). Coulees are formed from highly viscous, thick lavas that flow onto a steep surface. As they flow slowly downwards, the top of the flow cools and forms a series of parallel ridges oriented at 90 degrees to the direction of flow (somewhat similar in appearance to the pleats of an accordion). The sides of the flow can also cool faster than the center, leading to the formation of wall-like structures known as flow levees (image center). Llullaillaco is also a well-known archaeological site; the mummified remains of three Inca children, ritually sacrificed 500 years ago, were discovered on the summit in 1999.
