STS044-79-77
| NASA Photo ID | STS044-79-77 |
| Focal Length | 250mm |
| Date taken | 1991.11.26 |
| Time taken | 07:32:54 GMT |
Resolutions offered for this image:
3925 x 3962 pixels 634 x 639 pixels 5700 x 6000 pixels 500 x 526 pixels 640 x 480 pixels
3925 x 3962 pixels 634 x 639 pixels 5700 x 6000 pixels 500 x 526 pixels 640 x 480 pixels
Cloud masks available for this image:
Spacecraft nadir point: 3.9° S, 56.6° E
Photo center point:
Photo center point by machine learning:
Photo center point:
Photo center point by machine learning:
Nadir to Photo Center:
Spacecraft Altitude: 196 nautical miles (363km)
Country or Geographic Name: | INDIAN OCEAN |
Features: | OCEAN FEATURES, CLOUDS |
| Features Found Using Machine Learning: | |
Cloud Cover Percentage: | 10 (1-10)% |
Sun Elevation Angle: | 61° |
Sun Azimuth: | 202° |
Camera: | Hasselblad |
Focal Length: | 250mm |
Camera Tilt: | Low Oblique |
Format: | VELVI: Fuji, natural color positive, Velvia 50, CS 135-36, ASA 32, standard base |
Film Exposure: | Normal |
| Additional Information | |
| Width | Height | Annotated | Cropped | Purpose | Links |
|---|---|---|---|---|---|
| 3925 pixels | 3962 pixels | No | No | Earth From Space collection | Download Image |
| 634 pixels | 639 pixels | No | No | Earth From Space collection | Download Image |
| 5700 pixels | 6000 pixels | No | No | Download Image | |
| 500 pixels | 526 pixels | No | No | Download Image | |
| 640 pixels | 480 pixels | No | No | Download Image |
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Image Caption: STS044-079-077 Solitons, Indian Ocean November 1991
Internal waves (solitons) can be seen in this near-vertical photograph taken over the central Indian Ocean. Solitons are nonlinear, traveling waves that normally maintain their shape and identity. Ocean solitons (V-Brand waves, named after Vance Brand, the astronaut who discovered them on the Apollo-Soyuz flight in 1975) manifest themselves as large, subsurface, internal waves with little surface expression. This photograph was taken north of the Seychelles Islands near the northern limit of the subsurface Mascarene Ridge upon which the Seychelles are located. Numerous seamounts (submarine mountains) occur in this region. The photograph shows (near center) the solitons being refracted or impeded by a seamount.
Seen in sunglint, these internal waves in the Indian ocean (4.0S, 56.5E) are refracting around a probable a sea mount on the Mascarene Plateau, NE of Madagascar. Internal waves are similar to surface waves, but they travel within the water column along the boundry between water layers of different density. On the surface, they appear as bands of smooth and rough water and `rom orbit, irregular light and dark bands.
Internal waves (solitons) can be seen in this near-vertical photograph taken over the central Indian Ocean. Solitons are nonlinear, traveling waves that normally maintain their shape and identity. Ocean solitons (V-Brand waves, named after Vance Brand, the astronaut who discovered them on the Apollo-Soyuz flight in 1975) manifest themselves as large, subsurface, internal waves with little surface expression. This photograph was taken north of the Seychelles Islands near the northern limit of the subsurface Mascarene Ridge upon which the Seychelles are located. Numerous seamounts (submarine mountains) occur in this region. The photograph shows (near center) the solitons being refracted or impeded by a seamount.
Seen in sunglint, these internal waves in the Indian ocean (4.0S, 56.5E) are refracting around a probable a sea mount on the Mascarene Plateau, NE of Madagascar. Internal waves are similar to surface waves, but they travel within the water column along the boundry between water layers of different density. On the surface, they appear as bands of smooth and rough water and `rom orbit, irregular light and dark bands.
