| ISS034 Earth Sciences and Image Analysis Photographic Highlights |
| TOP PICKS |
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| ISS034-E-48455 |
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| Northeastern USA Coastline in Sunglint: Looking out at the
Earth’s surface from the International Space Station (ISS),
astronauts frequently observe sunglint highlighting both ocean and
inland water surfaces. The Atlantic Ocean—including Cape Cod Bay and
Buzzards Bay, along the coastlines of Massachusetts and Rhode
Island—has a burnished, mirror-like appearance in this image. This is
due to sunlight reflected off the water surface back towards the
astronaut-photographer. The peak reflection point is towards the
right side of the image, lending the waters of Long Island Sound and
the upper Massachusetts coastline an even brighter
appearance. Sunglint also illuminates the surface waters of Chesapeake Bay, located over 400 kilometers (250 miles) to the southwest of the tip of Long Island. This suggests that the Sun was low on the horizon due to the observed extent of the sunglint effect. The time of image acquisition, approximately 4:26 p.m. Eastern Standard Time, was about one hour before local sunset. There is little in this image to indicate that the region was still recovering from a major winter storm that dropped almost one meter (three feet) of snow over much of the northeastern USA less than a week earlier. The high viewing angle from the ISS also allows the Earth’s curvature, or limb, to be seen; blue atmospheric layers gradually fade into the darkness of space across the top part of the image. Low clouds near Cape Cod, Long Island, and further down the Atlantic coastline cast shadows over the water surfaces, reducing the sunglint in some areas. A different perspective view of the region in sunglint is available here. |
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This service is provided by the International Space Station program and the JSC Astromaterials Research & Exploration Science Directorate. Recommended Citation: Image Science and Analysis Laboratory, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." . |
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