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Astronaut Photography of Earth - Display Record
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IdentificationMission: STS068 Roll: 168 Frame: 28 Mission ID on the Film or image: STS68
Country or Geographic Name: GALAPAGOS ISLANDS
Features: ISABELLA & FERNANDINA IS
Center Point: Latitude: -0.5 Longitude: -91.5 (Negative numbers indicate south for latitude and west for longitude)
Stereo: Yes (Yes indicates there is an adjacent picture of the same area)
ONC Map ID: M-24 JNC Map ID: 76
CameraCamera Tilt: 50
Camera Focal Length: 250mm
Camera: LH: Linhof
Film: 5048 : Kodak, natural color positive, Lumiere 100x/5048, ASA 100x, standard base.
QualityFilm Exposure: Normal
Percentage of Cloud Cover: 5 (0-10)
GMT Date: 19941008 (YYYYMMDD) GMT Time: 194043 (HHMMSS)
Nadir Point Latitude: -2.0, Longitude: -93.2 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: Northeast
Sun Azimuth: 260 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 112 nautical miles (207 km)
Sun Elevation Angle: 65 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 136
CaptionsSTS068-168-28 Galápagos Islands, Pacific Ocean October 1994
The Galápagos archipelago is a group of 16 generally rough volcanic islands and numerous islets. This east-northeast-looking, low-oblique photograph shows the islands of Fernandina, Isabela, San Salvador, and Santa Cruz. The islands of the Galápagos rose from the ocean floor as tops of volcanoes about 10 million years ago and have never been connected to the South American mainland 650 miles (1045 kilometers) to the east. Isabela Island (seahorse-shaped) has five major volcanic peaks ranging to 5540 feet (1690 meters) in height. Several volcanoes on the islands have been active during the 20th century. The total land area of all the islands, islets, and rocks probably does not exceed 3000 square miles (8000 square kilometers). Isabela Island covers 1700 square miles (4400 square kilometers), more than half of the land area of the archipelago. Though the climate of the islands can vary, the Peru (Humboldt) Current makes the climate mild and dry with temperatures seldom rising above 80 degrees Fahrenheit (27 degrees Celsius) despite the equatorial location. The Galápagos Islands were discovered in 1555 and named for the gigantic land tortoises found there. The islands—famous for their unique vegetation and wildlife—are a wildlife sanctuary. The islands were visited in 1835 by Charles Darwin who gathered data that he used later to support his theory of natural selection.
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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .