Yellowstone National Park’s Old Faithful Geyser erupts so reliably—every hour on the hour—you can set your watch by it. So goes the legend, but it’s not true. Time spans between eruptions vary from 65 to 92 minutes, and have generally increased over the years, thanks to changes in the geyser’s plumbing.
The commercial Ikonos satellite captured this photo-like image of Yellowstone’s popular tourist attraction on July 18, 2002. This high-resolution image clearly shows the network of roads, parking lots, sidewalks, buildings, and even cars around the geyser. The geyser itself is surrounded by bare ground shaped by recurring rivulets of water that have erupted from the geyser. Most of the water channels visible in this image head northwest, toward the Firehole River, named by trappers for recurring steam that suggested it was on fire. Farther away from the geyser, trees and grass fill the scene...
View the full article
GeoEye’s products and services enable timely, accurate, and accessible location intelligence. The company is recognized as one of the geospatial industry's most trusted imagery experts, delivering reliable service and exceptional quality imagery products and solutions to customers around the world. GeoEye has developed an advanced information technology infrastructure for collecting, receiving, processing and distributing imagery information products and processing services to the U.S. Government including the national security community as well as international governments and commercial customers. These products serve applications including defense and intelligence, precision mapping, on-line mapping, infrastructure development, planning and monitoring, and environmental assessment. The company collects tens of millions of square kilometers of imagery per year with its existing satellites and aerial assets, which includes GeoEye-1, the world’s highest resolution commercial imaging satellite. The company also provides support to academic institutions and non-governmental organizations through the GeoEye Foundation (http://www.geoeyefoundation.org). Headquartered in Dulles, Virginia, GeoEye is a public company listed on the NASDAQ stock exchange under the symbol GEOY. It maintains a comprehensive Quality Management System (QMS) and has achieved company-wide ISO accreditation.