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Grafica Obscura - Paul Haeberli
Multifocus Method for Controlling Depth of Field This technical note describes a technique for combining several images to increase or control depth of field in photography. Properties of Light A note on the properties of various kinds of light. This describes lighting in terms of...
Exploring the Ocean Basins with Satellite Altimetry
ellipsoid and the altitude above the ocean surface is approximately equal to the geoid height N = h* - h. Gravity Anomaly As the spacecraft orbits the earth it collects a continuous profile of geoid height across an ocean basin. Profiles from many satellites, collected over many years, ar...
Tough All-Terrain Military Robot Unveiled
Combat Vehicle. CREDIT: Carnegie Mellon University's National Robotics Engineering Center Researchers unveiled today a unique unmanned military vehicle prototype that combines mobility, payload-carrying capacity, and ruggedness to aid troops in combat. The "Crusher" is a...
KAGUYA (SELENE) Took Images of the Moon and Released the Rstar
and Moon Images Shot by the KAGUYA Onboard Camera October 9, 2007 (JST) Japan Aerospace Exploration Agency (JAXA) The Japan Aerospace Exploration Agency (JAXA) performed the separation operation of one of the onboard baby satellites, the Relay Satellite (Rstar,) of the "KAGUYA"...
Teacher Background: How Satellites Work
Wiscasset, Maine. Highly-trained technicians, like Georgie Thompson's second-grade students, operate the controls of such a station. They are able to predict when the satellites will be overhead, when they can expect to receive an image, and they can loop together several images of cl...
CRISM Has Key Role in Selecting Next Mars Rover Landing Site
Camera (CTX). "CRISM images provide the scientific criteria that will allow the MSL team to narrow its choices," Murchie says. "By combining data from the MRO instruments, we can create a complete picture of the Martian surface." The CRISM data release consists of...
KAGUYA (SELENE) Composition of 3-D Movies with Terrain Camera Images
resolution of 10 meters. Anaglyph images*1 and movies were also produced. *1: Anaglyph images are 3-D images viewed with red and blue 3-D glasses Movies (480 X 270 pixels) 3D image around DYSON crater by TC Anaglyph moving image around DYSON crater by...
VOLCANO-TECTONIC ENVIRONMENTS
conveyor belt. Images modified from USGS. Volcanic eruptions above these lithospheric plates are driven by the ascent of magma (molten rock) from deep beneath the surface. The various magma types are described in Physicochemical Controls on Eruption Style. They vary from...
Mars Express Reveals the Red Planet's Volcanic Past
reveals the Red Planet’s volcanic past Daedalia Planum 14 March 2008 A new analysis of impact cratering data from Mars reveals that the planet has undergone a series of global volcanic upheavals. These violent episodes spewed lava and water onto the surface, sculpting the landscape...
NASA Scientists Get First Images of Earth Flyby Asteroid
billion miles) from Earth. The surface of the 70-meter reflector must remain accurate within a fraction of the signal wavelength, meaning that the precision across the 3,850-square-meter (41,400-square-foot) surface is maintained within one centimeter (0.4 inch). These low-resol...
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