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Motions in nearby galaxy cluster reveal presence of hidden superstructure
Gravity Probe B mission begins collecting science to test Einstein's theory
For release: 05/07/2002
Photo release #: 02-114
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Thumbnail 100 x 100 (72)The Microgravity Science Glovebox — a sealed container with built in gloves on its sides and fronts — makes it easier for International Space Station crews to work safely with experiments that involve fluids, flames, particles and fumes that need to be safely contained. Mary Etta Wright, one of the lead glovebox engineers at NASA's Marshall Space Flight Center in Huntsville, Ala., inserts her hands in the gloves on the outside of the glovebox doors. (NASA Marshall Space Flight Center photo)
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Thumbnail 100 x 100 (72)Wolfgang Froeihoer, left, of the European Space Agency (ESA), and Andreas Schuette, right, of DaimlerChrysler Aerospace in Braimen, Germany, inspect the Microgravity Science Glovebox. In exchange for building the glovebox, ESA will be able to use other facilities inside the Destiny laboratory until that agency's Space Station laboratory — the Columbus Orbital Facility — is attached to the Station in a couple of years. The glovebox was built by Bradford Engineering B.V. in The Netherlands. ESA and NASA have a long history of building gloveboxes used in the past on the Space Shuttle and Mir, the Russian space station. (NASA Marshall Space Flight Center photo)
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Thumbnail 100 x 100 (72)This engineering unit of the Microgravity Science Glovebox is identical to the one that will be used by crews on the International Space Station. This one is being used by engineers in NASA's Microgravity Development Laboratory — a unique facility at NASA's Marshall Space Flight Center in Huntsville, Ala., that is used to develop and prepare experiments for space flight. (NASA Marshall Space Flight Center photo)
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Thumbnail 100 x 100 (72)This cut-away of the cylindrical, Destiny laboratory module on the International Space Station shows how the new Microgravity Science Glovebox fits inside. Racks that hold science experiments are positioned all around the outside of the cylindrical module. Four racks, including the glovebox, are located around the circumference of this section of the orbiting laboratory. The Microgravity Science Glovebox is managed by NASA's Marshall Space Flight Center in Huntsville, Ala. (NASA Marshall Space Flight Center photo)
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Thumbnail 100 x 100 (72)During the upcoming four-month Expedition Five on the International Space Station, the Microgravity Science Glovebox will support the first two materials science experiments conducted on the Station. Dr. Richard Grugel, a materials scientist at NASA's Marshall Space Flight Center in Huntsville, Ala., will study materials processes similar to those used to make components used in jet engines. Grugel is holding a small, glass ampoule like the ones that are inserted in his furnace contained in the glovebox. On the ground, Grugel will receive video of samples as they melt and are solidified inside the space furnace.(NASA Marshall Space Flight Center photo by Emmett Given)
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Thumbnail 100 x 100 (72)Dr. Richard Grugel, a materials scientist at NASA's Marshall Space Flight in Huntsville, Ala., examines the furnace used to conduct his Pore Formation and Mobility Investigation — one of the first two materials science experiments to be conducted on the International Space Station. This experiment studies materials processes similar to those used to make components used in jet engines. Grugel's furnace was installed in the Microgravity Science Glovebox through the circular port on the side. In space, crewmembers are able to change out samples using the gloves on the front of the facility's work area. (NASA Marshall Space Flight Center photo by Emmett Given)
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Thumbnail 100 x 100 (72)On Earth when scientists melt metals, bubbles that form in the molten material can rise to the surface, pop and disappear. In microgravity — the near-weightless environment created as the International Space Station orbits Earth, the lighter bubbles do not rise and disappear. Prior space experiments have shown that bubbles often become trapped in the final metal or crystal sample -similar to the bubbles trapped in this sample. In the solid, these bubbles, or porosity, are defects that diminish both the material's strength and usefulness. The Pore Formation and Mobility Investigation will melt samples of a transparent modeling material, succinonitrile and succinonitrile water mixtures, shown here in an ampoule being examined by Dr. Richard Grugel, the principal investigator for the experiment at NASA's Marshall Space Flight Center in Huntsville, Ala. As the samples are processed in space, Grugel will be able to observe how bubbles form in the samples and study their movements and interactions. (NASA Marshall Space Flight Center photo by Emmett Given)
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Thumbnail 100 x 100 (72)One of the first materials science experiments on the International Space Station - the Solidification Using a Baffle in Sealed Ampoules (SUBSA) — will be conducted during Expedition Five inside the Microgravity Science Glovebox. The glovebox is the first dedicated facility delivered to the Station for microgravity physical science research, and this experiment will be the first one operated inside the glovebox. The glovebox's sealed work environment makes it an ideal place for the furnace that will be used to melt semiconductor crystals. Astronauts can change out samples and manipulate the experiment by inserting their hands into a pair of gloves that reach inside the sealed box. Dr. Aleksandar Ostrogorsky, a materials scientist from the Rensselaer Polytechnic Institute, Troy, N.Y., and the principal investigator for the SUBSA experiment, uses the gloves to examine an ampoule like the ones used for his experiment inside the glovebox's work area. The Microgravity Science Glovebox and the SUBSA experiment are managed by NASA's Marshall Space Flight Center in Huntsville, Ala. (NASA Marshall Space Flight Center photo by Emmett Given)
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