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1650 matches found for "solar system"

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Ticking Stellar Time Bomb Identified

Using ESO’s Very Large Telescope and its ability to obtain images as sharp as if taken from space, astronomers have made the first time-lapse movie of a rather unusual shell ejected by a “vampire star...

Physics and Astronomy | nachricht Read more
Optical properties of the Antarctic system and new radiation information

During the summer of 1997-1998, measurements of beam absorption and beam attenuation coefficients, and downwelling and upwelling irradiance were made in the Southern Ocean along a S-N transect at 6 de...

Earth Sciences | nachricht Read more
Cost-efficient production process and homogeneous luminosity for OLEDs thanks to micro-scale conductor paths

Analysts at NanoMarkets forecast a worldwide market volume of over $2.9 billion for 2012, with sales increasing to around $5.9 billion by 2014. The lighting industry is now looking for economic produc...

Power and Electrical Engineering | nachricht Read more
Nanowire Synthesis Using A Gas Blocker In A Catalytic Thermal CVD

Reported by Megawati Omar, Research Management Institute, UiTMResearchers Mohd Zainizan Sahdan, Mohd Hafiz Mamat, Zuraida Khusaimi, Mohd Noor and Mohd Rusop Mahmud of the Faculty of Electrical...

Physics and Astronomy | nachricht Read more
UT Knoxville and ORNL researchers turn algae into high-temperature hydrogen source

In the quest to make hydrogen as a clean alternative fuel source, researchers have been stymied about how to create usable hydrogen that is clean and sustainable without relying on an intensive, high-...

Life Sciences | nachricht Read more
Rosetta bound for outer Solar System after final Earth swingby

Rosetta passed over the ocean, just South of the Indonesian island of Java, at exactly 08:45:40 CET, at a speed of 13.34 km/s with respect to Earth at an altitude of 2481 km. The swingby was pre-plann...

Physics and Astronomy | nachricht Read more
A bubbling ball of gas

The SUNRISE balloon-borne telescope, a collaborative project between the Max Planck Institute for Solar System Research in Katlenburg-Lindau and partners in Germany, Spain and the USA, has now deliver...

Physics and Astronomy | nachricht Read more
A Lightning Strike in Africa Helps Take the Pulse of the Sun

Sunspots, which rotate around the sun's surface, tell us a great deal about our own planet. Scientists rely on them, for instance, to measure the sun's rotation or to prepare long-range fore...

Earth Sciences | nachricht Read more
Atomic Particles Help Solve Planetary Puzzle

Fangzhen Teng, assistant professor of geosciences at the University of Arkansas, and Wei Yang and Hong-Fu Zhang of the Chinese Academy of Sciences report their findings in Earth and Planetary Science ...

Physics and Astronomy | nachricht Read more
Swift XMM-Newton Satellites Tune Into a Middleweight Black Hole

"Intermediate-mass black holes contain between 100 and 10,000 times the sun's mass," explained Tod Strohmayer, an astrophysicist at Goddard. "We observe the heavyweight black holes...

Physics and Astronomy | nachricht Read more
Toward Home-brewed Electricity with “Personalized Solar Energy”

That's the topic of a report by an international expert on solar energy scheduled for the November 2 issue of ACS’ Inorganic Chemistry, a bi-weekly journal. It describes a long-awaited, inexpensi...

Power and Electrical Engineering | nachricht Read more
Follow Rosetta’s final Earth boost

This will be the third Earth swingby, the last of Rosetta’s four planetary gravity assists. Closest approach to Earth is expected at 08:45 CET (07:45 UT). The swingby will provide exactly the boost Ro...

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Nanostructures on Optical Fiber Make "Hidden" PV Cells

Using zinc oxide nanostructures grown on optical fibers and coated with dye-sensitized solar cell materials, researchers at the Georgia Institute of Technology have developed a new type of three-dimen...

Power and Electrical Engineering | nachricht Read more
3-D system based on optical fiber could provide new options for photovoltaics

Converting sunlight to electricity might no longer mean large panels of photovoltaic cells atop flat surfaces like roofs. Using zinc oxide nanostructures grown on optical fibers and coated wit...

Power and Electrical Engineering | nachricht Read more
Laser Technology Improves Solar Collectors

The sun is the energy source not only done for photovoltaic cells but also for thermal solar collectors. Whereas photovoltaic cells transform the sun's energy directly into electricity, solar col...

Power and Electrical Engineering | nachricht Read more
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