Physics & Astronomy

Physics & Astronomy

Phoenix Gears Up for Next Martian Sample Collection

Overnight Tuesday to Wednesday, during Phoenix's 57th Martian day, or sol, since landing, Phoenix used its robotic arm to scrape the top of the hard layer in…

Physics & Astronomy

Polarised Sunglasses Reveal Hidden Black Hole Disks

In a similar way that a fisherman would wear polarised sunglasses to help get rid of the glare from the water surface and allow him to see more clearly under…

Physics & Astronomy

Accretion Discs Reveal Colors of Distant Quasars

Quasars are the brilliant cores of remote galaxies, at the hearts of which lie supermassive black holes that can generate enough power to outshine the Sun a…

Physics & Astronomy

New Shielding Advances for Ambitious Neutron Experiments

In science fiction stories it is either the inexhaustible energy source of the future or a superweapon of galactic magnitude: antimaterial. In fact,…

Physics & Astronomy

GOCE Mission Set for Shipment to Russia: What to Expect

Originally, the Gravity field and steady-state Ocean Circulation Explorer (GOCE) mission had been scheduled for launch in May 2008, but as a result of…

Physics & Astronomy

NASA'S Phoenix Mars Lander Works Through the Night

Phoenix is using its weather station, stereo camera and conductivity probe to monitor changes in the lower atmosphere and ground surface at the same time…

Physics & Astronomy

Mars Sample Return: Uniting Robotic and Human Exploration

The report, defines key elements of the future internationally-funded mission involving the cooperation of ESA, NASA and other national agencies.iMARS, which…

Physics & Astronomy

Phoenix Lander Tests Rasp Ahead of Upcoming Oven Sample

The planned test is a preparation for putting a similar sample into one of Phoenix's laboratory ovens in coming days. The instrument with the oven, the Thermal…

Physics & Astronomy

Tree Branching Insights for Efficient Flow in Nature

Duke University engineers believe that an image of two tree canopies touching top-to-top can guide their efforts to most efficiently control the flow of…

Physics & Astronomy

Super-Resolution X-Ray Microscopy Reveals Nanoworld Secrets

The first super-resolution images from this novel microscope will be published online July 18, 2008 in the journal Science. “Researchers have been working on…

Physics & Astronomy

ESA Astronaut Christer Fuglesang Completes Second Space Flight

This will be Fuglesang’s second flight after being a Mission Specialist on the 13-day STS-116 mission to the ISS in December 2006 in which he undertook three…

Physics & Astronomy

3D Imaging Unveils Cracks in Steel Using New Mapping Technique

By using a new grain mapping technique it was possible to determine the internal 3D structure of the material without destroying the sample. Afterwards, a…

Physics & Astronomy

International Space Station: Advancing Future Space Research

As part of their discussions, they noted the significantly expanded capability the ISS now provides for on-orbit research and technology development activities…

Physics & Astronomy

NASA Seeks Guidance on Human Challenges for Constellation Program

The U.S. Congress and President George W. Bush want NASA to begin work on the new Constellation Program now. Yet NASA cannot expand its 18,000-member…

Physics & Astronomy

Phoenix Mars Lander Collects Sample from Frozen Layer

Images and data sent from Phoenix early Wednesday indicated the shaved material in the scoop had changed slightly over time during the hours after it was…

Physics & Astronomy

Jupiter’s Red Spot Jr.: New Insights Into Giant Storms

The time series shows the passage of the “Red Spot Jr.” in a band of clouds below (south) of the Great Red Spot (GRS). “Red Spot Jr.” first appeared on Jupiter…

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