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14 August 2008
Former Astronaut to Bike Across US for Education
Former NASA astronaut and Rocketplane test pilot John Herrington has a new state-of-the-art vehicle of choice: a bike. But it’s a touring bike fully loaded with a GPS, laptop, broadband phone, and digital and video cameras. Herrington is embarking on a cross country bike trek to promote and encourage student participation in science, [...]
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28 July 2008
Behind the Power and Beauty of Northern Lights
The Aurora Borealis or Northern Lights are stunningly beautiful. But they can also disrupt radio communications and GPS signals, and even cause power outages. What's behind the ethereal Northern Lights that causes them to shimmer and dance with colorful lights while sometimes wreaking havoc with electrical systems here on Earth? Using a fleet [...]
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28 July 2008
By 2020, Droids Will Explore Space For Us
All the best sci-fi films have them, and they may become our future automated space explorers. Currently, one of the biggest drawbacks for using robots in space is that they depend on human input (i.e. commands need to be sent for every robotic arm motion and every rover wheel rotation). This means that, especially with [...]
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30 June 2008
Solar Sail To Launch This Summer
NASA’s Marshall and Ames Research Centers will team up with the commercial space company SpaceX to launch and deploy a solar sail this summer. A bread-box sized payload called NanoSail-D will travel to space onboard a SpaceX Falcon 1 Rocket and if all goes well, it will be the first fully deployed solar sail [...]
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04 June 2008
Beer and Burgers With a Side of Science
Astronomers and cosmologists endeavor to solve some of the great mysteries of the universe. One mystery scientists here at the AAS meeting in St. Louis are seriously trying to address is how to make science more interesting and accessible to the general public. While this issue has little cosmic implications, having a “science [...]
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25 April 2008
Potential Global Warming "Fix" Will Damage the Ozone Layer
There are many possible "geo-engineering" solutions open to scientists in the aim to stave off global warming. One of the main candidates to dim the solar energy input to the atmosphere is to inject huge quantities of sulphate particles high in the atmosphere. This mimics the emissions from a large volcanic explosion proven to cool [...]
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14 April 2008
Universe Today Astronomy Picture of the Week: NGC 3199 - The Interstellar Snow Plough
One thing is certain, Wolf-Rayet stars produce some interesting science. In this week's portrait we see a distorted bubble produced by a moving star blowing a strong stellar wind into a surrounding uniform interstellar medium - yet is isn't uniform. What exactly is going on here? (...)Read the rest of Universe Today Astronomy Picture of the Week: NGC [...]
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04 December 2007
Columbus to Set Sail for Space
For European scientists and space enthusiasts, the wait will soon be over. The Columbus module, the European Space Agency’s (ESA) major component for the International Space Station, will finally be delivered to the ISS aboard space shuttle Atlantis on STS-122. The launch is scheduled for Thursday, December 6, 2007 at 4:30 pm EST. [...]
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11 June 2007
NASA Working on a Folding Tether System
Science@NASA has a cool article about how US and Japanese researchers are working on a folding tether system that could help keep satellites in their proper orbits, and return spent rocket stages to Earth. Space tethers were first demonstrated on the Gemini 11 and 12 missions, showing how spacecraft could be connected by a cable. Possible [...]
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