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How Many Stars Did It Take To Make Us?

You know the quote, we’re made of stardust. Generation after generation of stars created the materials that make us up. How? And how many stars did it take?
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ISS astronauts Barry “Butch” Wilmore, NASA, Samantha Cristoforetti, ESA and Terry Virts, NASA send Christmas 2014 greetings from the space station to the people of Earth.  Credit: NASA/ESA

ISS astronauts Barry “Butch” Wilmore, NASA, Samantha Cristoforetti, ESA and Terry Virts, NASA send Christmas 2014 greetings from the space station to the people of Earth. Credit: NASA/ESA
Story/pics expanded. Send holiday tweet to crew below!

There is a long tradition of Christmas greetings from spacefarers soaring around the High Frontier and this year is no exception!

The Expedition 42 crew currently serving aboard the International Space Station has decorated the station for the Christmas 2014 holiday season and send their greetings to all the people of Earth from about 240 miles (400 km) above! [click to continue…]

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Elon Musk’s Hyperloop Might Become A Reality After All

Concept art for the Hyperloop high-speed train. Credit: Reuters

Concept art for the Hyperloop high-speed train. Image Credit: Tesla Motors

Fans of Elon Musk and high-speed transit are sure to remember the Hyperloop. Back in 2013, Musk dropped the idea into the public mind with a paper that claimed that using the right technology, a high-speed train could make the trip from San Fransisco to Los Angeles in just 35 minutes.

However, Musk also indicated that he was too busy to build such a system, but that others were free to take a crack at it. And it seems that a small startup from El Segundo, California is prepared to do just that.

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Solved: The Mystery of Earth’s Theta Aurora

From the ground, aurora have mystified humans since we began to question the world. The space age revealed more mystery - the Theta Auroral Oval (inset)  and the challenge of understanding the phenomena. (Photo Credit: NASA/APOD)

From the ground, aurora have mystified humans since we began to question the world. The space age revealed more mystery – the Theta Auroral Oval (inset) and the challenge of understanding the phenomena. (Photo Credit: NASA/APOD)

The mystery of the northern lights – aurora – spans time beyond history and to cultures of both the southern and northern hemispheres. The mystery involves the lights, fantastic patterns and mystical changes. Ancient men and women stood huddled under them wondering what it meant. Was it messages from the gods, the spirits of loved ones, warnings or messages to comfort their souls?

Aurora reside literally at the edge of space. While we know the basics and even more, we are still learning. A new published work has just added to our understanding by explaining how one type of aurora – the Theta Aurora – is created from the interaction of the charged particles, electric and magnetic fields surrounding the Earth. Their conclusions required the coordination of simultaneous observations of two missions.

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 SpaceX Falcon 9 rocket is set to soar to ISS after completing  successful static fire test on Dec. 19 ahead of planned CRS-5 mission for NASA in early January 2015. Credit: Ken Kremer – kenkremer.com

SpaceX Falcon 9 rocket is set to soar to ISS after completing successful static fire test on Dec. 19 ahead of planned CRS-5 mission for NASA in early January 2015. Credit: Ken Kremer – kenkremer.com

KENNEDY SPACE CENTER, FL – To ensure the highest possibility of success for the launch of a critical resupply mission to the International Space Station (ISS), SpaceX has announced the successful completion of a second static fire test of the first stage propulsion system of the firms commercial Falcon 9 rocket on Dec. 19.

The successful engine test clears the path towards a liftoff now rescheduled to early January 2015. [click to continue…]

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