Orion’s little-noticed, record-breaking flight

Orion’s little-noticed, record-breaking flight

Special to WorldTribune.com [CLICK ON IMAGE FOR HIGH RESOLUTION, NASA]   Headed for two orbits of planet Earth and a splashdown in the Pacific, Orion blazed into the early morning sky on Friday at 7:05am ET. The spacecraft was launched atop a United Launch Aliance Delta IV Heavy rocket from Cape Canaveral Air Force Station […]

European probe lands successfully on comet 67P

European probe lands successfully on comet 67P

Special to WorldTribune.com Rosetta’s probe, Philae, has successfully landed on its comet 67P/Churyumov-Gerasimenko. After a daring seven-hour descent, the probe has made space history by becoming the firstever craft to land on a comet. … However, while the lander has touched down on the comet using its harpoons, scientists said that it had not yet […]

Where are all those high energy positrons coming from?

Where are all those high energy positrons coming from?

Special to WorldTribune.com [CLICK ON IMAGE FOR HIGH RESOLUTION, Ron Garan, STS-134 Crew, Expedition 28 Crew, NASA] Where did all these high energy positrons come from? The Alpha Magnetic Spectrometer (AMS-02) onboard the International Space Station (ISS) has been meticulously recording how often it is struck by both high energy electrons and positrons since 2011. […]