NASA astronaut Jeff Williams, Expedition 47 flight engineer and Expedition 48 commander, is pictured during an emergency scenarios training session.
Russian cosmonaut Oleg Skripochka is pictured during an emergency scenarios training session in the Space Vehicle Mock-up Facility.
Expedition 47/48 and Expedition 45/46 crew members, along with training personnel, are pictured during an emergency scenarios training session.
NASA astronaut Jeff Williams and Russian cosmonaut Sergei Volkov participate in an emergency scenarios training session.
Russian cosmonauts Sergei Volkov and Alexey Ovchinin participate in an emergency scenarios training session.
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A twisted blob of solar material – a hot, charged gas called plasma – can be seen erupting off the…
This CME image from Oct. 7, 2012, captured by two instruments on STEREO, shows the eruption from its base out…
STEREO's view of the March 5, 2013, CME from the side of the sun – Earth is far to the…