By Ryan Walker On our first full day at Jang Bogo, we weren’t expecting very much to happen. The majority of our equipment wouldn’t be arriving for another three days, so we thought we would settle in and learn about the basic amenities of the station — food, showers, laundry, wifi, espresso machine. (I’m not […]
Direct Current Switching Unit (DCSU) 1 Remote Bus Isolator (RBI) 1 Trip Status: Friday evening and into the weekend, Flight Controllers worked to successfully restore power to the systems normally powered by the 1B channel. In review of telemetry, the ground team revealed indications that the Sequential Shunt Unit (SSU) 1B may not be able …
The six-member Expedition 45 crew paused for a minute of silence today in tribute to the victims of Friday’s terrorist attacks in Paris. Flight Engineer Kjell Lindgren bowed his head in the middle of experiment work while Commander Scott Kelly said the crew “was shocked and saddened” by the events. Engineers continued to troubleshoot station …
By Christine Dow We made it to Antarctica in one piece! After a delightful 3 am start, we boarded the Safair plane that was to take us to the Antarctic along with Korean, Italian and French scientists. What followed was a somewhat chilly, noisy, cramped 7-hour flight. However, the views out our tiny window as […]
Direct Current Switching Unit (DCSU) 1B Remote Bus Isolator (RBI) 1 Trip – At ~11:55am CST DCSU 1B RBI 1 experienced a trip on Friday taking all power from the 1B Power Channel. Numerous systems were affected including core avionics. Command and Control (C&C) and Guidance Navigation & Control (GNC) Multiplexer/Demultiplexers (MDMs) automatically transitioned to …
The Expedition 45 crew is wrapping up the work week on biomedical science and Cygnus mission preparations. The orbital residents also worked maintenance throughout the numerous modules inside the International Space Station. Flight Engineers Kjell Lindgren and Kimiya Yui, who both have been in space over 100 days, checked their vision and blood pressure for …
Today’s post is from William Woods, a doctoral candidate in Electrical Engineering at Stanford University. He investigates radioscience and remote sensing, with a focus on signal processing for the radioscience experiment (REX) onboard New Horizons. He studies both engineering and science under Dr. Ivan Linscott and Dr. Howard Zebker at Stanford. I study remote sensing …
On November 11 at 5:41:17 PM CST there was a fireball detected on two NASA cameras; one located at Marshall Space Flight Center in Huntsville, Alabama and the other in Tullahoma, TN. Last evening’s fireball was just across the Tennessee/Arkansas border over the town of Jonesboro, Arkansas (NW of Memphis – see ground track image …
Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) Slosh: After experiencing issues with SPHERES batteries and a hard drive, the SPHERES Slosh Run today was postponed to a later date. Ground experts are investigating the source of the problems. Sleep Log: Kelly recorded a Sleep Log entry today. The Sleep ISS-12 experiment monitors ambient …
By Ryan Walker We arrived safely in Christchurch, New Zealand. On Wednesday morning we went over to the International Antarctic Centre to check up on our instruments and equipment. We have five GPS receivers for measuring horizontal ice motion, and two tilt meters for measuring the angle of the ice shelf as it flexes with ocean tides. […]
