Human Research Program (HRP) Operations: Yui completed his Flight Day 15 (FD15) Biochemical Profile Urine collections. Kelly completed his second of three Journals sessions and his third task observation video for Habitability. The Biochemical Profile experiment tests blood and urine samples obtained from astronauts before, during, and after spaceflight. Specific proteins and chemicals in the …
Perseids Are Already Zipping Across the Sky!

The Perseids are ramping up! Here’s a Perseid meteor captured by the NASA All Sky Fireball Network on August 4th. The shower will peak the morning of August 13th. With a near-new Moon, we may get a good show that morning!
ISS Daily Summary Report – 08/10/15
Russian Segment (RS) Extravehicular Activity (EVA) #41: Padalka and Kornienko successfully performed a 5 hour, 31 minute EVA and completed the following tasks: Install two Gap Spanners on Service Module (SM) Clean Window #2 on SM large diameter Install Lock Restraints on WAL1-WAL5 antennas on SM Take photos of “Expose-R” experiment on SM Retrieve “Obstanovka” …
Cosmonauts Complete Russian Spacewalk

International Space Station Expedition 44 Commander Gennady Padalka and Flight Engineer Mikhail Kornienko of the Russian Federal Space Agency completed a spacewalk lasting 5 hours, 31 minutes at 3:51 p.m. EDT. The spacewalkers rigged new equipment on the Russian segment of the complex and conducted a detailed photographic inspection of the exterior of the outpost. This was the …
Atmospheric Escape and Flowing N2 Ice Glaciers – What Resupplies Pluto’s Nitrogen?

Hi, I'm Kelsi Singer, a postdoctoral researcher at the Southwest Research Institute, working on NASA's New Horizons mission and specializing in geology and geophysics. One of my areas of expertise is impact cratering. That subject may not seem related to Pluto's atmosphere or nitrogen at first, but let me tell you about research that …
Deploying CYGNSS
As described in another blog post, CYGNSS is a constellation mission with eight satellites. Typically, when you launch a single satellite, you use a single rocket to put it into orbit. With eight satellites, you might think that we would use eight rockets to get them into orbit. While this would be really nice, it […]
Cosmonauts Working Outside for Russian Spacewalk

International Space Station Expedition 44 Commander Gennady Padalka and Flight Engineer Mikhail Kornienko of the Russian Federal Space Agency began a planned approximately 6-hour spacewalk from the Earth-facing Pirs Docking Compartment at 10:20 a.m. EDT. Padalka will be designated extravehicular crew member 1 (EV1) and Kornienko will be extravehicular crew member 2 (EV2). Both will …
Science in the Fast Lane
The field team continues to have good weather and is ahead of schedule. They have completed the seismic and magnetic resonance soundings. They drilled into the aquifer about 15 meters below the surface and are starting hydrology measurements. All science equipment is running well and the team is in good spirits. There has only been […]
NASA TV Provides Live Coverage of Today’s Spacewalk

NASA Television will provide live coverage of a Russian spacewalk conducted from the International Space Station beginning at 9:45 a.m. EDT. The spacewalk is scheduled to begin at 10:14 a.m. and run about six hours. Expedition 44 Commander Gennady Padalka and Flight Engineer Mikhail Kornienko of the Russian Federal Space Agency will venture outside the …


