
Luca Parmitano throughout a spacewalk on 9 July 2013
ESA/NASA
When the water reached my face, it unfold over my nostril and up into my nostrils instantly. I used to be virtually blinded, I couldn’t hear something and I couldn’t breathe via my nostril. I already knew I wanted to achieve the airlock and get again contained in the Worldwide Area Station. The important thing query: how lengthy did I’ve earlier than the water reached my mouth and I couldn’t breathe in any respect?
If you go on a spacewalk, you enter a brand new world. It’s an extremely privileged perspective. Contained in the ISS and searching via the home windows of the cupola, you’re nonetheless inhabiting the secure world of the area station. It’s like staring into a big and actually lovely aquarium. However after I go away the ISS for a spacewalk, I’m immersed within the void. I’m in an surroundings that doesn’t want me. If I wasn’t inside my spacesuit, I might be useless inside minutes.
The infinite horizon of stars and blackness is so vivid. On considered one of my spacewalks, I used to be being moved from one aspect of the area station to the opposite on a robotic arm. I used to be connected to the arm by my ft. I had no body of reference as a result of the area station was behind me, Earth was behind me. And for the primary time in my life, I perceived the three-dimensionality of area. Perhaps it was as a result of I used to be drawing on my data of astrophysics, however I felt I might see this sponge-like tissue of bubbles or voids surrounded by all these huge mild sources. Since then, I’ve tried to relive that second. However I haven’t been capable of do it.

It was throughout Luca Parmitano’s second spacewalk on 16 July 2013 when catastrophe struck
NASA Johnson
I’ve finished six spacewalks to this point. The water leak was throughout my second, on 16 July 2013. It was uncomfortable, for positive, after I first felt the chilly fluid on the again of my head. However then, clearly, I nonetheless went via the usual process. I referred to as the bottom: “Hey, I really feel water at the back of my helmet, FYI – to your data.” The “FYI” was me saying: I’m nonetheless good and I’m nonetheless able to proceed with the spacewalk.
I used to be instructed to await directions. Then they requested if I knew the place the water was coming from. I didn’t. However by then, I might really feel it was accumulating. Water behaves in another way if you take away the consequences of gravity. Capillarity works very well to move it from one place to another across a surface.
Lots of people, after they consider a spacesuit, they’re imagining films like Gravity or The Martian. The helmets in these films are actually large. You’ve paid $100 million to have a particular actor, so that you want an enormous helmet to see their face. No person needs to see my face, so our helmets are comparatively small. There isn’t a lot area between the helmet and my face. The water was flowing on this small area, and it stuffed up comparatively quick. After my ears turned blocked, I couldn’t hear a lot, and I additionally started to grasp that the folks on the bottom couldn’t hear me both.
Then the solar set. If you’re flying round Earth, you may have a sundown and dawn each 45 minutes. A spacewalk lasts about six to seven hours, so quite a lot of it’s finished at evening. The sundown was a complicating issue. I might see what I had instantly in entrance of me even regardless of the water, due to the illumination from the lights on my helmet. However the second I attempted to look additional away, I couldn’t make something out. I couldn’t deal with distant objects with the water in entrance of my eyes.
I nonetheless didn’t know the place the water was coming from. However in that second, it wasn’t vital. What was vital was that I had this ticking timer telling me to behave. I may need 10 minutes left. Or 5 minutes. And even simply 1 minute. I couldn’t management that, however I might management my behaviour.
Earlier than changing into an astronaut, I used to be a pilot, then I turned a fighter pilot, then a take a look at pilot. I discovered on day considered one of flight faculty that there are three actions to absorb an emergency: I keep management, I analyse the scenario, and I take the right motion.
The correct motion was to seek out my manner again to the airlock. The subsequent step was to work out how to try this. There are handles on the skin of the area station that assist us transfer round. I knew I might use these to achieve the airlock. I requested myself: can I see the following deal with? I can’t see it, it’s too far-off. Can I determine the place it’s by reaching and feeling with my hand? I can. Following my tether, anchored to the airlock, I can start transferring in the correct route.

Luca Parmitano’s spacesuit started filling with water once more throughout a take a look at after his deserted spacewalk
NASA
However transferring in a spacesuit is tougher than you most likely assume it could be. The swimsuit is pressurised and that stress is a power reacting towards your muscle groups. To maneuver, it’s a must to battle that power. And your arms and fingers, there are not any sturdy muscle groups there. So each time you wish to maintain an object, like a deal with, the forces are so sturdy it feels such as you’re having to squeeze a tennis ball.
That final a part of the spacewalk felt like a really very long time, an eternity. My thoughts slowed every thing down. In actuality, it was solely 7 minutes earlier than I used to be again within the airlock. In these 7 minutes, they couldn’t hear me on the bottom they usually didn’t know the way I used to be doing. However I later discovered that they didn’t realise I used to be in bother as a result of my coronary heart price by no means modified. It stayed regular. I managed my response.
I can nonetheless relive that spacewalk, nevertheless it’s not consistently in my head. It’s not one thing that modified me, though it did change us all operationally. We found {that a} blocked filter brought on the failure, so we modified our procedures to search for that earlier than spacewalks. We additionally added a snorkel to the spacesuits, so if the helmet fills with water, we will use the snorkel to breathe from the air within the physique chamber. So this occasion isn’t going to occur once more. That’s the silver lining.
I might by no means disagree with any person saying what astronauts do is extraordinary. What we’re capable of do is extraordinary. However that doesn’t make us extraordinary folks. It makes us regular individuals who have the coaching to do a unprecedented job.
As instructed to Colin Barras
Matters:
- Worldwide Area Station/
- astronaut