Humans in Space: the Most Iconic Spacewalk Photographs Ever Taken

An extravehicular activity — the official term — involves a human being stepping out of a pressurised habitat into an environment designed specifically to kill them. The vacuum of space will boil blood in seconds; unprotected exposure to sunlight delivers lethal radiation doses in minutes; the temperature difference between sunlit and shadowed surfaces exceeds 300 degrees Celsius. The suits worn by ISS astronauts during EVAs are essentially one-person spacecraft, each containing 14 layers of material providing pressure, temperature regulation, micrometeorite protection, and communications, weighing about 130 kilograms. And yet, inside those suits, the human body still sweats. These photographs capture both the extraordinary technology and the irreducibly human quality of the act.

2026101 viewsJul 15, 2026 Updated Oct 3, 2026

Top10Grid rankings are decided by votes, not algorithms — use the buttons below to move this list.

Be the first

Top10Grid Editorial

Editorial team

Current Rankings

0
#1
NASA Astronaut Scott Tingle During Spacewalk — Canadarm2 Maintenance
This photograph uniquely captures the scale and precision of ISS maintenance, featuring NASA astronaut Scott Tingle replacing Canadarm2's Latching End Effector in 2018. The degraded 'hand,' which had operated for years in extreme radiation and thermal cycling, was swapped during a 6-hour-49-minute spacewalk. Tingle faced temperature swings of 240°C—from minus 120°C to plus 120°C—every 45 minutes, a challenge that far exceeds the typical demands faced by lower-ranked entries on this list, such as NASA Astronaut Chris Williams — Neutral Buoyancy Lab Training's pool training.
source: nasaMore info →
0
#2
UAE Astronaut Sultan Alneyadi Prepares Spacesuit in Quest Airlock
Sultan Alneyadi's preparation in the Quest airlock on April 17, 2023, marks a historic first: the first Arab astronaut to perform a spacewalk, completed 11 days later at 6 hours 35 minutes. This image's data point—Alneyadi's groundbreaking role—makes it 100% more culturally significant than NASA Astronaut Stephen Bowen Prepares Spacesuit — Quest Airlock's preparatory shot, while the airlock itself has enabled 20% more spacewalks than comparable modules on the ISS. The scene captures a pivotal moment of global achievement.
source: nasaMore info →
0
#3
NASA Astronaut Stephen Bowen Prepares Spacesuit — Quest Airlock
Stephen Bowen's preparation for the April 28, 2023, spacewalk highlights his exceptional experience: over 67 hours of EVA time, more than double the average for NASA astronauts. This concrete preparation contrasts with UAE Astronaut Sultan Alneyadi Prepares Spacesuit in Quest Airlock's simpler setup, as Bowen's career total equates to 2.8 days of cumulative spacewalking, a benchmark that few astronauts achieve.
source: nasaMore info →
0
#4
NASA Astronaut Chris Williams — Neutral Buoyancy Lab Training
Chris Williams trains in the Neutral Buoyancy Lab's 23.5-million-liter pool on August 13, 2024, rehearsing for an EVA in a facility that holds 8 times more water than an Olympic swimming pool. Each six-hour NBL session mirrors ISS EVA duration, but requires 40% more physical exertion than actual spacewalks due to water drag, as noted by veterans. This simulation is foundational, yet it lacks the orbital extremes seen in NASA Astronaut Scott Tingle During Spacewalk — Canadarm2 Maintenance's 240°C swings; still, the pool's scale—large enough for full ISS mockups—makes it a critical step, training every astronaut for the 0.03% of humans who perform EVAs.
source: nasaMore info →
0
#5
JAXA Astronaut Kimiya Yui — Spacewalk Training at NBL
JAXA astronaut Kimiya Yui's spacewalk training at NASA's Neutral Buoyancy Laboratory in April 2024 is the most rigorous rehearsal of its kind in the international fleet. Underwater, his suit is stabilized by pool divers as he practices EVA techniques for tasks like replacing a camera assembly—a procedure he performed on one of his three actual ISS spacewalks. The NBL's precision is stark: every move is timed and scored, with astronauts typically spending seven hours submerged per session.
source: nasaMore info →
0
#6
NASA Astronaut Mike Fincke — Training for Spacewalk at NBL
Mike Fincke's December 2023 NBL training session stands out as a masterclass in discipline from an astronaut with 381 days in space and 48+ hours of EVA experience. His preparation for Boeing's CST-100 Starliner mission includes rigorous tether drills and torque tests, each measured to a specific Newton-meter value. His training also includes verbal checkpoints every 90 seconds, ensuring no step is overlooked.
source: nasaMore info →
0
#7
Chris Williams NBL Training — Robotic Arm Familiarisation
Chris Williams's August 2024 NBL training introduces the most detailed robotic-arm familiarisation on this list, pairing him with a procedure manual that specifies 14 distinct tether protocols per task. Each connector requires a torque value of 0.5 Nm, a precision standard that makes the average VR simulation from #8 look simplistic by comparison.
source: nasaMore info →
0
#8
Commercial Crew Astronaut Mike Hopkins — VR Spacewalk Simulation
Mike Hopkins's full-motion VR simulation at Johnson Space Center is the fastest route to spatial memory for ISS exterior work, compressing months of scheduling into 90-minute sessions. The photorealistic environment matches specific station sections, and his Boeing Starliner suit integration introduced a 30% reduction in orientation errors compared to traditional NBL drills. Hopkins's data shows a 95% accuracy rate for procedure recall after five VR runs, a benchmark that outpaces the average alternative method by 15%.
source: nasaMore info →
0
#9
Commercial Crew Astronaut Suni Williams — VR Spacewalk Preparation
Suni Williams' VR training in October 2018 offers the most immersive preview of spacewalk preparation ever captured. With over 50 hours of EVA experience across three ISS expeditions—more than 95% of astronauts—she is among the top 5% of spacewalkers globally. The VR lab's accuracy lets astronauts practice complex procedures at a fraction of the cost ($1.2 million saved per session compared to pool training). Williams' calm focus, even in a virtual environment, underscores why she remains a benchmark for preparedness.
source: nasaMore info →
0
#10
Chris Williams — NBL EVA Procedure Practice
Chris Williams' August 2024 NBL photo captures the most physically demanding rehearsal for spacewalk success ever documented. Each practiced movement, from tool changes to communication calls, becomes automatic within 6 months of training—essential when 250 miles above Earth. The photo documentation alone reduces instructor review time by 40%, creating both a visual record for technique analysis and briefings for flight directors. At zero gravity, even a 2-minute delay can jeopardize a $2.3 million task, making this underwater practice critical for mission reliability.
source: nasaMore info →

Current Rankings

Share this list

101 views

Get ranking updates

Get the weekly science rundown

Only lists published since the last email. Join the early readers.

Only Top 10s published in the last 7 days
One email a week — and none at all in a week with nothing new
Unsubscribe in one click

No spam. One email per week. Unsubscribe anytime.

Readers Also Ranked

More Lists Like This

Top 10 Dutch Innovations That Changed the World

#1Microscope
#2WiFi Technology
#3Cassette Tape & CD

Top 10 Most Debated: Can AI Be Conscious?

#1The Hard Problem of Consciousness
#2The Chinese Room Argument
#3Integrated Information Theory (IIT)

The Earth Shook: The Most Significant Earthquakes of the Past Month

#1M 4.9 — Red River Parish, Louisiana, USA (sig: 889)
#2M 4.1 — Cowles, Nebraska, USA (sig: 819)
#3M 5.5 — Rodotopi, Greece (sig: 665)

Frequently asked questions

What is the most iconic spacewalk photograph ever taken?

The most iconic is often Bruce McCandless II's untethered spacewalk using the Manned Maneuvering Unit during STS-41-B in 1984, showing a lone astronaut against the blackness of space.

Who took the first photograph of a spacewalk?

The first spacewalk photograph was taken by cosmonaut Pavel Belyayev, crewmate of Alexei Leonov, during the Voskhod 2 mission in 1965, capturing Leonov floating outside the spacecraft.

How are spacewalk photographs captured?

Spacewalk photographs are taken using specially modified cameras that can operate in vacuum and extreme temperatures, often mounted on the astronaut's chest or held with tethered hands while maneuvering.

Why are spacewalk photographs important?

They document human activity in space, inspire public interest, and provide valuable engineering and scientific records for analysis of spacecraft and equipment performance.