Commander Onishi's Earth Cloud Collection | International Space Station
"When I gaze at Earth from the ISS, I’m always overwhelmed by the massive scale of atmospheric circulation."
"Recalling the weather knowledge I studied during my pilot days, it’s fun to imagine the movements of the troposphere’s atmosphere while thinking things like (a front is forming over there) ๐" —T. Onishi, May 11, 2025
I can’t help but take photos of the clouds.
A few days ago, I saw a cloud that looked like a flower.
The weekend on the ISS is almost over.
This might be the last weekend I can take it easy.
Wishing everyone a great weekend too.
—T. Onishi, July 26, 2025
"Cumulonimbus clouds lined up (probably)."
—T. Onishi, July 20, 2025
"If I had woken up at 5:20 this morning, it would have been a perfect orbit passing beautifully over Japan, but I woke up at 8."
"Giving up on photos of Japan, here’s another photo instead."
"A huge cluster of clouds ☁️"
"It’s hard to gauge the altitude, but I think they might be cumulus clouds.
If anyone knows more, please let me know ๐♂️"
"Since I had to work a substitute shift earlier this month, I’m getting a three-day weekend this week. Wishing everyone a great weekend too♪"
—T. Onishi, May 24, 2025
Last year, I visited the Canary Islands for ESA's PANGAEA training.
The airflow was disturbed by the islands, and it was visualized as swirling in the wake of the islands.
—T. Onishi, June 7, 2025
"One more weather topic."
"The low-pressure systems familiar from weather forecasts—did you know that the way their spirals rotate is opposite in the Northern and Southern Hemispheres?"
"This is because of something called the 'Coriolis force,' which acts in opposite directions depending on whether you're north or south of the equator."
"The first photo shows the spiral of a low-pressure system as seen in Japan. ๐" —T. Onishi, May 11, 2025
"Good morning ๐"
"The ISS, living in the Greenwich Mean Time zone, has just passed 8:30 AM."
"The photo shows Canada’s Manicouagan Crater, glowing under the sunlight."
"Its size, clearly visible to the naked eye even from here, speaks to the magnitude of the impact back then."
"Wishing everyone a wonderful weekend."
—T. Onishi, May 31, 2025
One more weather topic. The low-pressure systems familiar from weather forecasts—did you know that the way their spirals rotate is opposite in the Northern and Southern Hemispheres?
This is because of something called the "Coriolis force," which acts in opposite directions depending on whether you're north or south of the equator.
The first photo shows the spiral of a low-pressure system as seen in Japan ๐
This is because of something called the "Coriolis force," which acts in opposite directions depending on whether you're north or south of the equator.
The first photo shows the spiral of a low-pressure system as seen in Japan ๐
—T. Onishi, May 11, 2025
These are examples of Earth cloud photos taken by Expedition 73 Station Commander and Japan Aerospace Exploration Agency (JAXA) astronaut Takuya Onishi.
Onishi's Biography:
Station Update: Waiting on Earth to replace Crew-10 is NASA’s SpaceX Crew-11 mission with Commander Zena Cardman and Pilot Mike Fincke, both from NASA, and Mission Specialists Kimiya Yui of the Japan Aerospace Exploration Agency (JAXA) and Oleg Platonov of Roscosmos (Russia). Crew-11 will begin their countdown to a launch inside their SpaceX Dragon spacecraft atop a Falcon 9 rocket at NASA’s Kennedy Space Center no earlier than 12:09 p.m. EDT on Thursday, July 31, 2025.
Follow Expedition 73:
https://blogs.nasa.gov/spacestation/
https://blogs.nasa.gov/spacestation/
Expedition 73 Crew
Station Commander: JAXA Flight Engineer Takuya Onishi
Roscosmos (Russia) Flight Engineers: Kirill Peskov, Sergey Ryzhikov, Alexey Zubritskiy
Roscosmos (Russia) Flight Engineers: Kirill Peskov, Sergey Ryzhikov, Alexey Zubritskiy
NASA Flight Engineers: Anne McClain, Nichole Ayers, Jonny Kim
An international partnership of space agencies provides and operates the elements of the International Space Station (ISS). The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada.
Learn more about the important research being operated on Station:
https://www.nasa.gov/iss-science
https://www.nasa.gov/iss-science
For more information about STEM on Station:
https://www.nasa.gov/stemonstation
Science, Technology, Engineering, Math (STEM)
Science, Technology, Engineering, Math (STEM)
Image Credit: JAXA astronaut Takuya Onishi
Image Dates: May 11-July 26, 2025
Image Dates: May 11-July 26, 2025
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