Milky Way Stars & Planet Earth Airglow | International Space Station

Milky Way Stars & Planet Earth Airglow | International Space Station

Expedition 73 flight engineer and Japan Aerospace Exploration Agency (JAXA) Kimiya Yui: ". . . I’d like to introduce a time-lapse focusing on the starry sky. The views from the ISS are all spectacular, but the collaboration between Earth and the starry sky is simply the best. I’m busy, so I don’t have time to indulge in meditation, but it’s the kind of scenery that makes you crave such moments."
—Kimiya Yui 油井 亀美也

You will also notice green and yellow airglow that occurs when atoms and molecules in the Earth's upper atmosphere, excited by sunlight, emit light to shed their excess energy. Or, it can happen when atoms and molecules that have been ionized by sunlight collide with and capture a free electron. In both cases, they eject a particle of light—called a photon—in order to relax again. Unlike episodic and fleeting auroras, airglow shines constantly throughout Earth’s atmosphere, and the result is a tenuous bubble of light that closely encases our entire planet.

JAXA astronaut Kimiya Yui Biography:

https://humans-in-space.jaxa.jp/en/astronaut/yui-kimiya/

Follow Expedition 73:
https://blogs.nasa.gov/spacestation/

Expedition 73 Crew

Station Commander: Sergey Ryzhikov (Roscosmos)

JAXA Flight Engineer (Japan): Kimiya Yui

Roscosmos (Russia) Flight Engineers: Alexey Zubritskiy, Oleg Platonov

NASA Flight Engineers: Jonny Kim, Zena Cardman, Mike Fincke

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.

Video Credit: Kimiya Yui/JAXA

Time: 26 seconds

Release Date: Aug. 9, 2025

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