Science & Tech · Space · 2 hrs ago

NASA astronaut photographs auroras from the ISS with an iPhone

NASA astronaut photographs auroras from the ISS with an iPhone

NASA astronaut Anil Menon photographed auroras from the International Space Station on Oct.

10 using an iPhone.

The image shows pink, purple and red lights above Earth's night side, with city lights below and stars near the station.

Several coronal mass ejections triggered geomagnetic storms over the weekend, including storms rated as strong as G3.

During these storms, charged particles travel along Earth's magnetic field toward the polar regions and collide with gases high in the atmosphere, producing light.

The aurora's colors come from different gases at different heights: nitrogen produces much of the blue-purple light, while oxygen creates the red.

The photo shows a smartphone can capture auroras from orbit, rather than relying on the Nikon cameras astronauts sometimes use for Earth images.

What people are saying

Anil MenonNASA astronaut
Flying through is rare and amazing,
via Space.com
You can see the lights on the outside of [the] station reflecting back like Christmas LEDs. It's definitely more immersive.
via Space.com

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