"Sunrise crashes an aurora party over the southern hemisphere," said astronaut Ricky Arnold of the image he snapped from the International Space Station.
Auroras are one of the many Earthly phenomena the crew of the space station observe from their perch high above the planet. The dancing lights of auroras provide spectacular views, but also capture the imagination of scientists who study incoming energy and particles from our Sun.
After a trip toward Earth that can last three days, the solar particles and magnetic fields cause the release of particles already trapped near Earth, which in turn trigger reactions in the upper atmosphere in which oxygen and nitrogen molecules release photons of light. The result: the Northern and Southern lights.
Image: The Aurora and the Sunrise (2018, April 12)
retrieved 27 June 2019
This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no
part may be reproduced without the written permission. The content is provided for information purposes only.
Your feedback will go directly to Science X editors.
E-mail the story
Image: The Aurora and the Sunrise