File:Rainbow aurora ESA322571.jpg

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English: Auroras occur when particle radiation from the Sun hits Earth’s upper atmosphere, making it glow in a greenish blue light. ESA astronaut Alexander Gerst has one of our planet’s best views of this phenomenon, circling 400 km up on the Station.

Here, the last remnants of sunlight can be seen as a blue streak on the left side. Above it is the yellow hue of our atmosphere reflecting the sunlight. This thin band is all that protects us from solar radiation. In the foreground, the Space Station’s Canadarm2 robotic arm is stowed, waiting to receive the next supply spacecraft to visit the microgravity laboratory. Alexander worked as a geophysicist and volcanologist before he was chosen as an ESA astronaut in 2009. His Blue Dot mission includes an extensive programme of experiments in physical science, biology and human physiology as well as radiation research and technology demonstrations. All of the research makes use of the out-of-this-world laboratory to improve life on Earth or prepare for further human exploration of our Solar System. Read more about his mission at http://www.esa.int/Our_Activities/Human_Spaceflight/Blue_dot

Follow Alexander here:http://alexandergerst.esa.int/
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Source http://www.esa.int/spaceinimages/Images/2014/09/Rainbow_aurora
Author European Space Agency
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(Reusing this file)		 ESA,CC BY-SA 3.0 IGO
Title
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Rainbow aurora
Set
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Human spaceflight and robotic explorations image of the week
Mission
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Blue Dot
Activity
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Human Spaceflight

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This media was created by the European Space Agency (ESA).
Where expressly so stated, images or videos are covered by the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence, ESA being an Intergovernmental Organisation (IGO), as defined by the CC BY-SA 3.0 IGO licence. The user is allowed under the terms and conditions of the CC BY-SA 3.0 IGO license to Reproduce, Distribute and Publicly Perform the ESA images and videos released under CC BY-SA 3.0 IGO licence and the Adaptations thereof, without further explicit permission being necessary, for as long as the user complies with the conditions and restrictions set forth in the CC BY-SA 3.0 IGO licence, these including that:
  • the source of the image or video is duly credited (Examples: "Credit: ESA/Rosetta/NavCam – CC BY-SA IGO 3.0", "ESA/DLR/FU Berlin, CC BY-SA IGO 3.0", "ESA/Photographer’s name, CC BY-SA IGO 3.0"), and
  • a direct link to the CC BY-SA 3.0 IGO license text is provided, and
  • if changes were made to the original image or video, there is a clear statement on the Adaptation indicating that changes were made to the original content; Adaptations must be Distributed or Publicly Performed under the Applicable License, as set forth in Article 4b of the CC BY-SA 3.0 IGO licence.
See the ESA Creative Commons copyright notice for complete information, and this article for additional details.
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This file is licensed under the Creative Commons Attribution-ShareAlike 3.0 IGO license.
Attribution: ESA, CC BY-SA IGO 3.0
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Date/TimeThumbnailDimensionsUserComment
current15:17, 30 December 2017Thumbnail for version as of 15:17, 30 December 20171,920 × 1,038 (2.47 MB)Fæ (talk | contribs)European Space Agency, Id 322571, http://www.esa.int/spaceinimages/Images/2014/09/Rainbow_aurora, User:Fæ/Project_list/ESA

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