article_snippet: Earth may have been witness to a stunning aurora displays, but Earth are nothing compared to what can be seen on Mars.
article_snippet: Nasa scientists were recently stunned to discover aurora that reaches deep into the Martian atmosphere.
article_snippet: Aurora take place on Earth because some of the sun's energetic particles have managed to break through this shield.
article_snippet: Aurora, known on Earth as northern or southern lights, are caused by energetic particles like electrons crashing down into the atmosphere and causing the gas to glow. '
article_snippet: What's especially surprising about Aurora is how deep in the atmosphere Aurora occurs - much deeper than at Earth or elsewhere on Mars,' said Arnaud Stiepen, IUVS team member at the University of Colorado. '
article_snippet: The electrons producing Aurora have about 100 times more energy than you get from a spark of house current, so they can penetrate deeply in the atmosphere.
article_snippet: Aurora was detected in all observations during a 5-day period . '
article_snippet: Earth may have been witness to a stunning displays of the aurora (pictured), but Earth are nothing compared to what can be seen on Mars
article_snippet: Nasa has only been able to detect the aurora (pictured) rather capture the aurora (pictured) in an image .
highlights_snippet: What was suprising was how deep in the atmosphere aurora occurred .
  