article_snippet.sent: Andre Gignac says Andre Gignac made the 'stunning discovery' in a photograph released by Nasa and taken by the Mars rover Opportunity.
article_snippet.sent: Andre Gignac says Andre Gignac made the 'stunning discovery' in a photograph released by Nasa and taken by the Mars rover Opportunity .
highlights_snippet.sent: Radical claim was made by 58-year-old Canadian, Andre Gignac .
  