article_snippet: Dr John Brandenburg also claims Dr John Brandenburg came up with the hypothesis that Mars was once covered in an ocean, which Nasa recently announced.
article_snippet: Dr John Brandenburg also claims Dr John Brandenburg came up with the hypothesis that Mars was once covered in an ocean, which Nasa recently announcedNasa .
article_snippet: Dr John Brandenburg said Dr John Brandenburg now had evidence that 3.7 billion years ago the planet had more water (shown in illustration) than than the Arctic Ocean does today .
article_snippet: Dr John Brandenburg says that the planet once had Earth-like temperatures and atmospheric pressures, and was abundant with life and an oxygen-rich atmosphere.
article_snippet: And Dr John Brandenburg says these would have been ideal conditions for life to form.