article_snippet: The panels show how scientists predict the CMB signature would change as the spacecraft increases speed .
article_snippet: California-based Raytheon engineers Ulvi Yurtsever and Steven Wilkinson claim that spaceships travelling at near light speeds would interact with the cosmic microwave background (CMB).
article_snippet: CMB is the light left over from the earliest moments of creation that has been stretched across the entire cosmos as the universe expanded.
article_snippet: A fast-moving spacecraft would collide with cosmic microwave photons, say California-based Raytheon engineers, creating highly gamma rays, according to a report inMIT Technology Review.
article_snippet: California-based Raytheon engineerssuggest that spaceships travelling at near light speeds would interact with the cosmic microwave background (CMB).
article_snippet: Narn spacecraft from Babylon 5 .
article_snippet: California-based Raytheon engineers have estimated that each cubic centimetre of space contains over 400 microwave photons.
article_snippet: their study was carried out by physics professor Dr Robert Nemiroff from Michigan Tech University, and one scientist recently presented his research at the 225th meeting of the American Astronomical Society in Seattle.