Solving mysteries of the interstellar medium |

Date:   August  2015
This artist’s conception symbolically represents complex organic molecules, known as polycyclic aromatic hydrocarbons, seen in the early universe. These large molecules, comprised of carbon and hydrogen, are among the building blocks of life. NASA’s Spitzer Space Telescope is the first telescope to see polycyclic aromatic hydrocarbons so early … 10 billion years further back in time than seen previously.     Credit: NASA/JPL-Caltech/T. Pyle (SSC)

Despite intense research efforts over the last few decades, an assignment of the DIBs has remained elusive, although indications exist that they may arise from the presence of large hydrocarbon molecules in interstellar space. Recent experiments lend novel credibility to this hypothesis.
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