nov 112012
 
Incredible Number of Comet Collisions Explain Stellar Mystery

  Every six seconds, for millions of years, comets have been colliding with one another near a star in the constellation Cetus called 49 CETI, which is visible to the naked eye. An artsists concept of a “Kuiper Belt” with comets. Image Credit: NASA/JPL-Caltech Over the past three decades, astronomers have discovered hundreds of dusty [continue reading]