Image of the Day: Spectacular Colliding Clusters of Massive Stars (Weekend Feature)

Image of the Day: Spectacular Colliding Clusters of Massive Stars (Weekend Feature): Astronomers using data from NASA's Hubble Space Telescope have caught two clusters full of massive stars that may be in the early stages of merging. The clusters are 170,000 light-years away in the Large Magellanic Cloud, a small satellite galaxy...