Possible Clues:

• Outer space cloud
• Horsehead or Crab in deep space
• Annual award presented by the Science Fiction and Fantasy Writers of America
• Blue alien played by Karen Gillan in Marvel films
• A lot of stars unable to play
• Debris from an exploded star, perhaps
• Unable to arrange formation of stars
• Hubble sighting
• Outer-space gas cloud
• Part of a galaxy