A nebula is a large interstellar cloud of what?

More Questions:

Excluding the Umpires, how many players take part at the same time in a game of cricket?

What is the NATO phonetic alphabet word for "R"?

What is added to Gin to make Pink Gin?

In "The Fellowship of the Ring', what does Gandalf do to the ring to make its secret inscription visible?

On the bank of which river does the Portuguese capital of Lisbon stand?

What two rivers does the Nile split into?

What river runs through both Lyon and Marseilles?

What is the avian name of the acronymic evil organization on "The Man from U.N.C.L.E."?

What vehicle was driven by Caractacus Potts?

What TV show takes place in the fictional city of Mockingbird Heights?

What were American patriots protesting when they dumped tea into Boston Harbor?

What year did Jimmy Carter become president of the United States?

What nation was led by Sargon the Great?

What company did Henry Ford found in 1899?

What country would you find Mount Elbrus in?