A nebula is a large interstellar cloud of what?

More Questions:

With what Canadian brewery did Coors merge with in 2005 to become one of the largest in the world?

How many pockets are there on a snooker table?

What number of Downing Street serves as the residence for the Prime Minister of the UK?

What magazine ran the famous cover of a very pregnant Demi Moore in the buff?

What Big US East school took the cryptic name for its sports teams from the Greek word for "what"?

From what language did English borrow the word "lollipop"?

The Columbia River flows into what body of water?

In what country would you find the active volcano "Santorini"?

In what city would you find the most famous street named "Carnaby Street"?

What is the capital of the US state of Alabama?

What must a mole do every four hours so it doesn't die?

How long does it take a human blood cell to make a complete circuit of the human body?

What actor plays the role of the Bible salesman in the movie "O Brother, Where Art Thou"?

What was the name of the middle Tanner daughter on "Full House"?

Who was the only man to knock out Muhammad Ali in a heavyweight title fight?