In 1986, a brittle O-ring seal was determined to be the cause of what?

More Questions:

What language was left unpunctuated until the modern age?

Listed alphabetically, what would be the first property on a Monopoly game board?

Where did Gulliver find a race of tiny people?

What sport is the subject of the book "Sands of Time"?

Which US state is nicknamed the "Silver State"?

Where is the Tennis Hall of Fame located?

What African country was formerly known as Northern Rhodesia?

What is an erythrocyte?

Which element of the periodic table is named after the sun?

The family on the TV show "Married...with Children" was named in honor of what wrestler?

Which Hitchcock film starred Margaret Lockwood and Michael Redgrave?

What's the name of the flat, square prison that holds the Kryptonian criminals in the Superman movies?

In his 2006 movie, what "glorious nation" does Borat hail from?

Who was the prime minister of Canada for the majority of Bill Clinton's time as U.S. President?

What year did Mariah Carey release the single "All I Want For Christmas Is You"?