Which letter in the Greek alphabet is a circle with a horizontal dash through the center?

More Questions:

What is a funambulist?

What six colors come in a standard bag of milk chocolate M&M's?

How much did the first Amazon Kindle device cost?

What natural disaster is measured on the Richter Scale?

Which planet is referred to as the planet of oceans?

What constellation is the North Star located in?

What name is shared by America's first Naval hero and the bass player for Led Zeppelin?

What 1973 horror movie features the characters Father Merrin and Father Karras?

Whose first film was the documentary "Roger & Me"?

Who plays the role of Mick "Crocodile" Dundee in the movie "Crocodile Dundee"?

The TV show "Ugly Betty" is based on what Venezuelan show?

Who played Tonto on the TV series "The Lone Ranger"?

Whose 1939 nomination for the Nobel Peace Prize was retracted in February of that same year?

On what sea did the "Battle of Jutland" take place?

In what country is the grave of the famous German philosopher Immanuel Kant located?