Approximately how many kilometres is an Astronomical Unit?

More Questions:

What year was writer Arthur C. Clarke born?

The city of Berkeley is located across a bay from what other city?

In what city would you find Champ de Mars?

Which US state is home to the Hopi Indian Reservation?

In which large bay would you find the Belcher Islands?

'Ships of the desert" are what?

What keeps the Earth's atmosphere from leaving the planet?

Who on TV played Jeeves to Hugh Laurie's Bertie Wooster?

What movie's first sequel featured the subtitle "The Spawning"?

What British rock-and-roll legend recorded a 1975 album titled "Venus and Mars"?

Which US President served the shortest term in office?

Who was the first Chancellor of the German Federal Republic?

The Suez Crisis of 1956 was precipitated by Egypt's plans to build what?

Anthocyanins are compounds which produce what?

The Easter lily is a plant endemic to which Japanese islands?