By what name is a quasi-stellar radio source better known?

What is the "disk" that encircles a black hole called?

Which branch of science did young Carl Sagan tell his grandfather he wanted to practice?

Which Apollo mission was launched on April 11, 1970?

What is the name for the boundary around a black hole, beyond which events cannot affect the observer?

What is Jupiter mostly made of?

What causes the moon to shine?

To any astronaut, what is an EVA?

The path traveled by a body in space is known as what?

In which year did the first space shuttle launch?

How many stars make up the Big Dipper?

What is a sudden violent explosion on the sun called?

How many planets are there in the Solar System (including Pluto)?

Who first proposed the heliocentric model of the solar system?

What is Earth's nearest neighbor in space?

How long does it take for the moon to revolve around the earth?

What is the cargo of a spacecraft called?

Which constellation represents a hunter with weapons?

What are the "Big Dipper" and "Orion" examples of in the night sky?

Who was the first U.S. woman astronaut?

Which Apollo mission was launched on January 31, 1971?

Which Apollo Mission was launched on November 14, 1969?

What is the name for a body in orbit around the Sun?

What was the first planet discovered with the aid of a telescope?

Who was the first person in space?