What is Earth's nearest neighbor in space?

What star is labeled Alpha Ursa Minoris?

What is the name of the spacecraft that took the first men to the moon?

What satellite series was known as "fellow traveler"?

What astrological sign starts on January 21st?

What is seventh planet in order of distance from the sun?

Who was the third person to walk on the moon?

What rocket launched the Apollo program?

Mariner IV sent the first pictures of which planet back to earth?

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

What is the third brightest object in the Earth's sky?

What is the cargo of a spacecraft called?

What is the second planet in distance from the sun?

Which Apollo mission was launched on January 31, 1971?

How many earth days does it take for Mercury to circle the Sun?

What year was the celestial object Pluto discovered?

How many astronauts manned each Apollo mission?

What was the element mercury named after?

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

What is the sixth planet from the sun?

What is a meteoroid called if it lands on the Earth's surface?

What is a huge exploding star radiating as much energy as the sun would over about 10 billion years?

How many moons does Earth have?

Which Apollo mission was launched on April 11, 1970?

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