space science
What is the force that keeps planets in orbit around the sun?
Gravity
Which planet is known as the 'Red Planet'?
Mars
What is the name of the largest moon of Jupiter?
Ganymede
Which spacecraft was the first to land humans on the moon?
Apollo 11
What is the largest planet in our solar system?
Jupiter
Which planet has the most moons in our solar system?
Saturn
What is the name of the first artificial satellite sent into space?
Sputnik 1
Which famous scientist developed the theory of relativity?
Albert Einstein
What is the closest star to Earth, other than the sun?
Alpha Centauri
Which space telescope was launched by NASA in 1990?
Hubble Space Telescope