The number of moon(s) Earth has.
What is 1 moon?
The year when Neil Armstrong landed on the moon.
When is 1969?
What is the Oort Cloud?
Location of the Sun.
Where is the middle of the solar system?
The first artificial satellite launched into Earth's orbit.
What is Sputnik?
The location of the Scattered Disc.
Where is between the Kuiper Belt and Oort Cloud?
The 2nd planet in the solar system.
What is Venus?
The first human launched into space.
Who is Yuri Gagarin?
Is Planet X a real planet?
What is No?
Does Jupiter have rings?
What is yes?
The starting year of the space race.
When is 1955?
Is Voyager 1 in interstellar space?
What is Yes?
The solar system's age.
When is 4.5 billion years?
Launch date of Apollo 13.
When is April 11, 1970?
Launch date of Voyager 1.
When is September 5, 1977?