Planets
Largest planet in the solar system
What is Jupiter?
First human to orbit the Earth?
Who was Yuri Gagarian?
First described the Milky Way as a galaxy.
Who was William Herschel?
The part of the Milky Way contains the most stars.
What is the center?
It is -173 degrees Celsius to 127 degrees Celsius.
What is the temperature of the moon?
Hottest planet in the solar system.
What is Venus?
First American to orbit Earth.
Who was John Glenn?
Astronomer who discovered the four largest moons of Jupiter.
Who was Galileo Galilei?
The diameter of the Milky Way.
What is 100,000 light-years?
Smallest type of star.
What is a red dwarf?
Planet is known as the "Morning Star" or "Evening Star".
What is Venus?
First woman in Space.
Who was Valentina Tereshkova?
Astronomer who developed three laws of planetary motion.
Who was Johannes Kepler?
Most abundant element in the Milky Way.
What is hydrogen?
Closet star to Earth.
What is our sun?
The dwarf planet that was previously known as the 9th planet.
What is Pluto?
First human to fly in space twice.
Who was Alan Shepard?
Astronomer who discovered Uranus.
Who was William Herschel?
The name of the supermassive black hole at the center of the Milky Way.
What is Sagittarius A?
Last person to step on the moon.
Who is Gene Cernan?
Planet with the most moons in our solar system.
What is Jupiter?
First American to walk in space.
Who was Ed White?
Astronomer who discovered the first comet to be named after a person.
Who was Caroline Herschel?
The main source of the energy for the sun.
What is nuclear fusion?
The year of the Moon Landing?
What is 1969?