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Planets
Moons
Stars
Astronomers
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100
This is the closest planet to the Earth.
What is Venus?
100
The coldest thing in the Milky Way galaxy; moon of Neptune.
What is Triton?
100
This is what you call a group of two stars.
What is a binary star?
100
This man made the heliocentric theory.
Who is Nicolaus Copernicus?
100
This is the 8th planet from the sun
What is Neptune?
200
This planet technically is not a planet.
What is Pluto?
200
This moon takes 29 days to orbit a planet.
What is the moon of Earth?
200
This is a giant explosion of a star.
What is a Supernova?
200
This man discovered the correct shape of the planets' orbits.
Who is Johannes Kepler?
200
This man was the second man to step on the moon.
Who is Buzz Aldrin?
300
Galileo discovered the first four moons of this planet.
What is Jupiter?
300
This is the largest of Pluto's moons, being almost half the size of Pluto.
What is Charon?
300
This is a famous star located in the little dipper.
What is the North Star? (Polaris)
300
This man discovered inertia and gravity.
Who is Isaac Newton?
300
Jupiter was named after the Roman form of this greek god.
Who is Zeus?
400
This planet rotates on its axis backwards.
What is Uranus?
400
This is the largest moon; one of Jupiter's moons.
What is Ganymede?
400
The scientific name for the big dipper.
What is Ursa Major?
400
This man made accurate observations for 20 years; helped Kepler discover the shape of the planets' orbits.
Who is Tycho Brahe?
400
This is how many Apollo missions landed on the moon.
What is six?
500
This planet is covered with craters
What is Mercury?
500
One of Jupiter's moons, has the most active volcano's.
What is Io
500
This is the closest star to Earth; not including the sun.
What is Alpha Centauri?
500
This man was a philosopher as well as an astronomer, he thought the shape of the orbit was a circle.
Who is Ptolemy?
500
This planet was named after the roman god of agriculture
What is Saturn?