Stars
Inner Four
Outer Four
Space
Space Debris
NASA
100

This is the name of the 4.6 billion year old star at the center of our solar system.

What is the Sun?

100

This is the hottest planet with temperatures ranging from 440° to 480° C. 

What is Venus?

100

This planet has the most moons and rings visible with a telescope. 

What is Saturn?

100

This is the galaxy in which our solar system resides.

What is the Milky Way?

100

This is what we call a meteorite as it is burning through the Earth's atmosphere. 

What is a meteor?

100

This mission landed the first men, Neil Armstrong and Buzz Aldrin, on the moon.

What is Apollo 11?

200

These are dark, cooler areas that appear on the surface of the Sun.

What are sunspots?

200

This planet has a solar year of 365.25 Earth days and a solar day of 24 Earth hours. 

What is Earth?

200

This planet has the largest volume of all the planets in our solar system and a storm named the Great Red Spot. 

What is Jupiter?

200

There are three different types of galaxies and the Milky Way is this kind. 

What is a spiral galaxy?

200

These small space rocks occasionally fall into Earth's orbit and begin to burn. 

What is a meteoroid? 

200

The stages before the Apollo missions were these two sets of missions. 

What are the Mercury project and the Gemini program?

300

This is the closest star to the solar system.

What is Proxima Centauri?

300

In another life, this small but swift planet was known as Hermes. 

What is Mercury? 

300

This planet appears to rotate on its side.

What is Uranus?

300

This is the name of the closest galaxy to our own galaxy.

What is Andromeda? 

300

These small chunks of ice and dust vaporize as they approach the Sun, often resulting in a tail that trails behind it. 

What is a comet?

300

This was the first manned mission by NASA after the Apollo 1 tragedy.

What is Apollo 7?

400

A red giant could either have its outer layer blown away and become a white dwarf or it could implode and result in this. 

What is a supernova?

400

Because it is covered in iron oxide dust, this planet has been nicknamed the Red Planet. 

What is Mars? 

400

Voyager 2 is the only spacecraft to visit this planet thus far. 

What is Neptune?

400

About 13.8 billion years ago, this event is theorized to have happened. 

What is the Big Bang?

400
This body has not cleared an orbital path, but it has a nearly round form due to gravity, orbits the Sun, and is not a moon. 

What is a dwarf planet?

400

This place is important because it enables unique scientific research in microgravity, fosters international cooperation, inspires education, advances technology, and helps prepare for future deep space missions.

What is the International Space Station?

500

Polaris, the North Star, is part of this constellation. 

What is Ursa Minor?

500

This is a collection of space debris that is made of carbon, silicate, or metals which orbits the Sun between Mars and Jupiter. 

What is the Asteroid Belt?

500

This is a vast region of space beyond the orbit of Neptune, stretching from about 30 to 55 astronomical units. 

What is the Kuiper Belt? 

500

This is the faint glow of radiation left over from the Big Bang and is known as the universe's "baby picture" as it captured what the universe looked like when it was 380,000 years old.

What is cosmic microwave background radiation?

500

Apophis is one of these. Lucy and Psyche are studying these. 

What are asteroids?

500

NASA stands for this. 

What is the National Aeronautics and Space Administration? 

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