The solar system
Stars
Galaxies
100

What are the inner planets of our solar system and what is their order from the sun?

What are Mercury, Venus, Earth, and Mars?

100

What is a star?

What is a burning ball of gas held together by gravity?

100
What type of Galaxy is the milky way?

What is a spiral galaxy?

200

What is the outer asteroid belt called?

What is the Kuiper Belt?

200

How long does it take light from the sun to travel to Earth?

What is 8 minutes?

200

What part of the Milky Way do we live in?

What is the Orion Arm?

300

What is the windiest planet?

What is Neptune?

300

What is the name of the process that stars use to create heat and light?

What is nuclear fusion.

300

What is a galaxy made up of?

What are stars and other celestial bodies?

500

What is the name of the spacecraft that was the first to visit Uranus?

What is Voyager 2.?

500

What is the name for a stellar remnant that is so dense that light cannot escape it, and what is it the result of?

What is a Black hole caused by a supernova?

500

What is believed to be at the center of most galaxies?

What are blackholes?
1000

What planet was discovered with math

What is Neptune?

1000

What are characteristics of different types of stars

What is color, size and heat?

1000

When do galaxies change shape?

What are galactic mergers, collisions, and aging?