The Solar System
Star Lifecycles
Constellations
The Sun
Black Holes
100
This is the planet closest to the sun.
What is Mercury?
100
This is explosion that may occur at the end of a large star's lifecycle.
What is a supernova?
100
This constellation is also known as the hunter.
What is Orion?
100
These are the two primary elements that make up the sun.
What are hydrogen and helium?
100
This is the largest type of black hole.
What is a supermassive blackhole?
200
This planet is also known as the Red Planet.
What is Mars?
200
The beginning of a star's lifecycle happens here.
What is a nebula?
200
This constellations is also known as the lion.
What is Leo?
200
The sun is known as this size of star.
What is a medium-sized star?
200
Blackholes are black because this cannot escape from them.
What is light?
300
This is the eighth planet from the sun.
What is Neptune?
300
These are the two things that can be created after a supernova.
What is a neutron star and a black hole?
300
This constellations is also known as the Big Bear.
What is Ursa Major?
300
This looks like a small dark area on the surface of the sun.
What is a sunspot?
300
This is the force that makes blackholes so powerful.
What is gravity?
400
The four planet closest to the sun are this type of planet.
What is a rocky planet?
400
This stage is the result of a red giant running out of hydrogen to burn. 
What is a white dwarf?
400
This constellations is also known as The Twins. 
What is Gemini?
400
This is the hottest layer at the center of the sun.
What is the core?
400
This is the part of a blackhole where mass has been condensed into a very small area.
What is a singularity?
500
This is the shape of Earth's orbit around the sun.
What is an ellipse?
500
This is the heaviest element that can be formed in the core of a star.
What is iron?
500
This constellation is also known as The Harp.
What is Lyra?
500
This is a huge loop of erupting gas on the surface of the sun.
What is a solar prominence?
500
This is the name of the process of an object being stretched by the gravity of a black hole.
What is spaghettification?