He perfected the refraction telescope, which led to his discovery of Jupiter's satellites, sunspots, and craters on the Earth's moon
Who is Gallileo
100
We live here
What is Earth
100
This happens to a Red Super Giant after it reaches critical mass.
What is Super Nova
100
Our sun is categorized as this
What is a Medium mass star
200
He discovered the Heliocentric theory
Who is Capurnicus
200
Earth's twin
What is Venus
200
When a Red Super Giant with slightly more mass goes Super Nova it turns into this
What is a Black Hole
200
This star has high luminosity and low surface temperature & is thought to be in the late stages of evolution when no hydrogen is left to fuel nuclear fusion
What is a Red Giant
300
Noted for his investigation of nebulae and the recession of the galaxies
Who is Hubble
300
What planet has an 88 day long orbit period
What is Mercury
300
When a Red Super Giant with slightly less mass goes Super Nova it turns into this
What is a Neutron star
300
All stars including High mass stars start out as this
What is a Nebula
400
He created the Geocentric theory
Who is Aristotle
400
Voyager 2 helped get data about the coldest planets atmosphere
What is Neptune
400
A area in space where not even light can escape it's gravitational pull
What is a Black hole
400
This is the final stage of a Medium/Low mass star before it kick starts the new life cycle
What is a black dwarf
500
He discovered the laws of planetary motion (ellipses)
Who is Keppler
500
What planet was discovered by accident by Clyde Tombaugh
What is Pluto
500
This is the last stage of a High mass star's life right before it goes Super Nova