Human developments
What humans get to space in
What are Spacecrafts
What Stars get heat from
What is nuclear fusion
The shape objects with alot of mass become
What is Sphere
The force that attracts high mass objects
What is gravity
The center of the solar system in the Geocentric model
What is Earth
What Medium-Low mass stars expand into when they burn all their fuel
What is Red Giant
How old the Universe is theorized to be
What is 13.8 billion years old
What black holes are outlined by/where they start
What is the Event horizon
The person who made the Heliocentric model(first or last name)
What is Nicolaus Copernicus
The Colors that mark the Hottest and Coldest stars
What is Blue(hottest) and Red(coldest)
The object in the center of a black hole
What is a Singularity
What is a Neutron Star
The line where space starts
What is the Karman line
What the CNO in "CNO cycle" stands for
What is Carbon Nitrogen Oxygen
Three qualifications to be considered a planet
What are Orbiting a star, being round, and having "cleared their neighborhood" (not in any order)
How far the Karman line is from sea level
What is 100km
What Oxidizers do
What is help to launch spacecraft
The element Red supergiants reach when they start collapsing
What is iron
What is theorized to happen when the Universe runs out of energy and stops expanding
What is start a new bigger bang
The theoretical object White dwarves turn into after trillions of years
What is Black dwarves