Space
What is the furthest planet away from the sun? (not including dwarf planet)
Neptune
What is the biggest country in the world?
Russia
How many planets are in the solar system (not including dwarf planets)
8
What is the smallest country in the world?
The Vatican city
what do you need to have a galaxy?
black hole
approximately what is the Earth's population?
8 Billion
How are black holes created?
when massive stars collapse under their own gravity at the end of their life cycle
What is dark matter
hypothetical form of matter that does not interact with light or other electromagnetic radiation, making it invisible and undetectable by direct observation.