Topics of this game:
- the science that deals with space and the physical universe as a whole?
- the branch of astronomy that uses the laws of physics to understand more about the matter and energy of stars?
- the cosmic expansion that marked the origin of the universe 13.8 billion years ago, according to current theory?
- a region in space with a lot of mass packed into a small volume. The gravity is so strong that not even light can escape?
- a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction?
- a group of galaxies held together by gravitational attraction?
- What instrument do scientist use to detect black holes?
- the emission of energy as electromagnetic waves or as moving subatomic particles?
- What is the biggest black hole?
- What is the smallest black hole?
