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phone support Rules overview
A black hole is an astronomical body so compact that its gravity prevents anything, including light, from escaping. Albert Einstein's theory of general relativity, which describes gravitation as the curvature of spacetime, predicts that any sufficiently compact mass will form a black hole. The boundary of no escape is called the event horizon. In general relativity, crossing a black hole's event horizon traps an object inside but produces no locally detectable change. General relativity also predicts that every black hole should have a central singularity, where the curvature of spacetime is infinite.
How to read this page. Start with the overview, use the progression map to understand the game’s shape, then jump through the rules index to the topic you need at the machine.
- 1Learn the layout
- 2Start the objectives
- 3Build scoring modes
- 4Reach the wizard layer