Black holes and time dilation. How is time affected in the vicinity of a black hole?
Spagettification effect. How would an astronaut be affected if tried to enter a black hole? (Remember the tidal waves in the movie “Interstellar”).
What do we mean by “Event Horizon”? What happens if an astronaut crosses that line?
Will our Sun ever become a black hole? Why yes or why not?
What determines if a star become a black hole?
Is there a black hole at the center of our galaxy? Ho do astronomers can tell about its existence?
Cygnus X-1 system is a suspected black hole. What X stands for? How do astronomers know about the mass of this suspected black hole?
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