The conversation between human and AI assistant.
Are black holes real?
Can astronauts fall into black holes?
Yes, if an astronaut got too close to a black hole, the gravitational pull on their body would become so strong that it would stretch them out into a long, thin shape—a process called "spaghettification." They would eventually be pulled into the black hole, and their body would be crushed down to a single point—a singularity—where all the mass is concentrated.