Black holes can form from old stars that collapsed in on themselves. So when a star gets too close to a black hole, that extreme gravity actually stretches the star. The materials within the star stretch out and the materials get hotter and thus brighter while circling the black hole.
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Hey mate,
Black holes can form from old stars that collapsed in on themselves. So when a star gets too close to a black hole, that extreme gravity actually stretches the star. The materials within the star stretch out and the materials get hotter and thus brighter while circling the black hole.
Hope it helps...