black hole

What Is a Black Hole? Mysteries & Facts About Black Holes

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Black hole illustration in deep outer space, astronomy and cosmic gravity

# What Is a Black Hole? A black hole is a strange and powerful object in outer space. It has incredibly strong gravity. Once anything crosses its boundary called the event horizon, nothing can escape, not even light. Since light cannot get out, we cannot see the black hole directly, which gives it the name … Read more

What Is Black Hole? Mysteries of Black Holes in Space

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Black hole illustration in deep space, astronomy and cosmic gravity

# What Is a Black Hole? A black hole is a cosmic object with extremely strong gravity. Its gravitational pull is so powerful that nothing, not even light, can escape once it crosses the event horizon. That is why it looks “black”. ## How Black Holes Form Large stars create black holes at the end … Read more