# 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 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
# What Are Newton’s Laws of Motion? Newton’s laws of motion are three basic physics rules created by Isaac Newton. They explain how forces change the movement of all objects, from falling apples to moving planets. ## Newton’s First Law: Law of Inertia An object at rest stays at rest. An object in motion stays … Read more