About 30,000,000 results
Open links in new tab
  1. White hole - Wikipedia

    In general relativity, a white hole is a hypothetical region of spacetime and singularity that cannot be entered from the outside, although energy, matter, light and information can escape from it. In this …

  2. What Is a White Hole? Does the Cosmic Phenomenon Exist?

    May 7, 2024 · What Are White Holes? In astrophysics, a white hole represents a theoretical phenomenon where matter and light would emerge from, rather than be pulled into, a certain area in …

  3. What is a white hole? - BBC Science Focus Magazine

    A white hole is a bizarre cosmic object which is intensely bright, and from which matter gushes rather than disappears. In other words, it’s the exact opposite of a black hole. But unlike black holes, there’s …

  4. White Holes: Definition, Theory, Concept And A Simple Explanation

    Oct 19, 2023 · White holes are theoretical cosmic phenomena that function in the opposite way as black holes; instead of attracting matter into an infinitely dense singularity due to immense gravity, it …

  5. What Is a White Hole, and Do White Holes Really Exist?

    Nov 6, 2023 · Very simply, a white hole could be considered a black hole that runs backward in time. White holes would have some things in common with black holes: they would possess the …

  6. Could a white hole really exist? | BBC Sky at Night Magazine

    Oct 16, 2025 · A white hole is a time-reversed black hole – a region of spacetime where matter spontaneously appears and explodes outwards, rather than implodes and disappears as with a black …

  7. White Hole – Definition & Detailed Explanation - Sentinel Mission

    Nov 10, 2025 · What is a White Hole? A white hole is a theoretical region of spacetime that is the opposite of a black hole. While black holes are known for their intense gravitational pull from which …

  8. White Holes Explained: The Theoretical Opposite of Black Holes

    Nov 18, 2025 · White holes are theoretical objects that act as the opposite of black holes by pushing matter and energy outward instead of pulling them in. They feature an event horizon through which …

  9. What is a White Hole? - Universe Guide

    Nov 16, 2025 · White Holes are theoretical objects in space, opposite to Black Holes, expelling matter instead of pulling matter into it. You've probably heard of a Black Hole, a dense area of space where …

  10. What Is a White Hole? What You Need to Know About the Black Hole

    Dec 28, 2023 · What Is a White Hole? White holes are hypothetical cosmic areas that operate differently from black holes. Nothing can enter a white hole, just as nothing can escape a black hole.