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  2. WEBMay 6, 2024 · Learn how gravity works, what it does, and how it affects us and the universe. Find out about gravity on Earth, in space, and in black holes.

  3. Nasa shows what it's like inside a black hole - BBC

  4. WEBMay 6, 2024 · Gravitational waves travel at the speed of light (186,000 miles per second). These waves squeeze and stretch anything in their path as they pass by. A gravitational wave is an invisible (yet incredibly fast) …

  5. WEB3 days ago · General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of …