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Hace 19 horas · A black hole is a region of spacetime where gravity is so strong that nothing, including light and other electromagnetic waves, is capable of possessing enough energy to escape it. Einstein's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. The boundary of no escape is called the event horizon.
Hace 19 horas · Ice is water that is frozen into a solid state, typically forming at or below temperatures of 0 °C, 32 °F, or 273.15 K.It occurs naturally on Earth, on other planets, in Oort cloud objects, and as interstellar ice.As a naturally occurring crystalline inorganic solid with an ordered structure, ice is considered to be a mineral.Depending on the presence of impurities such as particles of soil ...
