Risultati di ricerca
5 giorni fa · In deze serie over kijkt Stephen Hawking naar het hele universum, van de oerknal tot het einde der tijden. In drie episodes komen verschillende onderwerpen aan bod, zoals aliens, tijdreizen, zwarte gaten en het begin en eind van het universum.
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3 giorni fa · Stephen Hawking was a British scientist, professor and author who performed groundbreaking work in physics and cosmology, and whose books helped to make science accessible to everyone. At age...
4 giorni fa · Stephen Hawking, a renowned theoretical physicist and cosmologist, made groundbreaking contributions to our understanding of black holes and the universe. His discovery of Hawking radiation revolutionized the study of black holes, and his work on the Big Bang theory provided critical insights into …
2 giorni fa · Hawking radiation is the theoretical thermal black-body radiation released outside a black hole 's event horizon. This is counterintuitive because once ordinary electromagnetic radiation is inside the event horizon, it cannot escape.
1 giorno fa · In many ways, a black hole acts like an ideal black body, as it reflects no light. [6] [7] Quantum field theory in curved spacetime predicts that event horizons emit Hawking radiation, with the same spectrum as a black body of a temperature inversely proportional to its mass.
3 giorni fa · Since there is no significant evidence on Earth, or elsewhere in the known universe, of other intelligent life after 13.8 billion years of the universe's history, there is a conflict requiring a resolution.
3 giorni fa · Gravitational energy, or gravitational potential energy, is the potential energy a massive object has because it is within a gravitational field. In classical mechanics, two or more masses always have a gravitational potential. Conservation of energy requires that this gravitational field energy is always negative, so that it is zero when the ...
