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The first four partial sums of the series 1 + 2 + 3 + 4 + ⋯.The parabola is their smoothed asymptote; its y-intercept is −1/12. [1]The infinite series whose terms ...
The no-hair theorem (which is a hypothesis) states that all stationary black hole solutions of the Einstein–Maxwell equations of gravitation and electromagnetism in general relativity can be completely characterized by only three independent externally observable classical parameters: mass, electric charge, and angular momentum. [1]
A charged black hole is a black hole that possesses electric charge. Since the electromagnetic repulsion in compressing an electrically charged mass is dramatically greater than the gravitational attraction (by about 40 orders of magnitude), it is not expected that black holes with a significant electric charge will be formed in nature.
In the Reissner–Nordström metric, which describes electrically charged but non-rotating black holes, there is a quantity rq, defined by where q is the electron's charge, and ε0 is the vacuum permittivity. For an electron with q = − e = −1.602 × 10−19 C, this gives a value. rq = 1.3807 × 10−36 m. Since this (vastly) exceeds the ...
The centerpiece of her ensemble was a black maxi dress with ruched details and a scoop neckline. ... Jolie further elevated the sophisticated ensemble with the same black sunglasses, plus gold and ...
In the letter he goes on to say, "I couldn't give up my career, besides the fact that my mother and sisters, since my father's death, rely on me completely. I have showbiz in my blood now and I would be lost without it." Richard urged her to "find someone who is free to love you as you deserve to be loved" and who "is able to marry you". [104]
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Black-body radiation. Black-body radiation is the thermal electromagnetic radiation within, or surrounding, a body in thermodynamic equilibrium with its environment, emitted by a black body (an idealized opaque, non-reflective body). It has a specific, continuous spectrum of wavelengths, inversely related to intensity, that depend only on the ...