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impulsadas por la contracción gravitacional a través del mecanismo Kelvin-Helmholtz, que ahora se sabe que no se aplica a secuencia principal estrellas…104 kB (11 914 palabras) - 19:51 11 abr 2024
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- Thermal time scale (redirección desde Kelvin-Helmholtz time scale)In astrophysics, the thermal time scale or Kelvin–Helmholtz time scale is the approximate time it takes for a star to radiate away its total kinetic energy…3 kB (337 palabras) - 02:37 25 sep 2023
- limit is reached, and thereafter contraction will continue on a Kelvin–Helmholtz timescale with the temperature remaining stable. Stars with less than 0…45 kB (5279 palabras) - 18:55 20 abr 2024
- than the age of the Earth. (This collapse time is known as the Kelvin–Helmholtz timescale.) Albert Einstein's development of the theory of relativity in…64 kB (8861 palabras) - 14:29 24 feb 2024
- time period. The hypothesis of heat death stems from the ideas of Lord Kelvin who, in the 1850s, took the theory of heat as mechanical energy loss in…29 kB (3347 palabras) - 22:12 24 abr 2024
- themselves but were based on faulty assumptions. The physicist Hermann von Helmholtz (in 1856) and astronomer Simon Newcomb (in 1892) contributed their own…45 kB (5444 palabras) - 18:45 23 feb 2024
- Shugo; Inutsuka, Shu-ichiro (2006). "A two-fluid analysis of the kelvin-helmholtz instability in the dusty layer of a protoplanetary disk: a possible…75 kB (9132 palabras) - 21:19 18 mar 2024
- of the planet and to the local gas density, and results in a migration timescale that tends to be short relative to the million-year lifetime of the gaseous…40 kB (5112 palabras) - 00:31 4 may 2024
- 8×10−12(T9/2)33[clarification needed], where T9 is the temperature in billion kelvins. Overall, the major products of the oxygen-burning process are 28Si, 32…10 kB (1078 palabras) - 18:39 5 feb 2023
- solar-mass star to just over 1,000 years for more massive stars. The timescale gets slightly shorter with lower metallicity. Towards the end of this…4 kB (461 palabras) - 10:29 5 ene 2024
- emission of Hawking radiation can be calculated to correspond to the timescale of gravitational effects on time,[clarification needed] such that the…5 kB (501 palabras) - 17:01 6 abr 2024
- magnetization becomes important when considering nanoscale and nanosecond timescale magnetization. Rather than simply aligning with an applied field, the…12 kB (1503 palabras) - 00:42 2 oct 2023
- Lord Kelvin suggested that the Sun is a gradually cooling liquid body that is radiating an internal store of heat. Kelvin and Hermann von Helmholtz then…166 kB (18 759 palabras) - 16:23 3 may 2024
- object Theoretical concepts Accretion Initial mass function Jeans instability Kelvin–Helmholtz mechanism Nebular hypothesis Planetary migration v t e…5 kB (611 palabras) - 22:45 3 mar 2024
- supported by electron degeneracy pressure, helium fusion will ignite on a timescale of days in a helium flash. In the nondegenerate cores of more massive…49 kB (6424 palabras) - 20:50 5 mar 2024
- the direction of polarisation itself rotates. This rotation occurs on a timescale that depends on the torque and surrounding local viscosity of the molecules…37 kB (4758 palabras) - 01:21 16 mar 2024
- vorticity has zero divergence). It is a consequence of Helmholtz's theorems (or equivalently, of Kelvin's circulation theorem) that in an inviscid fluid the…21 kB (2448 palabras) - 13:57 8 mar 2024
- supposed that stars were powered by gravitational contraction via the Kelvin–Helmholtz mechanism, which is now known to not apply to main-sequence stars.…103 kB (11 333 palabras) - 00:13 12 abr 2024
- like the Solar System. Circumstellar discs are estimated to dissipate on timescales of up to 10 million years. Most T Tauri stars are in binary star systems…9 kB (928 palabras) - 20:03 20 mar 2024
- notable physicists of the 19th century such as Mayer, Waterson, von Helmholtz, and Lord Kelvin, postulated that the Sun radiates thermal energy by converting…18 kB (2068 palabras) - 14:51 23 nov 2023
- class of stars, called rapidly oscillating Ap (roAp) stars, exhibit short-timescale, millimagnitude photometric variations and variations in radial velocities…6 kB (841 palabras) - 01:26 29 feb 2024
- spiral arms suggests that molecular clouds must form and dissociate on a timescale shorter than 10 million years—the time it takes for material to pass through…33 kB (3729 palabras) - 12:58 4 may 2024