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An illustration of the structure of the Sun and a red giant star, showing their convective zones. These are the granular zones in the outer layers of the stars. A convection zone, convective zone or convective region of a star is a layer which is unstable due to convection. Energy is primarily or partially transported by convection in such
The Star Trek Star Charts have the Romulans and Klingons entirely within the Beta Quadrant, as well as the Gorn Hegemony, the Son'a Solidarity, and the Metron Consortium. The Star Trek Star Charts further locate in the Alpha Quadrant the First Federation, Breen, Ferengi, Tzenkethi, Cardassians, Bajorans, Talarians, and Tholians.
The third dredge-up occurs after a star enters the asymptotic giant branch, after a flash occurs in a helium-burning shell. The third dredge-up brings helium, carbon, and the s-process products to the surface, increasing the abundance of carbon relative to oxygen; in some larger stars this is the process that turns the star into a carbon star. [3]
He therefore replaced the model by including the effects of thick convection zones on a star's interior. A few years prior, Osterbrock proposed deep convection zones with efficient convection, analyzing them using the opacity of H − ions (the dominant opacity source in cool atmospheres) in temperatures below 5000 K. However, the earliest ...
The radius of the radiative zone increases monotonically with mass, with stars around 1.2 solar masses being almost entirely radiative. Above 1.2 solar masses, the core region becomes a convection zone and the overlying region is a radiative zone, with the amount of mass within the convective zone increasing with the mass of the star. [7]
The tachocline is the transition region of stars of more than 0.3 solar masses, between the radiative interior and the differentially rotating outer convective zone. This causes the region to have a very large shear as the rotation rate changes very rapidly.
At the center of Star Trek: Section 31 is Michelle Yeoh.Everything else within the first Trek film of the Paramount+ era orbits around her. The visuals, the camera work, the colors of the costumes ...
"Wink of an Eye" is the eleventh episode of the third season of the American science fiction television series Star Trek. Written by Arthur Heinemann, based on a story by Gene L. Coon (under the pen name Lee Cronin), and directed by Jud Taylor, it was first broadcast on November 29, 1968.