Walter Baade categorized groups of stars within the Milky Way into stellar populations. In the abstract of the article by Baade, he recognizes that Jan... 35 KB (3,543 words) - 15:27, 30 April 2024 |
In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is... 103 KB (11,333 words) - 00:20, 15 May 2024 |
Galactic Center (section Stellar population) Vanhollebeke, E.; Groenewegen, M. A. T.; Girardi, L. (April 2009). "Stellar populations in the Galactic bulge. Modelling the Galactic bulge with TRILEGAL"... 48 KB (4,918 words) - 20:36, 11 May 2024 |
Stellar evolution is the process by which a star changes over the course of time. Depending on the mass of the star, its lifetime can range from a few... 49 KB (6,424 words) - 20:50, 5 March 2024 |
Metallicity (redirect from Stellar metallicity) different populations of stars. These became commonly known as population I (metal-rich) and population II (metal-poor) stars. A third, earliest stellar population... 38 KB (4,441 words) - 02:12, 25 April 2024 |
Stellar parallax is the apparent shift of position (parallax) of any nearby star (or other object) against the background of distant stars. By extension... 21 KB (2,775 words) - 05:05, 7 April 2024 |
A stellar wind is a flow of gas ejected from the upper atmosphere of a star. It is distinguished from the bipolar outflows characteristic of young stars... 5 KB (592 words) - 03:27, 3 August 2023 |
Star (redirect from Stellar radius) affects the strength of its stellar wind. Older, population II stars have substantially less metallicity than the younger, population I stars due to the composition... 146 KB (16,321 words) - 04:24, 9 May 2024 |
R. Michael Rich (section Stellar populations) Astronomical Union. Rich pioneered the modern study of the central bulge/bar stellar population of the Milky Way galaxy, obtaining the first spectroscopy and metal... 17 KB (1,711 words) - 22:27, 2 December 2023 |
Population may also refer to: Statistical population, a set of similar items or events which is of interest for some question or experiment Stellar population... 868 bytes (147 words) - 17:36, 21 April 2023 |
A stellar black hole (or stellar-mass black hole) is a black hole formed by the gravitational collapse of a star. They have masses ranging from about 5... 40 KB (4,015 words) - 04:42, 24 April 2024 |
Young stellar object (YSO) denotes a star in its early stage of evolution. This class consists of two groups of objects: protostars and pre-main-sequence... 5 KB (612 words) - 15:29, 12 April 2024 |
Galactic disc (redirect from Stellar disk) a stellar component (composed of most of the galaxy's stars) and a gaseous component (mostly composed of cool gas and dust). The stellar population of... 9 KB (1,274 words) - 07:00, 24 April 2024 |
A stellar-wind bubble is a cavity light-years across filled with hot gas blown into the interstellar medium by the high-velocity (several thousand km/s)... 2 KB (217 words) - 07:57, 13 August 2023 |
A stellar core is the extremely hot, dense region at the center of a star. For an ordinary main sequence star, the core region is the volume where the... 15 KB (1,845 words) - 05:26, 29 January 2024 |
T.; Sander, A. A. C.; Todt, H.; Gallagher, J. S. (2018-07-01). "Stellar population of the superbubble N 206 in the LMC. II. Parameters of the OB and... 13 KB (968 words) - 16:41, 15 April 2024 |
An astronomical object, celestial object, stellar object or heavenly body is a naturally occurring physical entity, association, or structure that exists... 29 KB (1,594 words) - 23:40, 3 May 2024 |
Neutron star (redirect from Stellar spin-down) black holes, neutron stars are the smallest and densest known class of stellar objects. Neutron stars have a radius on the order of 10 kilometers (6 mi)... 110 KB (13,299 words) - 13:20, 11 May 2024 |
NGC 1193 (section Stellar population) 1193 is usually classified as a Trumpler type II3m, indicating its stellar population have a wide range of brightness, from very bright to faint stars and... 4 KB (298 words) - 05:22, 24 April 2024 |
Star formation (redirect from Stellar nursery) within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or "star-forming regions", collapse and form stars. As a branch... 45 KB (5,279 words) - 18:55, 20 April 2024 |
Subgiant (redirect from Hook (stellar evolution)) Cassisi, Santi (2005). "Evolution of Stars and Stellar Populations". Evolution of Stars and Stellar Populations: 400. Bibcode:2005essp.book.....S. Pols, Onno... 29 KB (3,699 words) - 23:28, 24 March 2024 |
Stellar structure models describe the internal structure of a star in detail and make predictions about the luminosity, the color and the future evolution... 15 KB (2,064 words) - 10:24, 10 May 2024 |
Compact object (redirect from Stellar Remnant) often the endpoints of stellar evolution and, in this respect, are also called stellar remnants. The state and type of a stellar remnant depends primarily... 20 KB (2,582 words) - 04:27, 7 April 2024 |