• Thumbnail for Stellar population
    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
  • Thumbnail for Stellar classification
    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
  • Thumbnail for Stellar kinematics
    In astronomy, stellar kinematics is the observational study or measurement of the kinematics or motions of stars through space. Stellar kinematics encompasses...
    60 KB (7,047 words) - 17:33, 13 April 2024
  • Thumbnail for Stellar nucleosynthesis
    In astrophysics, stellar nucleosynthesis is the creation of chemical elements by nuclear fusion reactions within stars. Stellar nucleosynthesis has occurred...
    37 KB (4,238 words) - 06:10, 8 April 2024
  • Thumbnail for Galactic Center
    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
  • Thumbnail for Stellar evolution
    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
  • Thumbnail for 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
  • Thumbnail for Stellar parallax
    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
  • Thumbnail for Stellar wind
    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
  • Thumbnail for Star
    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
  • 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
  • Thumbnail for Stellar corona
    Hertzsprung–Russell diagram. These coronae can be detected using X-ray telescopes. Some stellar coronae, particularly in young stars, are much more luminous than the Sun's...
    62 KB (7,681 words) - 04:04, 2 May 2024
  • Thumbnail for Stellar black hole
    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
  • Thumbnail for Young stellar object
    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
  • Thumbnail for Galactic disc
    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
  • Thumbnail for Stellar-wind bubble
    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
  • Thumbnail for Astronomical object
    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
  • Thumbnail for Neutron star
    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
  • Thumbnail for NGC 1193
    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
  • Thumbnail for Star formation
    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
  • Thumbnail for Subgiant
    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
  • Thumbnail for Stellar structure
    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
  • Thumbnail for Intergalactic star
    intergalactic stars are referred to as the intracluster stellar population, or IC population for short, in the scientific literature. The hypothesis that...
    12 KB (1,494 words) - 21:35, 4 December 2023
  • Thumbnail for Globular cluster
    reveals multiple stellar populations as indicated by the presence of closely separated curves, each corresponding to a distinct population of stars with...
    105 KB (11,846 words) - 13:26, 27 April 2024
  • Thumbnail for Stellar atmosphere
    The stellar atmosphere is the outer region of the volume of a star, lying above the stellar core, radiation zone and convection zone. The stellar atmosphere...
    7 KB (818 words) - 16:16, 5 January 2024
  • 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
  • Thumbnail for Andromeda Galaxy
    which may indicate recent or ongoing star formation. M32 has a young stellar population as well. The Triangulum Galaxy is a non-dwarf galaxy that lies 750...
    108 KB (10,637 words) - 06:11, 13 May 2024