• 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 (3,549 words) - 18:58, 9 November 2024
  • The Astrophysical Journal in January 2024. It contains a metal-poor stellar population, indicating an extreme age of 11 billion years. Located about 32,600...
    4 KB (366 words) - 00:49, 29 October 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...
    48 KB (5,543 words) - 03:22, 13 October 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) - 21:20, 1 October 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...
    41 KB (4,777 words) - 21:26, 7 November 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...
    106 KB (11,557 words) - 22:43, 9 November 2024
  • 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 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 (4,922 words) - 23:59, 17 September 2024
  • Thumbnail for Stellar evolution
    Stellar evolution is the process by which a star changes over the course of its lifetime and how it can lead to the creation of a new star. Depending...
    50 KB (6,476 words) - 03:27, 27 October 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 (7,016 words) - 21:20, 1 October 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 (1,747 words) - 21:53, 10 August 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...
    22 KB (2,778 words) - 12:33, 13 October 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 (1,275 words) - 22:58, 30 July 2024
  • 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...
    148 KB (16,434 words) - 01:14, 22 November 2024
  • Thumbnail for Neutron star
    holes, neutron stars are the second smallest and densest known class of stellar objects. Neutron stars have a radius on the order of 10 kilometers (6 mi)...
    115 KB (13,830 words) - 21:58, 16 November 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...
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  • 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...
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  • Thumbnail for Stellar designations and names
    In astronomy, stars have a variety of different stellar designations and names, including catalogue designations, current and historical proper names...
    18 KB (2,165 words) - 06:10, 18 November 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 (3,704 words) - 14:29, 1 October 2024
  • 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 (7,677 words) - 17:36, 18 October 2024
  • 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) - 23:40, 18 October 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) - 02:09, 21 June 2024
  • Thumbnail for Stellar dynamics
    Stellar dynamics is the branch of astrophysics which describes in a statistical way the collective motions of stars subject to their mutual gravity. The...
    79 KB (17,618 words) - 21:20, 1 October 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...
    111 KB (10,782 words) - 13:57, 24 November 2024
  • Thumbnail for Markarian 1014
    its regions with a steeper blue continuum spectrum, it has a young stellar population of stars aged between 180 and 290 million years old. These stars are...
    10 KB (1,092 words) - 15:45, 6 November 2024
  • Thumbnail for Stellar isochrone
    In stellar evolution, an isochrone is a curve on the Hertzsprung-Russell diagram, representing a population of stars of the same age but with different...
    3 KB (369 words) - 04:39, 18 June 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 (2,089 words) - 21:20, 1 October 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...
    14 KB (1,598 words) - 16:20, 14 September 2024
  • 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...
    106 KB (11,877 words) - 04:55, 18 November 2024
  • Thumbnail for Star system
    Star system (redirect from Stellar system)
    A star system or stellar system is a small number of stars that orbit each other, bound by gravitational attraction. A large group of stars bound by gravitation...
    41 KB (4,555 words) - 00:43, 11 October 2024