Αποτελέσματα Αναζήτησης
An elliptical galaxy is defined as a type of galaxy that exhibits a correlation between the velocity dispersion of its stars and its intrinsic luminosity. It is also characterized by its occupation of a 'fundamental plane' where the galaxy size is tightly correlated with the surface brightness and velocity dispersion.
15 Ιουλ 2009 · One of the most-debated subjects in modern astrophysics is how elliptical galaxies, which are among the oldest known objects in the Universe, formed. Among the various likely formation...
An elliptical galaxy is a type of galaxy that is classified based on its shape and visual appearance. It is typically large, contains millions to trillions of stars, and lacks the spiral arms seen in spiral galaxies.
11 Αυγ 2003 · We suggest a set of morphological measures that we believe can help in quantifying the shapes of two-dimensional cosmological images such as galaxies, clusters and superclusters of galaxies.
4 Αυγ 2011 · This article reviews the progress since then, providing both an historical perspective and a contemporary review of the stellar structure of bulges, discs and elliptical galaxies.
Elliptical galaxies are characterized by several properties that make them distinct from other classes of galaxy. They are spherical or ovoid masses of stars, starved of star-making gases.
THE CLASSIFICATION OF ELLIPTICAL GALAXIES. In the last few years, amateur astrophotography has become more professional. This allows interesting features to be seen even in the apparently uninteresting elliptical galaxies, making visible the results of current research.
