WebThere are four distinct types of galaxies in the universe, elliptical, spiral, barred spiral, and irregular. Although these are the four main types, there are various types of galaxies and the way in which they are classified is by their shape. A galaxy is a cluster of stars, gas, and dust that are kept together by the force of gravity. Web13 jul. 2024 · Credit: NASA, ESA, CSA, and STScI Some galaxies are spiral-shaped like ours. They have curved arms that make it look like a pinwheel. Other galaxies are smooth and oval shaped. They’re called elliptical galaxies. And there are also galaxies that aren’t spirals or ovals. They have irregular shapes and look like blobs.
4.23: What
Web19 nov. 2024 · Most spiral galaxies contain a central bulge surrounded by a flat, rotating disk of stars. The bulge in the center is made up of older, dimmer stars, and is thought to … Web8 apr. 2024 · 3. Galaxy Coordinates. A specific location in the sky can be queried by entering the sky coordinates and the field size. In the first release we only provide access to the SDSS images, if they are available. The SDSS coverage is mainly limited to the Northern sky. 4. Galaxy Image. Uploading a galaxy image from the local computer of … frank taieb maths
Spiral galaxy astronomy Britannica
WebThe spiral arms of galaxies are the the main production centres of young stars. The more gas and dust available, the greater the fraction of the galaxy that can be involved in star … Web7 feb. 2008 · The Virgo supercluster, for example, includes more than 2,500 galaxies and is located about 55 million light years from Earth. Poor clusters contain less than 1,000 galaxies. The Milky Way and the Andromeda … WebIn astronomy, a galactic bulge (or simply bulge) is a tightly packed group of stars within a larger star formation. The term almost exclusively refers to the central group of stars found in most spiral galaxies (see galactic spheroid).Bulges were historically thought to be elliptical galaxies that happened to have a disk of stars around them, but high-resolution images … bleach odc 200