galactic disc (or galactic disk) is a component of disc galaxies, such as spiral galaxies like the Milky Way and lenticular galaxies. Galactic discs consist...

the center into the galactic disc. The spiral arms are sites of ongoing star formation and are brighter than the surrounding disc because of the young...

A disc galaxy (or disk galaxy) is a galaxy characterized by a galactic disc. This is a flattened circular volume of stars that are mainly orbiting the...

hypothetical source of the galactic halo of coronal gas may be the cumulative output of many “galactic fountains” in the galactic disc ejecting hot gas. The...

the Gaia Sausage. Disc galaxy – Type of galactic form Galactic bulge – Tightly packed group of stars within a larger formation Galactic corona – Hot, ionised...

relation in the Galactic disc. Ultraluminous X-ray sources (ULXs): What powers X-ray sources that are not associated with active galactic nuclei but exceed...

400 ± 3,600 light-years), by assuming that the galactic disc is well represented by an exponential disc and adopting a central surface brightness of the...

may contain galaxies. The dark matter halo of a galaxy envelops the galactic disc and extends well beyond the edge of the visible galaxy. Thought to consist...

An active galactic nucleus (AGN) is a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum...

Pokémon: Diamond and Pearl: Galactic Battles (advertised as Pokémon: DP Galactic Battles) is the twelfth season of the Pokémon animated series and the...

gas surrounding it. The standard model for an active galactic nucleus is based on an accretion disc that forms around a supermassive black hole (SMBH) at...

through Cassiopeia, containing a number of open clusters, young luminous galactic disc stars, and nebulae. IC 10 is an irregular galaxy that is the closest...

process. In pass-through galactic collisions, or bullseye collisions, an often smaller galaxy will pass directly through the disc of an often larger spiral...

galactic plane which bisects the galactic disc, the influence of the galactic tide is weaker. When re-entering the galactic disc—as it does every 20–25 million...

Kuijken K.; Gilmore G. (1989). "The Mass Distribution in the Galactic Disc – III. The Local Volume Mass Density". Monthly Notices of the Royal...

galaxies. A ring galaxy, as the name suggests, is a disc or spiral galaxy with its galactic disc structured or distorted into a ring or torus-like appearance...

manifest as spiral-shaped regions of enhanced brightness within the galactic disc. Typically, spiral galaxies exhibit two or more spiral arms. The collective...

orbits the Galactic Centre cause it to regularly pass through the galactic plane. When the Sun's orbit takes it outside the galactic disc, the influence...

asteroseismology confirm the lack of any strong age–metallicity relation in the Galactic disc. The lithium problem: Why is there a discrepancy between the amount...

position) and correspond here to the bright yellow region of the galactic disc (close to the galactic center), whereas the second and fourth correspond to images...

density of the Galactic disc. They showed that there was little or no dark matter within the disc other than that part of the Galactic dark matter halo...

trajectory, the Sgr dSph main cluster is about to pass through the galactic disc of the Milky Way within the next hundred million years, while the extended...

image depicts the right-most side[discuss] of the Andromeda Galaxy's galactic disc in visible light, and the displayed section is approximately 61,000...

Nebula (M76) Diffuse Nebula M78 Open Cluster M93 The Owl Nebula (M97) Galactic disc Gould Belt Jon Lomberg's Milky Way painting used as background for Kepler...

the primary galaxy's spiral arms. An example of a major interaction is a galactic collision, which may lead to a galaxy merger. A giant galaxy interacting...

"lopsided": they appear asymmetric in shape, meaning that one side of the galactic disc is more massive and less luminous than the other. This characteristic...

of the universe Galactic disc – Component of disc galaxies comprising gas and stars Formation and evolution of the Solar System Galactic coordinate system –...

'spiral arms', where particularly large numbers of stars can be found. Galactic disc Churchwell, Ed; Babler, Brian L.; Meade, Marlin A. (2009). "The Spitzer/GLIMPSE...

the galactic disk in 1958 on the Monthly Notices of the Royal Astronomical Society. This was the first neutral hydrogen map of the galactic disc and also...

the easily distorted galactic discs (or other extremities) of one or both bodies, rather than the gravitationally bound galactic centers. Two very prominent...