enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. List of galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_galaxies

    Size (left) and distance (right) of a few well-known galaxies put to scale. The following is a list of notable galaxies.. There are about 51 galaxies in the Local Group (see list of nearest galaxies for a complete list), on the order of 100,000 in the Local Supercluster, and an estimated 100 billion in all of the observable universe.

  3. Lists of galaxies - Wikipedia

    en.wikipedia.org/wiki/Lists_of_galaxies

    A galaxy is a system of stars, stellar remnants, interstellar gas, dust, dark matter, bound together by gravity. The word is derived from the Greek galaxias, literally 'milky', a reference to the Milky Way galaxy that contains the Solar System.

  4. List of nearest galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest_galaxies

    Most distant (difficult) naked eye object. Closest unbarred spiral galaxy to us and third largest galaxy in the Local Group. 61,100 ly 96 Andromeda XXI [66] dSph [53] 2.802 0.859 −9.9 Local Group: Satellite of Andromeda 97 Tucana Dwarf: dE5 2.87 0.88 [7] −9.16 15.7 [1] Local Group [7] Isolated group member — a 'primordial' galaxy [67] 98 ...

  5. List of galaxy groups and clusters - Wikipedia

    en.wikipedia.org/wiki/List_of_galaxy_groups_and...

    Galaxy group Origin of name Notes Local Group: The galaxy group that includes the Milky Way. Bullet Group: Named in comparison with the Bullet Cluster, being of similar formation, except smaller. Also has a systematic catalogue name SL2S J08544-0121. As of 2014, it was the lowest mass object that showed separation between the concentrations of ...

  6. List of proper names of stars - Wikipedia

    en.wikipedia.org/wiki/List_of_proper_names_of_stars

    These names of stars that have either been approved by the International Astronomical Union or which have been in somewhat recent use. IAU approval comes mostly from its Working Group on Star Names, which has been publishing a "List of IAU-approved Star Names" since 2016. As of April 2022, the list included a total of 451 proper names of stars. [1]

  7. List of largest stars - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_stars

    Below are lists of the largest stars currently known, ordered by radius and separated into categories by galaxy. The unit of measurement used is the radius of the Sun (approximately 695,700 km; 432,300 mi).

  8. List of largest galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_galaxies

    This list uses the mean cosmological parameters of the Lambda-CDM model based on results from the 2015 Planck collaboration, where H 0 = 67.74 km/s/Mpc, Ω Λ = 0.6911, and Ω m = 0.3089. [3] Due to different techniques, each figure listed on the galaxies has varying degrees of confidence in them.

  9. List of spiral galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_spiral_galaxies

    This list is incomplete; you can help by adding missing items. ( August 2008 ) A spiral galaxy is a type of galaxy characterized by a central bulge of old Population II stars surrounded by a rotating disc of younger Population I stars.