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  2. List of galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_galaxies

    In the 1980s, the Lyons Groups of Galaxies listed 485 galaxy groups with 3,933 member galaxies. Galaxy Zoo is a project aiming at a more comprehensive list: launched in July 2007, it has classified over one million galaxy images from The Sloan Digital Sky Survey, The Hubble Space Telescope and the Cosmic Assembly Near-Infrared Deep ...

  3. Observable universe - Wikipedia

    en.wikipedia.org/wiki/Observable_universe

    The observable universe contains as many as an estimated 2 trillion galaxies [36] [37] [38] and, overall, as many as an estimated 10 24 stars [39] [40] – more stars (and, potentially, Earth-like planets) than all the grains of beach sand on planet Earth. [41] [42] [43] Other estimates are in the hundreds of billions rather than trillions.

  4. Green comet 2023 – live: How to see E3 in sky tonight before ...

    www.aol.com/news/green-comet-2023-live-best...

    But the space agency noted that the observations and results are still “scientifically very valuable.” Where best to see the green comet in the US Thursday 2 February 2023 03:02 , Graeme Massie

  5. List of nearest galaxies - Wikipedia

    en.wikipedia.org/wiki/List_of_nearest_galaxies

    This is a list of known galaxies within 3.8 megaparsecs (12.4 million light-years) of the Solar System, in ascending order of heliocentric distance, or the distance to the Sun. This encompasses about 50 major Local Group galaxies, and some that are members of neighboring galaxy groups , the M81 Group and the Centaurus A/M83 Group , and some ...

  6. Messier 81 - Wikipedia

    en.wikipedia.org/wiki/Messier_81

    M82 is one of two galaxies strongly influenced gravitationally by M81. The other, NGC 3077, is located off the top edge of this image. M81 with satellite galaxy Holmberg IX in the top center-right corner. Only one supernova has been detected in Messier 81. [18] The supernova, named SN 1993J, was discovered on 28 March 1993 by F. García in ...

  7. SpaceX launch tonight: Everything to know about the Starlink ...

    www.aol.com/spacex-launch-tonight-everything...

    The Space Force's 45th Weather Squadron pegs the odds of "go" conditions at 95% for the possible launch. "Overall launch weather conditions look very favorable for a launch attempt this weekend.

  8. Shimmering galaxies revealed in new photos by European space ...

    www.aol.com/news/shimmering-galaxies-revealed...

    In one picture, Euclid captured a group shot of 1,000 galaxies in a cluster 240 million light-years away, against a backdrop of more than 100,000 galaxies billions of light-years away. A light ...

  9. Laniakea Supercluster - Wikipedia

    en.wikipedia.org/wiki/Laniakea_Supercluster

    A video showing in 3D Laniakea and other nearby superclusters of galaxies The Laniakea Supercluster encompasses approximately 100,000 galaxies stretched out over 160 Mpc (520 million ly ). It has the approximate mass of 10 17 solar masses, or 100,000 times that of our galaxy, which is almost the same as that of the Horologium Supercluster . [ 3 ]