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  2. Star - Wikipedia

    en.wikipedia.org/wiki/Star

    A star-forming region in the Large Magellanic Cloud. A star is a luminous spheroid of plasma held together by self-gravity. [ 1] The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night; their immense distances from Earth make them appear as fixed points of light.

  3. Arcturus - Wikipedia

    en.wikipedia.org/wiki/Arcturus

    Arcturus is the brightest star in the northern constellation of Boötes. With an apparent visual magnitude of −0.05, [ 2] it is the fourth-brightest star in the night sky, and the brightest in the northern celestial hemisphere. The name Arcturus originated from ancient Greece; it was then cataloged as α Boötis by Johann Bayer in 1603, which ...

  4. Pleiades - Wikipedia

    en.wikipedia.org/wiki/Pleiades

    The Pleiades ( / ˈpliː.ədiːz, ˈpleɪ -, ˈplaɪ -/ ), [ 8][ 9] also known as the Seven Sisters and Messier 45, is an asterism of an open star cluster containing middle-aged, hot B-type stars in the northwest of the constellation Taurus.

  5. List of proper names of stars - Wikipedia

    en.wikipedia.org/wiki/List_of_proper_names_of_stars

    In 2016, the International Astronomical Union (IAU) organized a Working Group on Star Names (WGSN) [2] to catalog and standardize proper names for stars. The WGSN's first bulletin, dated July 2016, [3] included a table of 125 stars comprising the first two batches of names approved by the WGSN (on 30 June and 20 July 2016) together with names of stars adopted by the IAU Executive Committee ...

  6. List of stars with resolved images - Wikipedia

    en.wikipedia.org/wiki/List_of_stars_with...

    The following is a list of stars with resolved images, that is, stars whose images have been resolved beyond a point source. Aside from the Sun, observed from Earth, stars are exceedingly small in apparent size, requiring the use of special high-resolution equipment and techniques to image.

  7. Orion (constellation) - Wikipedia

    en.wikipedia.org/wiki/Orion_(constellation)

    Click on to see large image. Orion is a prominent set of stars visible during winter in the northern celestial hemisphere. It is one of the 88 modern constellations; it was among the 48 constellations listed by the 2nd-century astronomer Ptolemy. It is named after a hunter in Greek mythology .

  8. Astrophotography - Wikipedia

    en.wikipedia.org/wiki/Astrophotography

    An image of Orion's Belt composited from digitized black-and-white photographic plates recorded through red and blue astronomical filters, with a computer synthesized green channel. The plates were taken using the Samuel Oschin Telescope between 1987 and 1991. Astrophotography, also known as astronomical imaging, is the photography or imaging ...

  9. List of largest stars - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_stars

    A yellow hypergiant star, similar to V382 Carinae, that is also visble to the naked eye. CW Leonis: 560 [87] L/T eff: The nearest carbon star. V382 Carinae (x Carinae) 485 ± 56 [88] L/T eff: A yellow hypergiant, one of the rarest types of stars. V838 Monocerotis: 464 [89] L/T eff: During the 2002 Red Nova, the star's radius may have increased ...

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