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  2. Red giant - Wikipedia

    en.wikipedia.org/wiki/Red_giant

    The red-giant branch variable star Gamma Crucis is the nearest M-class giant star at 88 light-years. [25] The K1.5 red-giant branch star Arcturus is 36 light-years away. [ 26 ]

  3. List of largest stars - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_stars

    This is the nearest red giant to the Earth, and the fourth brightest star in the night sky. Pollux (β Geminorum) 9.06 ± 0.03 [95] AD The nearest giant star to the Earth. Spica (α Virginis A) 7.47 ± 0.54 [101] One of the nearest supernova candidates and the sixteenth-brightest star in the night sky. Regulus (α Leonis A) 4.16 × 3.14 [102]

  4. The red giant star Betelgeuse is closer than we thought ... - AOL

    www.aol.com/red-giant-star-betelgeuse-closer...

    This red giant star will, one day, explode as a supernova. ... We found the second smaller event was likely due to the pulsations of the star,” Dr. Meridith ... This new study finds its body ...

  5. Serpens - Wikipedia

    en.wikipedia.org/wiki/Serpens

    A variable star of a different kind is Tau 4 Serpentis, a cool red giant that pulsates between magnitudes 5.89 and 7.07 in 87 days. [40] This star has been found to display an inverse P Cygni profile, [41] where cold infalling gas on to the star creates redshifted hydrogen absorption lines next to the normal emission lines. [42]

  6. Detailed image of red giant confirms theory about massive stars

    www.aol.com/news/2018-01-30-detailed-image-of...

    The red giant π1 Gruis is 530 light-years away, and it's reaching the end of its natural life. Soon, scientists think it will become a planetary nebula. But before it dies, astronomers are using ...

  7. List of most massive stars - Wikipedia

    en.wikipedia.org/wiki/List_of_most_massive_stars

    The list specifically excludes both white dwarfs – former stars that are now seen to be "dead" but radiating residual heat – and black holes – fragmentary remains of exploded stars which have gravitationally collapsed, even though accretion disks surrounding those black holes might generate heat or light exterior to the star's remains ...

  8. Astronomers discover strange new type of star hidden in the ...

    www.aol.com/news/never-seen-old-smoker-stars...

    Infrared images show a red giant star, located 30,000 light years away near the center of the Milky Way. The star faded away and then reappeared over the course of several years. - Philip Lucas ...

  9. R Doradus - Wikipedia

    en.wikipedia.org/wiki/R_Doradus

    R Doradus (HD 29712 or P Doradus) is a red giant variable star in the far-southern constellation Dorado, close to the border with Reticulum. Its distance from Earth is 178 light-years (55 parsecs). Having a uniform disk diameter of 57 ± 5 mas, it is thought to be the extrasolar star with the largest apparent size as viewed from Earth.