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In astronomy, a blue giant is a hot star with a luminosity class of III or II (bright giant). In the standard Hertzsprung–Russell diagram, these stars lie above and to the right of the main sequence.
26 wrz 2022 · What are giant blue stars? The blue supergiant called Rigel, around 870 light-years from the sun, is one of the brightest stars in the sky. (Image credit: NASA/STScI Digitized Sky Survey/Noel...
A blue supergiant (BSG) is a hot, luminous star, often referred to as an OB supergiant. They are usually considered to be those with luminosity class I and spectral class B9 or earlier, [ 1 ] although sometimes A-class supergiants are also deemed blue supergiants.
23 kwi 2021 · The mighty blue giant AG Carinae is one of the brightest stars in our Milky Way galaxy. It shines with the brilliance of 1 million suns. The Hubble Space Telescope snapped an image of this particularly large outburst.
19 mar 2022 · Blue giant stars are true rarities in our galaxy and also in the rest of the universe. Read on to find out more about them and what makes them unique.
26 mar 2024 · The hottest and brightest stars in the cosmos, blue supergiants, are created when two smaller stars spiral together and merge, a new study suggests.
3 lut 2009 · A blue giant star can put out 10,000 times as much energy as the Sun. Astronomers categorize blue giants as type O or B stars, belonging to the luminosity class III. The can reach an...
