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Antares

Antares, Alpha Scorpii. Often referred to as 'the heart of the scorpion' is on average the fifteenth-brightest star in the night sky, and the brightest object in the constellation of Scorpius. Distinctly reddish/orange when viewed with the naked eye, Antares is a slow irregular variable star that ranges in brightness from apparent magnitude +0.6 to +1.6. Antares is a red supergiant, a large evolved massive star and one of the largest stars visible to the naked eye. Its exact size remains uncertain, but if placed at the centre of the Solar System, it would reach to somewhere between the orbits of Mars and Jupiter. Its mass is calculated to be around 12 times that of the Sun. Antares appears as a single star when viewed with the naked eye, but it is actually a binary star. The brighter of the pair is the red supergiant, while the fainter is a hot main sequence star of magnitude 5.5. Antares is located approximately 550 light years away from Earth. Image taken on 06-04-2021.
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Title:
Antares
Caption:
Antares, Alpha Scorpii. Often referred to as 'the heart of the scorpion' is on average the fifteenth-brightest star in the night sky, and the brightest object in the constellation of Scorpius. Distinctly reddish/orange when viewed with the naked eye, Antares is a slow irregular variable star that ranges in brightness from apparent magnitude +0.6 to +1.6. Antares is a red supergiant, a large evolved massive star and one of the largest stars visible to the naked eye. Its exact size remains uncertain, but if placed at the centre of the Solar System, it would reach to somewhere between the orbits of Mars and Jupiter. Its mass is calculated to be around 12 times that of the Sun. Antares appears as a single star when viewed with the naked eye, but it is actually a binary star. The brighter of the pair is the red supergiant, while the fainter is a hot main sequence star of magnitude 5.5. Antares is located approximately 550 light years away from Earth. Image taken on 06-04-2021.
Credit:
Album / Science Source / John Chumack
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Image size:
6300 x 4560 px | 82.2 MB
Print size:
53.3 x 38.6 cm | 21.0 x 15.2 in (300 dpi)
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