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24 de nov. de 2022 · published 24 November 2022. The night sky can be a wondrous place filled with stars, but there are some brilliant celestial lights that shine brighter than others. Here we explore some of the...
The Sun is the brightest star as viewed from Earth, at −26.78 mag. The second brightest is Sirius at −1.46 mag. For comparison, the brightest non-stellar objects in the Solar System have maximum brightnesses of: the Moon −12.7 mag; Venus −4.92 mag; Jupiter −2.94 mag; Mars −2.94 mag; Mercury −2.48 mag; Saturn −0.55 mag
1. Sirius (−1.46, Canis Major) 2. Canopus (−0.74, Carina) 3. Alpha Centauri (−0.1, Centaurus) 4. Arcturus (−0.05, Boötes) 5. Vega (0.03, Lyra) 6. Capella (0.08, Auriga) 7. Rigel (0.13, Orion) 8. Procyon (0.37, Canis Minor) 9. Betelgeuse (0.42, Orion) 10. Achernar (0.46, Eridanus)
2 de feb. de 2024 · Sirius is the sky’s brightest star. You’ll always know it’s Sirius because Orion’s Belt – 3 stars in a short, straight row – points to it. Also, as seen from the latitudes like those in...
24 de oct. de 2023 · Sirius, also known as the Dog Star or Sirius A, is the brightest star in Earth's night sky. The name means "glowing" in Greek — a fitting description, as only a few planets, the full moon and the...
- 6 min
- Elizabeth Howell,Ailsa Harvey
Sirius, brightest star in the night sky, with apparent visual magnitude −1.46. It is a binary star in the constellation Canis Major. The bright component of the binary is a blue-white star 25.4 times as luminous as the Sun. It has a radius 1.71 times that of the Sun and a surface temperature of 9,940 kelvins (K), which is more than 4,000 K ...
15 de jul. de 2014 · The brightest star in the sky is Sirius, also known as the “Dog Star” or, more officially, Alpha Canis Majoris, for its position in the constellation Canis Major. Sirius is a binary star dominated by a luminous main sequence star, Sirius A, with an apparent magnitude of -1.46.
