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Measurement. 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 [1] Venus −4.92 mag. Jupiter −2.94 mag. Mars −2.94 mag. Mercury −2.48 mag. Saturn −0.55 mag [2]
Sirius A is the brightest star in the night sky. (more) These are the 26 brightest stars as seen from Earth, listed in descending order of brightness. The list includes each star’s apparent magnitude and constellation (except for the Sun).
Sirius, the brightest star in the Earth’s sky, lies only 8.60 light years away and is one of the nearest stars to the Sun. With twice the Sun’s mass and a radius 1.711 times solar, it is 25.4 times more luminous than the Sun. Nicknamed the Dog Star, it lies in the constellation Canis Major.
NameBayer DesignationApparent MagnitudeDistance (light Years)Alpha Canis Majoris-1.468.60Alpha Carinae-0.733103. Rigil Kentaurus-0.294.37Alpha Boötis-0.0536.7 ± 0.2With an apparent magnitude of −1.46, Sirius is the brightest star in the night sky, almost twice as bright as the second-brightest star, Canopus. From Earth , Sirius always appears dimmer than Jupiter and Venus , and at certain times also dimmer than Mercury and Mars . [73]
For a list of the brightest stars seen from Earth, see the list of brightest stars. There are three stars with over 1 million L☉ and visible to the naked eye: WR 22, WR 24 and Eta Carinae. All of these stars are located in the Carina nebula . Measurement.
Star NameBolometric Luminosity ( L☉, Sun = 1)Absolute Bolometric MagnitudeApprox. Distance From Earth ( Ly )V4650 Sagittarii (in Quintuplet cluster ...7,943,000-12.525,000BAT99-98 (in Tarantula Nebula of LMC )5,012,000-12.01165,000G0.238-0.071 (in Galactic Center )5,012,000-12.0126,000[BMS2003] 867 A (in NGC 604 of Triangulum ...4,932,000-122,700,0002022年11月24日 · Capella. Rigel. Procyon. Betelgeuse. Altair. How to find stars. Bibliography. In busy cities, you may only be able to see the brightest stars against light pollution, even on a clear night....
2024年2月2日 · 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...