Top 10 brightest stars in the night Sky
Here is the list of the top 10 brightest stars in the night sky in reverse order of brightness, including their luminosity, mass, and distance from Earth:
10. Achernar (Alpha Eridani)
- Brightness: 0.46 magnitude
- Luminosity: ~3,150 times the Sun
- Mass: ~6.7 solar masses
- Distance: ~139 light-years
Achernar is the brightest star in the constellation Eridanus. It is a blue main-sequence star with an extremely rapid rotation, causing it to have an oblate shape.
9. Betelgeuse (Alpha Orionis)
- Brightness: 0.45 magnitude (variable)
- Luminosity: ~90,000 - 150,000 times the Sun
- Mass: ~11-20 solar masses
- Distance: ~700 light-years
Betelgeuse is a red supergiant star in the constellation Orion. It is one of the largest known stars and has variable brightness.
8. Procyon (Alpha Canis Minoris)
- Brightness: 0.38 magnitude
- Luminosity: ~7 times the Sun
- Mass: ~1.5 solar masses
- Distance: ~11.46 light-years
Procyon is the brightest star in the constellation Canis Minor. It is a binary star system consisting of a white main-sequence star and a faint white dwarf companion.
7. Rigel (Beta Orionis)
- Brightness: 0.18 magnitude
- Luminosity: ~120,000 times the Sun
- Mass: ~23 solar masses
- Distance: ~860 light-years
Rigel is a blue supergiant star in the constellation Orion. It is a multiple star system, with the primary star being a blue supergiant and several fainter companions.
6. Capella (Alpha Aurigae)
- Brightness: 0.08 magnitude
- Luminosity: ~78 times the Sun (combined)
- Mass: ~2.6 solar masses (Capella Aa), ~2.6 solar masses (Capella Ab)
- Distance: ~42.9 light-years
Capella is the brightest star in the constellation Auriga. It is a quadruple star system, with two bright yellow giant stars (Capella Aa and Capella Ab) in a close binary, orbited by two distant red dwarfs.
5. Vega (Alpha Lyrae)
- Brightness: 0.03 magnitude
- Luminosity: ~40 times the Sun
- Mass: ~2.1 solar masses
- Distance: ~25.04 light-years
Vega is the brightest star in the constellation Lyra. It is a blue-white main-sequence star and was the first star to have its distance measured via parallax.
4. Arcturus (Alpha Boötis)
- Brightness: -0.05 magnitude
- Luminosity: ~170 times the Sun
- Mass: ~1.1 solar masses
- Distance: ~36.7 light-years
Arcturus is the brightest star in the constellation Boötes. It is an orange giant star with a relatively large proper motion, meaning it moves rapidly across the sky compared to other stars.
3. Rigil Kentaurus (Alpha Centauri)
- Brightness: -0.27 magnitude (combined)
- Luminosity: ~1.5 times the Sun (Alpha Centauri A), ~0.5 times the Sun (Alpha Centauri B)
- Mass: ~1.1 solar masses (Alpha Centauri A), ~0.9 solar masses (Alpha Centauri B)
- Distance: ~4.37 light-years
Rigil Kentaurus, also known as Alpha Centauri, is the brightest star system in the constellation Centaurus. It is a triple star system consisting of two Sun-like stars, Alpha Centauri A and Alpha Centauri B, and a red dwarf called Proxima Centauri. Proxima Centauri is the closest known star to the Solar System at a distance of about 4.24 light-years.
2. Canopus (Alpha Carinae)
- Brightness: -0.74 magnitude
- Luminosity: ~10,000 times the Sun
- Mass: ~8-9 solar masses
- Distance: ~310 light-years
Canopus is the brightest star in the constellation Carina. It is a bright white supergiant star and is the second-brightest star in the night sky.
1. Sirius (Alpha Canis Majoris)
- Brightness: -1.46 magnitude
- Luminosity: ~25 times the Sun (Sirius A), ~0.001 times the Sun (Sirius B)
- Mass: ~2.02 solar masses (Sirius A), ~0.98 solar masses (Sirius B)
- Distance: ~8.6 light-years
Sirius, also known as the Dog Star, is the brightest star in the night sky. It is located in the constellation Canis Major. Sirius is a binary star system consisting of a bright white main-sequence star (Sirius A) and a faint white dwarf companion (Sirius B).
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