10 Interesting Facts about Alpha Centauri star system

Astronomy Science ~ Researchers have announced that they discovered a planet orbiting our nearest neighbors, in the Alpha Centauri star sys...

Astronomy Science ~ Researchers have announced that they discovered a planet orbiting our nearest neighbors, in the Alpha Centauri star system. Precisely Alpha Centauri B.

This planet is called Alpha Centauri B and too close to its sun to have liquid water on the surface that can not be inhabited by humans. But, the researchers think it is likely that this star system still contains another planet, maybe a super-sized Earth-like planets in the star's habitable zone '.

Interesting is not it? Let us look at some facts related to the Alpha Centauri star system.

1. Alpha Centauri (α Cen / α Centauri); (Also known as Rigil Kentaurus, Rigil Kent, or Toliman). Although it looks like one point be seen with the naked eye, this star is actually a system of three stars. This system is populated by Alpha Centauri A (α Cen A), Alpha Centauri B (α Cen B) and Proxima Centauri (α Cen C or Alpha Centauri C). Star system Alpha Centauri is 4.37 light years from the sun.

2. The star system Alpha Centauri is the third brightest star in the night sky as seen from Earth and the brightest star in the constellation Centaurus.

Stars in this image is Alpha Centauri A (left) and Alpha Centauri B / Beta Centauri (right). Faint star in the red circle is Proxima Centauri (Alpha Centauri C)
3. At the center of this system there are two sun-like star orbiting each other (Alpha Centauri A and Alpha Centauri B). Sunset of a planet orbiting a double star system may be similar to that seen like on the planet Tatooine in Star Wars.

4. A third star, known as Proxima Centauri, orbiting two stars in the center of (Alpha Centauri A and Alpha Centauri B) from outside of their star system. The researchers think that Proxima Centauri Centauri system interacts with the rest, but they also are not sure.

Comparison of the size of the sun with the stars in the Alpha Centauri system
5. To compare it with our solar system, Proxima Centauri orbits the star at the center of the system (Alpha Centauri A and Alpha Centauri B) 400 times farther from the Sun-Neptune distance.

6. Proxima Centauri is actually the closest star to our sun, is about 4.24 light years from the sun.

7. The stars are twins in this system (Alpha Centauri A and Alpha Centauri B) mutually orbit each other every 80 years. During that time, the distance between them is varied, ranging from the distance between Saturn and the Sun to Pluto and the Sun distance.

8. The stars in the Alpha Centauri system is so close to us that the researchers were able to see Alpha Centauri B sends solar flares (solar flares) into space.

9. Researchers think that Alpha Centauri A and B formed about 4.85 billion years ago. Around 250 million years older than the sun.

10. A planet was found orbiting the star Alpha Centauri B in 2012. The planet was named Alpha Centauri Bb. This planet is the planet closest to Earth ever found outside the solar system, located about 6 million km from its star, with a 3.2-day orbit. The surface temperature of 1200 ° C (~ 1500 K). For comparison, the surface temperature of Venus, which is the hottest planet in the solar system, is 462 ° C (735 K). Read: Characteristics of a New Planet Alpha Centauri Bb
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Astronomy Science: 10 Interesting Facts about Alpha Centauri star system
10 Interesting Facts about Alpha Centauri star system
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