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Alpha Centauri is the 34th Celestial Body and the 3rd Star obtained in The Beyond Bubble Universe, which can generate Stardust.

In-Game Description[]

"Alpha Centauri is the closest solar system to our own. 4.37 light years from our Sun, it consists of three stars and at least two exoplanets."

Traits[]

Common[]

  • Binary System (Speed):

"When two stars orbit together around a common center of mass, it is called a binary star system. They are often the nuclei of planetary nebula, and can exchange mass with each other to grow past the evolutionary stages of standard single stars."

  • Solar Analog (Payout):

"Solar analogs are stars that are similar in size, shape, composition, and behavior to Earth's sun Sol. By studying these comparable stars, we are able to learn more about Sol. These stars may also provide conditions necessary for extraterrestial life."

Rare[]

  • Solar Winds (Payout):

"A solar wind is a stream of plasma released from the upper atmosphere (also called the corona) of the Sun. Solar winds can escape the Sun's gravity and cause planetary phenomena like geomagnetic storms and auroras."

Epic[]

  • Speed of Light (Speed):

"The speed of light is the rate at which light and all massless particles travel through a vacuum. While it can seen instantaneous from up close, over long distances this speed limit becomes very noticeable. The theory of relativity relates to the speed of light."

  • Cosmic Gravity (Payout):

"Gravity is one of the fundamental forces and key to understanding how the universe works. Using Newton's principles, astronomers can explain how stars and planets form, predict their mass and motion, and infer the existence of dark matter."

  • Goldilocks Zone (Discount):

"The Goldilocks Zone, also called the Habitable Zone, is the region around a star with conditions necessary for a planet that can sustain life. Planets like Earth, with surface water and breathable atmospheres, might be found in these zones in other systems."

System Components[]

Stars[]

The Alpha Centauri star system is made up of three stars (trinary star system), Alpha Centauri A, Alpha Centauri B, and Alpha Centauri C (Proxima Centauri). Of these three, all are present in the game. These are a main-sequence star of spectral type G2V (Alpha Centauri A), main-sequence star of spectral type K1V (Alpha Centauri B), and a small main-sequence red dwarf star of spectral type M5.5Ve (Proxima Centauri).

Planets[]

Alpha Centauri A[]

In 2021, a candidate exoplanet named Candidate 1 (abbreviated as C1) was detected around Alpha Centauri A, thought to orbit at approximately 1.1 AU with a period of about one year, and to have a mass between that of Neptune and one-half that of Saturn, though it may be a dust disk or an artifact. Should this candidate be confirmed at some point, it will probably get the designation "Alpha Centauri Ab".

Alpha Centauri B[]

In 2012, a planet around Alpha Centauri B was reported, Alpha Centauri Bb, but in 2015 a new analysis concluded that that report was an artifact of the data analysis.

A possible transit of a seperate exoplanet in 2013 has been observed. This planet would most likely orbit Alpha Centauri B with an orbital period of 20.4 days or less, with only a 5% chance of it having a longer orbit. The median of the likely orbits is 12.4 days. It likely has lakes of molten lava and would be far too close to Alpha Centauri B to harbour life. Should this candidate be confirmed at some point, it will probably get the designation "Alpha Centauri Bc".

Proxima Centauri (Alpha Centauri C)[]

There are three confirmed exoplanets orbiting our red dwarf star neighbour. These are designated Proxima Centauri b, Proxima Centauri c, and Proxima Centauri d. Proxima Centauri b in this case is a terrestial planet (like Mercury, Venus, Earth & Mars) sitting in the habitable zone of the star. Proxima Centauri c could be a super-Earth or mini-Neptune. It might also have a ring system. Lastly, Proxima Centauri d, is a sub-Earth at least one-quarter of the mass of Earth.

Achievements[]

  • Terminal Trip (Rank 3):

"Although Alpha Centauri is the closest star system to our own, with our current spacecraft technology, it would still take us 50,000 years to journey to this alien star."

  • First Star to the Right (Rank 6):

"Because it is one of the brightest stars in Earth's sky, Alpha Centauri has been featured in many mythologies through the ages. The Ancient Egyptians, Ancient Chinese, and Indigenous Australians all included this star in their legends."

Real Images[]

Sources[]

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