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The minimum mass is estimated at about 1.13 times Earth's mass.

The maximum possible mass is not known.

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Q: How big is Alpha Centauri Bb?
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What is the second star in the alpha centauri star system?

Alpha Centauri, although it appears to the naked eye as a single star, is a binary pair. Together they are designated Alpha Centauri AB, the more massive and luminous in the pair designated Alpha Centauri A, the less massive and luminous Alpha Centauri B. Together, this pair is the third brightest "star" in the night sky. There is a third star probably interacting gravitationally with the pair, Proxima Centauri, also designated Alpha Centauri C, a red dwarf which is not visible to the naked eye but is the next closest star to our Sun. Alpha Centauri B has about 90% of the mass of our Sun and is about 45% as bright. Note that Alpha Centauri B is not the "second" star (second brightest) in the constellation Centaurus: that is Beta Centauri, which is itself a trinary star system.


What part of life is the star alpha centari in?

"Alpha Centauri", or "Toliman", is not a single star - it's a system of three stars.


What is farther from Earth Alpha centauri or the sun?

That's actually an easy calculation, if you state the problem correctly. Alpha Centauri is about 4.5 light years away. There are 60 seconds in a minute, 60 minutes in an hour, 24 hours in a day, and 365.24 days in a year. Multiply all those numbers together to find out how many light-seconds it is to Alpha Centauri. The Moon is about 1.5 light seconds away, so divide by that to get the ratio.


How do you run Sid Meier's Alpha Centauri on XP?

You have to do a small variation in a ".ini" file to make it work. You only have to change a "0" for a "1". Go to the official page of sid meiers alpha centauri and there you will found the exact procedure to do it.


Which star out of barnard's star procyon alpha centauri and rigel have the greatest luminosity?

Rigel by far.

Related questions

How big is the alpha centauri?

Alpha Centauri has a mass of 1.1 solar masses.


How many Satellites does Alpha Centauri have?

Alpha Centauri is a star, it cannot have satellites. Satellites orbit planets.


What are the 3 nearest stars to OUR sun?

Proxima Centauri Alpha Centauri A Alpha Centauri B


What is the magnitude of alpha centauri a?

Alpha Centauri A has an apparent magnitude of -0.01


What does the double star Alpha Centauri A and Alpha Centauri B form with Proxima Centauri?

A star system


How long does it take Alpha Centauri to orbit the sun?

Alpha Centauri does not orbit the sun.


Does Alpha Centauri and Proxima Centauri revolve around each other?

No, Proxima Centauri and Alpha Centauri do not revolve around each other.


One of its kind is Alpha centauri?

Alpha Centauri is a multiple-star system.


When did Operation Alpha Centauri happen?

Operation Alpha Centauri happened in 1986.


Virgo is the nearest star system to ours?

Alpha Centauri is the nearest star system. Its a binary star system of Alpha Centauri A and Alpha Centauri B. If someone asks you what is the nearest star ? then the answer will be "proxima centauri" in my opinion. nearest star: proxima centauri nearest star system: Alpha centauri A and B. Some people believe that its a triple star system of Prixma, Alpha A and Alpha B. centauri.


How many years pass before light from Alpha Centauri reaches earth?

Alpha Centauri is a triple star system. Alpha Centauri A, B & C or Proxima Centauri. Alpha Centauri A & B are 4.37 light years from the Earth whereas Alpha Centauri C is 4.243 light years.


In which constellation is alpha centauri?

Alpha Centauri is the brightest star in the Centaurus constellation, the "Centaur".