Alpha Centauri - Planets

Planets

Until the last decade of the twentieth century, technologies did not exist that could detect planets outside the Solar System.

The Alpha Centauri B system
Companion
 Mass Semimajor axis
 Orbital period
 Eccentricity Radius
b 1.13 ± 0.09 M⊕ 0.04 3.2357 ± 0.0008 — —

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Famous quotes containing the word planets:

    “Perhaps when distant people on other planets pick up some wave-length of ours all they hear is a continuous scream.”
    —Iris Murdoch (b. 1919)