Planets
Until the last decade of the twentieth century, technologies did not exist that could detect planets outside the Solar System.
| Companion |
Mass | Semimajor axis |
Orbital period |
Eccentricity | Radius |
|---|---|---|---|---|---|
| b | 1.13 ± 0.09 M⊕ | 0.04 | 3.2357 ± 0.0008 | — | — |
Read more about this topic: Alpha Centauri
Famous quotes containing the word planets:
“Marriage is the clue to human life, but there is no marriage apart from the wheeling sun and the nodding earth, from the straying of the planets and the magnificence of the fixed stars.”
—D.H. (David Herbert)