alpha centauri

Silly, but interesting interstellar flight

In the spring of 2016 I was at a reception with Freeman Dyson, the brilliant physicist and mathematician, then 92 and emeritus at the Institute for Advanced Study in Princeton, N.J. He never says what…


Neighbors living together

Interest in our neighbouring Alpha Centauri star system has been particularly high since the recent discovery of an Earth-mass planet, known as Proxima b, orbiting the system’s third star — and the closest star to…


One happy (star) family

They’re a happy family after all. The three closest stars to the solar system all revolve around one another, astronomers say, resolving a century-long debate. The nearest of the three, Proxima Centauri, is a red…


Just wait 12 years to look at Alpha Centauri

A very rare gravitational lensing event, set to occur in 2028, has been predicted by a team of French astronomers led by Pierre Kervella of the CNRS/Universidad de Chile. It will provide an ideal opportunity…


Alpha Centauri A+B

Two EPIC MOS images of Alpha Centauri A+B, taken in March 2003 (left) and Feb. 2005 (right). Alpha Centauri is the nearest stellar system consisting of a G2V (A) and a K1V (B) star at…


The Messenger is out

Th Messenger 149 (September?) is available at the ESO site. One of the subjects is the HARPS instrument, responsible for the detection of a planet around Alpha Centauri. You can download it here.