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First Planet Discovered in Alpha Centauri System

Bruce Betts • October 17, 2012 • 12

European astronomers have made the first planetary discovery in the closest-to-Earth Alpha Centauri star system. Here is some information about the discovery, and insights from Yale Astronomer Debra Fischer, who leads another Alpha Centauri planet search partially supported by The Planetary Society.

DPS 2012, Monday: Icy moons and a four-star exoplanet

Emily Lakdawalla • October 15, 2012 • 1

In the first full day of the annual meeting of the Division of Planetary Sciences of the American Astronomical Society, I listened to scientific sessions on icy worlds and on an exoplanet in a four-star system.

Every Planet in the Galaxy!

Mat Kaplan • June 20, 2012 • 2

Okay, just the ones we know about. xkcd does it again.

Planets around Alpha Centauri?

Bruce Betts • April 24, 2012 • 2

Do planets circle our closest stellar neighbors, the system loved by science fiction: Alpha Centauri? We don’t know. But, Debra Fischer, Julien Spronck, and their colleagues at Yale University, in part with Planetary Society support, are trying to find out.

A possible nine-planet system

Emily Lakdawalla • April 06, 2012 • 1

Someone on Twitter pointed me to a paper recently posted to ArXiv titled "Evidence for 9 planets in the HD 10180 system." If the (tentative) conclusion holds up, HD 10180 will be the first exoplanetary system known to have more planets than our own.

Watch this week's Google+ Space Hangout

Emily Lakdawalla • January 19, 2012

This week's lineup is a largely astronomical crowd so most of the conversation concerned dark matter and boiling exoplanets and imaging the black hole at the center of our galaxy.

Bill Nye and people
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